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Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 125 (from laksa197)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa125.int.ahrefs:8124/' \
  -H 'Content-Type: text/plain' \
  -H 'X-ClickHouse-Database: crawler3' \
  -H 'Authorization: Basic YXBpOg==' \
  -d 'SELECT getAhrefsURLFromUnparsed(src_unparsed) AS found_url, ifNull(toUnixTimestamp(download_stamp), 0) AS crawl_time, ifNull(toUnixTimestamp(props_url_first_seen), 0) AS first_indexed_time, download_http_code AS http_code, src_unparsed AS src_unparsed, src_root_hash AS src_root_hash, history_drop_reason AS history_drop_reason, meta_title AS meta_title, meta_descriptions AS meta_descriptions, attrs_boilerpipe_text AS attrs_boilerpipe_text, attrs_markdown AS attrs_markdown, attrs_readable_markdown AS attrs_readable_markdown, meta_canonical AS meta_canonical FROM crawler3.page_info_local FINAL PREWHERE (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://teachbesideme.com/apple-science/\')), getAhrefsUnparsedNoserviceFromURL(\'https://teachbesideme.com/apple-science/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/teachbesideme.com\/apple-science\/","crawl_time":1775519586,"first_indexed_time":1504210662,"http_code":200,"src_unparsed":"com,teachbesideme!\/apple-science\/ s443","src_root_hash":"12325436978498791525","history_drop_reason":null,"meta_title":"Apple Science Experiment: Prevent Browning - Teach Beside Me","meta_descriptions":["Try this apple science experiment to see what helps prevent apples from browning. Let you kids guess which will work best and see if they are right!"],"attrs_boilerpipe_text":"This post may contain affiliate links.\nMy kids love eating apples, but they really don’t love it when they turn brown. We decided to try a fun apple science experiment so they could learn what keeps apples from browning. (See 200+ more\nSTEM projects\nfor kids)\nWe first talked about why apple brown and discussed the comparison with rusting (oxidation). It is a chemical reaction with the oxygen and an enzyme in the apples. This helped the kids understand why it happened.\nSee Also: \nApple Volcano Experiment into Baked Apples- Autumn Science\nHow to Do the Apple Experiment:\nTo do this apple science experiment, you’ll just need a few items: an apple, a knife, a few bowls, and various edible liquids.\nI already knew the answer to this apple oxidation experiment, but I didn’t want to let my kids know about it. I let them choose various substances and liquids from the kitchen to soak the apples in. I did make a suggestion of lemon juice, but let them choose the other things.\nThe kids chose vinegar, milk and\nbaking soda\n. Another good one to try is salt water. Just to give them a comparison, I left one with nothing  on it (the control variable).  You could also use plain water as the variable.\nWe sliced the apples and put the slices into each substance to soak. Label them so you remember which one is which. We left the apple slices soaking for about an hour.\nLet kids make their own hypothesis about which one will work best.  They were excited to see the results.  Their guesses were not correct…  Check out my\nScientific Method printables\nto help you teach this!\nWhile some liquids might work better than others, taste is important, as well. If you soaked apples in salt water, they would not taste nearly as good!\nHow to Keep Apples from Turning Brown\nI then explained to them that lemon juice helps keep the apple from browning, because it is full of\nascorbic acid\n(Vitamin C) and it has a low pH level.  Ascorbic acid works because oxygen will react with it before it will react with the enzymes in the apple.  Once the ascorbic acid gets used up, the oxygen will start reacting with the enzymes in the apple  (polyphenol oxidase) and browning will occur.  Did you know why apples turn brown?\nDOWNLOAD the free printable apple browning experiment worksheet now!\nWant more simple science experiments? Check out this big list of\nSimple Science Experiments for Kids\n!\nAlso, a little more on Oxidation with this\nRust Experiment\n!\nA Few More Apple Learning Ideas:\nA magnetic science activity to go along with the book\n10 Apples Up on Top\nPi Day with Apple Pie\nApple Volcano Experiment into Baked Apples- Autumn Science\nPrintable Apple Activity Book\nPrintable Johnny Appleseed Story for Kids\nExtend the Learning with Some Apple Books:\nHow do Apples Grow?\nby Betsy Maestro\nApples\nby Gail Gibbons\nThe Season’s of Arnold’s Apple Tree\nby Gail Gibbons\nApples, Apples Everywhere\nby Robin Koontz\nApple Farmer Annie\nby Monica Wellington\nApples, Apples, Apples\nby Nancy Elizabeth Wallace\nKaryn Tripp\nFormer school teacher turned homeschool mom of 4 kids.  Loves creating awesome hands-on creative learning ideas to make learning engaging and memorable for all kids!","attrs_markdown":"![](data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==)\n\n[Skip to content](https:\/\/teachbesideme.com\/apple-science\/#main)\n\n[![Teach Beside Me](data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==)](https:\/\/teachbesideme.com\/)\n\n- [Home](https:\/\/teachbesideme.com\/)\n- [About Me](https:\/\/teachbesideme.com\/about-me\/)\n- [Shop](https:\/\/teachbesideme.com\/shop\/)\n  - [Cart](https:\/\/teachbesideme.com\/cart\/)\n  - [Printables Membership](http:\/\/members.teachbesideme.com\/)\n  - [My Science Book](https:\/\/teachbesideme.com\/science-art-and-drawing-games-for-kids\/)\n  - [My Math Book](https:\/\/teachbesideme.com\/math-art-and-drawing-games-for-kids\/)\n- [Creative Ideas](https:\/\/teachbesideme.com\/category\/hands-on-learning\/)\n  - [Art & Music](https:\/\/teachbesideme.com\/category\/art\/)\n  - [Family Life](https:\/\/teachbesideme.com\/category\/family\/)\n  - [History](https:\/\/teachbesideme.com\/category\/history\/)\n    - [Geography](https:\/\/teachbesideme.com\/category\/geography\/)\n  - [Holidays](https:\/\/teachbesideme.com\/category\/holidays\/)\n  - [Homeschooling](https:\/\/teachbesideme.com\/category\/homeschooling\/)\n  - [Language Arts](https:\/\/teachbesideme.com\/category\/language-arts\/)\n  - [Math](https:\/\/teachbesideme.com\/category\/math\/)\n  - [Preschool](https:\/\/teachbesideme.com\/category\/preschool\/)\n  - [Science](https:\/\/teachbesideme.com\/category\/science\/)\n\n[![Teach Beside Me](data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==)](https:\/\/teachbesideme.com\/)\n\n[Home](https:\/\/teachbesideme.com\/) \/ [Health\/Nutrition](https:\/\/teachbesideme.com\/category\/healthnutrition\/) \/ Apple Science Experiment: Prevent Browning\n\n[Hands-On Learning](https:\/\/teachbesideme.com\/category\/hands-on-learning\/) \\| [Health\/Nutrition](https:\/\/teachbesideme.com\/category\/healthnutrition\/) \\| [Life Skills](https:\/\/teachbesideme.com\/category\/life-skills\/) \\| [Printables](https:\/\/teachbesideme.com\/category\/printables\/) \\| [Science](https:\/\/teachbesideme.com\/category\/science\/) \\| [Sensory](https:\/\/teachbesideme.com\/category\/sensory-activity\/)\n\n# Apple Science Experiment: Prevent Browning\n\n*This post may contain affiliate links.*\n\n- [Share](https:\/\/www.facebook.com\/sharer\/sharer.php?u=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F%3Futm_source%3Dfacebook%26utm_medium%3Dsocial%26utm_campaign%3Dsocial-pug&t=Apple%20Science%20Experiment%3A%20Prevent%20Browning \"Share on Facebook\")\n- [Tweet](https:\/\/x.com\/intent\/tweet?text=Apple%20Science%20Experiment%3A%20Prevent%20Browning&url=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F%3Futm_source%3Dtwitter%26utm_medium%3Dsocial%26utm_campaign%3Dsocial-pug&via=teachbesideme \"Share on X\")\n- Pin\n\n![](data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==)\n\nMy kids love eating apples, but they really don’t love it when they turn brown. We decided to try a fun apple science experiment so they could learn what keeps apples from browning. (See 200+ more [STEM projects](https:\/\/teachbesideme.com\/elementary-stem-projects\/) for kids)\n\n![Apple Science](data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==)\n\nWe first talked about why apple brown and discussed the comparison with rusting (oxidation). It is a chemical reaction with the oxygen and an enzyme in the apples. This helped the kids understand why it happened.\n\n**See Also: [Apple Volcano Experiment into Baked Apples- Autumn Science](https:\/\/teachbesideme.com\/apple-volcano-experiment-into-baked-apples-autumn-science\/)**\n\n## How to Do the Apple Experiment:\nTo do this apple science experiment, you’ll just need a few items: an apple, a knife, a few bowls, and various edible liquids.\n\nI already knew the answer to this apple oxidation experiment, but I didn’t want to let my kids know about it. I let them choose various substances and liquids from the kitchen to soak the apples in. I did make a suggestion of lemon juice, but let them choose the other things.\n\n![apple science experiment](data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==)\n\nThe kids chose vinegar, milk and [baking soda](http:\/\/amzn.to\/1RGEnjW). Another good one to try is salt water. Just to give them a comparison, I left one with nothing on it (the control variable). You could also use plain water as the variable.\n\nWe sliced the apples and put the slices into each substance to soak. Label them so you remember which one is which. We left the apple slices soaking for about an hour.\n\nLet kids make their own hypothesis about which one will work best. They were excited to see the results. Their guesses were not correct… Check out my [Scientific Method printables](https:\/\/teachbesideme.com\/scientific-method-worksheets-and-posters\/) to help you teach this\\!\n\n![Apple browning experiment](data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==)\n\nWhile some liquids might work better than others, taste is important, as well. If you soaked apples in salt water, they would not taste nearly as good\\!\n\n## How to Keep Apples from Turning Brown\nI then explained to them that lemon juice helps keep the apple from browning, because it is full of [ascorbic acid](http:\/\/amzn.to\/1SCQGud) (Vitamin C) and it has a low pH level. Ascorbic acid works because oxygen will react with it before it will react with the enzymes in the apple. Once the ascorbic acid gets used up, the oxygen will start reacting with the enzymes in the apple (polyphenol oxidase) and browning will occur. Did you know why apples turn brown?\n\n![Apple Science printable worksheet](data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==)\n\n**DOWNLOAD the free printable apple browning experiment worksheet now\\!**\n\n![science-experiments-for-kids STEM](data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==)\n\nWant more simple science experiments? Check out this big list of [Simple Science Experiments for Kids](https:\/\/teachbesideme.com\/simple-science-experiments-kids\/)\\!\n\nAlso, a little more on Oxidation with this [Rust Experiment](https:\/\/teachbesideme.com\/oxidation-rust-experiment\/)\\!\n\n![oxidation experiment](data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==)\n\n## A Few More Apple Learning Ideas:\nA magnetic science activity to go along with the book [10 Apples Up on Top](https:\/\/teachbesideme.com\/stacking-levitating-magnets\/)\n\n[Pi Day with Apple Pie](https:\/\/teachbesideme.com\/pi-day-apple-pie\/)\n\n[Apple Volcano Experiment into Baked Apples- Autumn Science](https:\/\/teachbesideme.com\/apple-volcano-experiment-into-baked-apples-autumn-science\/)\n\n[Printable Apple Activity Book](https:\/\/teachbesideme.com\/printable-apple-activity-book\/)\n\n[Printable Johnny Appleseed Story for Kids](https:\/\/teachbesideme.com\/printable-johnny-appleseed-story-for-kids\/)\n\n## Extend the Learning with Some Apple Books:\n![Apple books for kids](data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==)\n\n[How do Apples Grow?](http:\/\/amzn.to\/2xfAPCF) by Betsy Maestro\n\n[Apples](http:\/\/amzn.to\/2gOSHND) by Gail Gibbons\n\n[The Season’s of Arnold’s Apple Tree](http:\/\/amzn.to\/2j8ZF0T) by Gail Gibbons\n\n[Apples, Apples Everywhere](http:\/\/amzn.to\/2ePKAQz) by Robin Koontz\n\n[Apple Farmer Annie](http:\/\/amzn.to\/2wddr3B) by Monica Wellington\n\n[Apples, Apples, Apples](http:\/\/amzn.to\/2f8jUY6) by Nancy Elizabeth Wallace\n\nSaveSaveSaveSaveSaveSave\n\n![](data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==)\n\n**[Karyn Tripp](https:\/\/teachbesideme.com\/author\/karyntripp\/ \"Posts by Karyn Tripp\")**\n\nFormer school teacher turned homeschool mom of 4 kids. Loves creating awesome hands-on creative learning ideas to make learning engaging and memorable for all kids\\!\n\n## Post navigation\n[PreviousSafe Cracker Math Game: A Fun Number Logic Challenge for Kids](https:\/\/teachbesideme.com\/safe-cracker-printable-math-game\/)\n\n[NextOvercoming Common Homeschooling Fears: What I Wish I Knew](https:\/\/teachbesideme.com\/homeschooling-fears-of-starting-out\/)\n\n## Similar Posts\n- [![st. 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Pinning this one\\!\n   \n   [Log in to Reply](https:\/\/teachbesideme.com\/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F)\n   1. ![](data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) **Alexis** says:\n      \n      [January 23, 2017 at 6:08 pm](https:\/\/teachbesideme.com\/apple-science\/#comment-379132)\n      \n      I wonder what the variables are\n      \n      [Log in to Reply](https:\/\/teachbesideme.com\/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F)\n      1. ![](data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) **luke** says:\n         \n         [January 25, 2017 at 11:27 am](https:\/\/teachbesideme.com\/apple-science\/#comment-379267)\n         \n         the dependant variable is how much the apples browned and the independent variable is the liquid used\n         \n         [Log in to Reply](https:\/\/teachbesideme.com\/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F)\n         1. ![](data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) **Indy** says:\n            \n            [February 28, 2019 at 10:10 am](https:\/\/teachbesideme.com\/apple-science\/#comment-469793)\n            \n            I hear you but then i still have a question, if you were to record in on a table or a graph for that matter, how would you measure how much it has browned? By sized? Because i am stuck now\n            \n            [Log in to Reply](https:\/\/teachbesideme.com\/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F)\n            1. ![](data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) **[C Johnson](http:\/\/bbg.org\/)** says:\n               \n               [May 26, 2020 at 1:15 pm](https:\/\/teachbesideme.com\/apple-science\/#comment-599098)\n               \n               This version of the experiment seems to generate a simple yes or no result as opposed to a measurable DV. If you need to quantify the dependent variable, perhaps try identifying quadrants on each apple slice and discussing the amount of browning as percentages? Or… maybe counting spots? I wonder if it might even be fruitful (pun intended) to look at the time it takes each liquid of independent variable to brown. No browning would be ‘n\/a.’ You might even compare acidic (vinegar) vs. alkaline (baking soda).\n2. Pingback: [10 Apple Themed Learning Activities](http:\/\/igamemom.com\/2014\/09\/02\/10-apple-themed-learning-activities\/)\n3. ![](data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) **[Rachel](http:\/\/www.creativehomemaking.com\/)** says:\n   \n   [October 25, 2014 at 7:51 pm](https:\/\/teachbesideme.com\/apple-science\/#comment-239409)\n   \n   Great science experiment! Can’t wait to try it with my kids.\n   \n   [Log in to Reply](https:\/\/teachbesideme.com\/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F)\n4. ![](data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) **[The Little Tourist](http:\/\/www.thelittletourist.com\/get-creative)** says:\n   \n   [April 9, 2015 at 4:09 pm](https:\/\/teachbesideme.com\/apple-science\/#comment-304560)\n   \n   This is such a great idea! My children LoVe apples. Doing an experiment with them makes total sense\\!  \n    Thanks for sharing 😉\n   \n   [Log in to Reply](https:\/\/teachbesideme.com\/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F)\n   1. ![](data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) **[Karyn Tripp](https:\/\/teachbesideme.com\/)** says:\n      \n      [April 15, 2015 at 3:09 pm](https:\/\/teachbesideme.com\/apple-science\/#comment-305628)\n      \n      Thanks! Glad you like it! 🙂\n      \n      [Log in to Reply](https:\/\/teachbesideme.com\/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F)\n5. ![](data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) **m** says:\n   \n   [April 18, 2015 at 9:08 pm](https:\/\/teachbesideme.com\/apple-science\/#comment-306125)\n   \n   A tiny bit of honey also prevents browning. Like a drizzle and then shake to coat. Doesn’t work as long as lemon juice but also isn’t as tart.\n   \n   [Log in to Reply](https:\/\/teachbesideme.com\/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F)\n6. ![](data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) **JeanAnn** says:\n   \n   [August 9, 2015 at 1:44 am](https:\/\/teachbesideme.com\/apple-science\/#comment-325080)\n   \n   use salt water also can prevent apple becoming browning\\!\n   \n   [Log in to Reply](https:\/\/teachbesideme.com\/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F)\n7. ![](data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) **Jayden Burris** says:\n   \n   [October 5, 2015 at 9:33 am](https:\/\/teachbesideme.com\/apple-science\/#comment-334011)\n   \n   What is the Variables like control, independent, and dependent, causes of this project.\n   \n   [Log in to Reply](https:\/\/teachbesideme.com\/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F)\n8. ![](data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) **[Asheli Godfrey](http:\/\/www.imnotatree.blogspot.com\/)** says:\n   \n   [June 5, 2016 at 5:07 pm](https:\/\/teachbesideme.com\/apple-science\/#comment-362774)\n   \n   Definitely going to be doing this for our picnic theme! Great idea\n   \n   [Log in to Reply](https:\/\/teachbesideme.com\/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F)\n9. ![](data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) **Tami Lucas** says:\n   \n   [October 15, 2016 at 2:12 pm](https:\/\/teachbesideme.com\/apple-science\/#comment-370493)\n   \n   I use apple juice to keep apple slices from turning brown. It will even reverse light browning.\n   \n   [Log in to Reply](https:\/\/teachbesideme.com\/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F)\n10. ![](data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) **C McWher** says:\n    \n    [November 12, 2016 at 8:18 pm](https:\/\/teachbesideme.com\/apple-science\/#comment-372664)\n    \n    I will be doing this experiment with my daughter soon. I have always soaked apples in pineapple juice to prevent browning, and look forward to seeing how it compares to lemon juice\\!\n    \n    [Log in to Reply](https:\/\/teachbesideme.com\/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F)\n11. ![](data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) **luke** says:\n    \n    [January 25, 2017 at 11:31 am](https:\/\/teachbesideme.com\/apple-science\/#comment-379268)\n    \n    also you could use a temporary vacuum chamber by taking a plastic bag and putting the apple inside of it . put the bag in to a bucket of water with the bag partially opened. the water pressure on the bag will force the air out of the bag and temporarily vacuum seal the bag. hope this helps 🙂\n    \n    [Log in to Reply](https:\/\/teachbesideme.com\/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F)\n12. ![](data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) **person** says:\n    \n    [October 27, 2017 at 8:16 am](https:\/\/teachbesideme.com\/apple-science\/#comment-404613)\n    \n    can you please provide a list of procedures\n    \n    [Log in to Reply](https:\/\/teachbesideme.com\/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F)\n13. ![](data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) **Jordan Rawls** says:\n    \n    [November 11, 2019 at 9:23 am](https:\/\/teachbesideme.com\/apple-science\/#comment-522209)\n    \n    What common core standard would go with this science experiment?\n    \n    [Log in to Reply](https:\/\/teachbesideme.com\/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F)\n\n### Leave a Reply [Cancel reply](https:\/\/teachbesideme.com\/apple-science\/#respond)\nYou must be [logged in](https:\/\/teachbesideme.com\/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F) to post a comment.\n\n![](data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==)\n\n### Meet Karyn\nHey there! My name is Karyn. I am a homeschooling mom of 4 kids and former public school teacher. I am passionate about education, especially finding ways to make learning engaging and creative. Look around, stay a while. I hope you find valuable resources to help you on your education journey\\!\n\n[About Karyn](https:\/\/teachbesideme.com\/about-me\/)\n\n[Terms of service](https:\/\/teachbesideme.com\/terms-of-service\/) . [Privacy Policy](https:\/\/teachbesideme.com\/privacy-policy\/). [Disclaimer](https:\/\/teachbesideme.com\/disclaimer\/) .\n\n© 2026 Teach Beside Me • WordPress Theme by [Restored 316](https:\/\/restored316designs.com\/)\n\n- [Home](https:\/\/teachbesideme.com\/)\n- [About Me](https:\/\/teachbesideme.com\/about-me\/)\n- [Shop](https:\/\/teachbesideme.com\/shop\/)\n  \n  Toggle child menu\n  - [Cart](https:\/\/teachbesideme.com\/cart\/)\n  - [Printables Membership](http:\/\/members.teachbesideme.com\/)\n  - [My Science Book](https:\/\/teachbesideme.com\/science-art-and-drawing-games-for-kids\/)\n  - [My Math Book](https:\/\/teachbesideme.com\/math-art-and-drawing-games-for-kids\/)\n- [Creative Ideas](https:\/\/teachbesideme.com\/category\/hands-on-learning\/)\n  \n  Toggle child menu\n  - [Art & Music](https:\/\/teachbesideme.com\/category\/art\/)\n  - [Family Life](https:\/\/teachbesideme.com\/category\/family\/)\n  - [History](https:\/\/teachbesideme.com\/category\/history\/)\n    \n    Toggle child menu\n    - [Geography](https:\/\/teachbesideme.com\/category\/geography\/)\n  - [Holidays](https:\/\/teachbesideme.com\/category\/holidays\/)\n  - [Homeschooling](https:\/\/teachbesideme.com\/category\/homeschooling\/)\n  - [Language Arts](https:\/\/teachbesideme.com\/category\/language-arts\/)\n  - [Math](https:\/\/teachbesideme.com\/category\/math\/)\n  - [Preschool](https:\/\/teachbesideme.com\/category\/preschool\/)\n  - [Science](https:\/\/teachbesideme.com\/category\/science\/)\n\nWe use cookies to ensure that we give you the best experience on our website. If you continue to use this site we will assume that you are happy with it.\n\nOk","attrs_readable_markdown":"*This post may contain affiliate links.*\n\nMy kids love eating apples, but they really don’t love it when they turn brown. We decided to try a fun apple science experiment so they could learn what keeps apples from browning. (See 200+ more [STEM projects](https:\/\/teachbesideme.com\/elementary-stem-projects\/) for kids)\n\n![Apple Science](https:\/\/teachbesideme.com\/wp-content\/uploads\/2014\/02\/Apple-Science-729x1024.jpg)\n\nWe first talked about why apple brown and discussed the comparison with rusting (oxidation). It is a chemical reaction with the oxygen and an enzyme in the apples. This helped the kids understand why it happened.\n\n**See Also: [Apple Volcano Experiment into Baked Apples- Autumn Science](https:\/\/teachbesideme.com\/apple-volcano-experiment-into-baked-apples-autumn-science\/)**\n\n## How to Do the Apple Experiment:\nTo do this apple science experiment, you’ll just need a few items: an apple, a knife, a few bowls, and various edible liquids.\n\nI already knew the answer to this apple oxidation experiment, but I didn’t want to let my kids know about it. I let them choose various substances and liquids from the kitchen to soak the apples in. I did make a suggestion of lemon juice, but let them choose the other things.\n\n![apple science experiment](https:\/\/teachbesideme.com\/wp-content\/uploads\/2014\/02\/apple-science-experiment-1024x768.jpg)\n\nThe kids chose vinegar, milk and [baking soda](http:\/\/amzn.to\/1RGEnjW). Another good one to try is salt water. Just to give them a comparison, I left one with nothing on it (the control variable). You could also use plain water as the variable.\n\nWe sliced the apples and put the slices into each substance to soak. Label them so you remember which one is which. We left the apple slices soaking for about an hour.\n\nLet kids make their own hypothesis about which one will work best. They were excited to see the results. Their guesses were not correct… Check out my [Scientific Method printables](https:\/\/teachbesideme.com\/scientific-method-worksheets-and-posters\/) to help you teach this\\!\n\n![Apple browning experiment](https:\/\/teachbesideme.com\/wp-content\/uploads\/2014\/02\/apple-browning-experiment-1024x768.jpg)\n\nWhile some liquids might work better than others, taste is important, as well. If you soaked apples in salt water, they would not taste nearly as good\\!\n\n## How to Keep Apples from Turning Brown\nI then explained to them that lemon juice helps keep the apple from browning, because it is full of [ascorbic acid](http:\/\/amzn.to\/1SCQGud) (Vitamin C) and it has a low pH level. Ascorbic acid works because oxygen will react with it before it will react with the enzymes in the apple. Once the ascorbic acid gets used up, the oxygen will start reacting with the enzymes in the apple (polyphenol oxidase) and browning will occur. Did you know why apples turn brown?\n\n![Apple Science printable worksheet](https:\/\/teachbesideme.com\/wp-content\/uploads\/2014\/02\/Screen-Shot-2016-03-09-at-11.03.05-AM.png)\n\n**DOWNLOAD the free printable apple browning experiment worksheet now\\!**\n\n![science-experiments-for-kids STEM](https:\/\/teachbesideme.com\/wp-content\/uploads\/2014\/02\/science-experiments-for-kids-1024x1024-1-400x400.png)\n\nWant more simple science experiments? Check out this big list of [Simple Science Experiments for Kids](https:\/\/teachbesideme.com\/simple-science-experiments-kids\/)\\!\n\nAlso, a little more on Oxidation with this [Rust Experiment](https:\/\/teachbesideme.com\/oxidation-rust-experiment\/)\\!\n\n![oxidation experiment](https:\/\/teachbesideme.com\/wp-content\/uploads\/2017\/01\/oxidation-experiment-Does-it-rust--400x400.jpg)\n\n## A Few More Apple Learning Ideas:\nA magnetic science activity to go along with the book [10 Apples Up on Top](https:\/\/teachbesideme.com\/stacking-levitating-magnets\/)\n\n[Pi Day with Apple Pie](https:\/\/teachbesideme.com\/pi-day-apple-pie\/)\n\n[Apple Volcano Experiment into Baked Apples- Autumn Science](https:\/\/teachbesideme.com\/apple-volcano-experiment-into-baked-apples-autumn-science\/)\n\n[Printable Apple Activity Book](https:\/\/teachbesideme.com\/printable-apple-activity-book\/)\n\n[Printable Johnny Appleseed Story for Kids](https:\/\/teachbesideme.com\/printable-johnny-appleseed-story-for-kids\/)\n\n## Extend the Learning with Some Apple Books:\n![Apple books for kids](https:\/\/teachbesideme.com\/wp-content\/uploads\/2014\/02\/Apple-books-for-kids-807x1024.jpg)\n\n[How do Apples Grow?](http:\/\/amzn.to\/2xfAPCF) by Betsy Maestro\n\n[Apples](http:\/\/amzn.to\/2gOSHND) by Gail Gibbons\n\n[The Season’s of Arnold’s Apple Tree](http:\/\/amzn.to\/2j8ZF0T) by Gail Gibbons\n\n[Apples, Apples Everywhere](http:\/\/amzn.to\/2ePKAQz) by Robin Koontz\n\n[Apple Farmer Annie](http:\/\/amzn.to\/2wddr3B) by Monica Wellington\n\n[Apples, Apples, Apples](http:\/\/amzn.to\/2f8jUY6) by Nancy Elizabeth Wallace\n\n![](data:image\/gif;base64,R0lGODlhAQABAIAAAP\/\/\/wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==)\n\n**[Karyn Tripp](https:\/\/teachbesideme.com\/author\/karyntripp\/ \"Posts by Karyn Tripp\")**\n\nFormer school teacher turned homeschool mom of 4 kids. Loves creating awesome hands-on creative learning ideas to make learning engaging and memorable for all kids\\!","meta_canonical":null}

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Meta Description	Try this apple science experiment to see what helps prevent apples from browning. Let you kids guess which will work best and see if they are right!
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Boilerpipe Text	This post may contain affiliate links. My kids love eating apples, but they really don’t love it when they turn brown. We decided to try a fun apple science experiment so they could learn what keeps apples from browning. (See 200+ more STEM projects for kids) We first talked about why apple brown and discussed the comparison with rusting (oxidation). It is a chemical reaction with the oxygen and an enzyme in the apples. This helped the kids understand why it happened. See Also: Apple Volcano Experiment into Baked Apples- Autumn Science How to Do the Apple Experiment: To do this apple science experiment, you’ll just need a few items: an apple, a knife, a few bowls, and various edible liquids. I already knew the answer to this apple oxidation experiment, but I didn’t want to let my kids know about it. I let them choose various substances and liquids from the kitchen to soak the apples in. I did make a suggestion of lemon juice, but let them choose the other things. The kids chose vinegar, milk and baking soda . Another good one to try is salt water. Just to give them a comparison, I left one with nothing on it (the control variable). You could also use plain water as the variable. We sliced the apples and put the slices into each substance to soak. Label them so you remember which one is which. We left the apple slices soaking for about an hour. Let kids make their own hypothesis about which one will work best. They were excited to see the results. Their guesses were not correct… Check out my Scientific Method printables to help you teach this! While some liquids might work better than others, taste is important, as well. If you soaked apples in salt water, they would not taste nearly as good! How to Keep Apples from Turning Brown I then explained to them that lemon juice helps keep the apple from browning, because it is full of ascorbic acid (Vitamin C) and it has a low pH level. Ascorbic acid works because oxygen will react with it before it will react with the enzymes in the apple. Once the ascorbic acid gets used up, the oxygen will start reacting with the enzymes in the apple (polyphenol oxidase) and browning will occur. Did you know why apples turn brown? DOWNLOAD the free printable apple browning experiment worksheet now! Want more simple science experiments? Check out this big list of Simple Science Experiments for Kids ! Also, a little more on Oxidation with this Rust Experiment ! A Few More Apple Learning Ideas: A magnetic science activity to go along with the book 10 Apples Up on Top Pi Day with Apple Pie Apple Volcano Experiment into Baked Apples- Autumn Science Printable Apple Activity Book Printable Johnny Appleseed Story for Kids Extend the Learning with Some Apple Books: How do Apples Grow? by Betsy Maestro Apples by Gail Gibbons The Season’s of Arnold’s Apple Tree by Gail Gibbons Apples, Apples Everywhere by Robin Koontz Apple Farmer Annie by Monica Wellington Apples, Apples, Apples by Nancy Elizabeth Wallace Karyn Tripp Former school teacher turned homeschool mom of 4 kids. Loves creating awesome hands-on creative learning ideas to make learning engaging and memorable for all kids!
Markdown	![](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) [Skip to content](https://teachbesideme.com/apple-science/#main) [![Teach Beside Me](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==)](https://teachbesideme.com/) - [Home](https://teachbesideme.com/) - [About Me](https://teachbesideme.com/about-me/) - [Shop](https://teachbesideme.com/shop/) - [Cart](https://teachbesideme.com/cart/) - [Printables Membership](http://members.teachbesideme.com/) - [My Science Book](https://teachbesideme.com/science-art-and-drawing-games-for-kids/) - [My Math Book](https://teachbesideme.com/math-art-and-drawing-games-for-kids/) - [Creative Ideas](https://teachbesideme.com/category/hands-on-learning/) - [Art & Music](https://teachbesideme.com/category/art/) - [Family Life](https://teachbesideme.com/category/family/) - [History](https://teachbesideme.com/category/history/) - [Geography](https://teachbesideme.com/category/geography/) - [Holidays](https://teachbesideme.com/category/holidays/) - [Homeschooling](https://teachbesideme.com/category/homeschooling/) - [Language Arts](https://teachbesideme.com/category/language-arts/) - [Math](https://teachbesideme.com/category/math/) - [Preschool](https://teachbesideme.com/category/preschool/) - [Science](https://teachbesideme.com/category/science/) [![Teach Beside Me](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==)](https://teachbesideme.com/) [Home](https://teachbesideme.com/) / [Health/Nutrition](https://teachbesideme.com/category/healthnutrition/) / Apple Science Experiment: Prevent Browning [Hands-On Learning](https://teachbesideme.com/category/hands-on-learning/) \\| [Health/Nutrition](https://teachbesideme.com/category/healthnutrition/) \\| [Life Skills](https://teachbesideme.com/category/life-skills/) \\| [Printables](https://teachbesideme.com/category/printables/) \\| [Science](https://teachbesideme.com/category/science/) \\| [Sensory](https://teachbesideme.com/category/sensory-activity/) # Apple Science Experiment: Prevent Browning This post may contain affiliate links. - [Share](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F%3Futm_source%3Dfacebook%26utm_medium%3Dsocial%26utm_campaign%3Dsocial-pug&t=Apple%20Science%20Experiment%3A%20Prevent%20Browning "Share on Facebook") - [Tweet](https://x.com/intent/tweet?text=Apple%20Science%20Experiment%3A%20Prevent%20Browning&url=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F%3Futm_source%3Dtwitter%26utm_medium%3Dsocial%26utm_campaign%3Dsocial-pug&via=teachbesideme "Share on X") - Pin ![](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) My kids love eating apples, but they really don’t love it when they turn brown. We decided to try a fun apple science experiment so they could learn what keeps apples from browning. (See 200+ more [STEM projects](https://teachbesideme.com/elementary-stem-projects/) for kids) ![Apple Science](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) We first talked about why apple brown and discussed the comparison with rusting (oxidation). It is a chemical reaction with the oxygen and an enzyme in the apples. This helped the kids understand why it happened. See Also: [Apple Volcano Experiment into Baked Apples- Autumn Science](https://teachbesideme.com/apple-volcano-experiment-into-baked-apples-autumn-science/) ## How to Do the Apple Experiment: To do this apple science experiment, you’ll just need a few items: an apple, a knife, a few bowls, and various edible liquids. I already knew the answer to this apple oxidation experiment, but I didn’t want to let my kids know about it. I let them choose various substances and liquids from the kitchen to soak the apples in. I did make a suggestion of lemon juice, but let them choose the other things. ![apple science experiment](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) The kids chose vinegar, milk and [baking soda](http://amzn.to/1RGEnjW). Another good one to try is salt water. Just to give them a comparison, I left one with nothing on it (the control variable). You could also use plain water as the variable. We sliced the apples and put the slices into each substance to soak. Label them so you remember which one is which. We left the apple slices soaking for about an hour. Let kids make their own hypothesis about which one will work best. They were excited to see the results. Their guesses were not correct… Check out my [Scientific Method printables](https://teachbesideme.com/scientific-method-worksheets-and-posters/) to help you teach this\! ![Apple browning experiment](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) While some liquids might work better than others, taste is important, as well. If you soaked apples in salt water, they would not taste nearly as good\! ## How to Keep Apples from Turning Brown I then explained to them that lemon juice helps keep the apple from browning, because it is full of [ascorbic acid](http://amzn.to/1SCQGud) (Vitamin C) and it has a low pH level. Ascorbic acid works because oxygen will react with it before it will react with the enzymes in the apple. Once the ascorbic acid gets used up, the oxygen will start reacting with the enzymes in the apple (polyphenol oxidase) and browning will occur. Did you know why apples turn brown? ![Apple Science printable worksheet](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) DOWNLOAD the free printable apple browning experiment worksheet now\! ![science-experiments-for-kids STEM](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) Want more simple science experiments? Check out this big list of [Simple Science Experiments for Kids](https://teachbesideme.com/simple-science-experiments-kids/)\! Also, a little more on Oxidation with this [Rust Experiment](https://teachbesideme.com/oxidation-rust-experiment/)\! ![oxidation experiment](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) ## A Few More Apple Learning Ideas: A magnetic science activity to go along with the book [10 Apples Up on Top](https://teachbesideme.com/stacking-levitating-magnets/) [Pi Day with Apple Pie](https://teachbesideme.com/pi-day-apple-pie/) [Apple Volcano Experiment into Baked Apples- Autumn Science](https://teachbesideme.com/apple-volcano-experiment-into-baked-apples-autumn-science/) [Printable Apple Activity Book](https://teachbesideme.com/printable-apple-activity-book/) [Printable Johnny Appleseed Story for Kids](https://teachbesideme.com/printable-johnny-appleseed-story-for-kids/) ## Extend the Learning with Some Apple Books: ![Apple books for kids](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) [How do Apples Grow?](http://amzn.to/2xfAPCF) by Betsy Maestro [Apples](http://amzn.to/2gOSHND) by Gail Gibbons [The Season’s of Arnold’s Apple Tree](http://amzn.to/2j8ZF0T) by Gail Gibbons [Apples, Apples Everywhere](http://amzn.to/2ePKAQz) by Robin Koontz [Apple Farmer Annie](http://amzn.to/2wddr3B) by Monica Wellington [Apples, Apples, Apples](http://amzn.to/2f8jUY6) by Nancy Elizabeth Wallace SaveSaveSaveSaveSaveSave ![](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) [Karyn Tripp](https://teachbesideme.com/author/karyntripp/ "Posts by Karyn Tripp") Former school teacher turned homeschool mom of 4 kids. Loves creating awesome hands-on creative learning ideas to make learning engaging and memorable for all kids\! ## Post navigation [PreviousSafe Cracker Math Game: A Fun Number Logic Challenge for Kids](https://teachbesideme.com/safe-cracker-printable-math-game/) [NextOvercoming Common Homeschooling Fears: What I Wish I Knew](https://teachbesideme.com/homeschooling-fears-of-starting-out/) ## Similar Posts - [![st. 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Pinning this one\! [Log in to Reply](https://teachbesideme.com/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F) 1. ![](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) Alexis says: [January 23, 2017 at 6:08 pm](https://teachbesideme.com/apple-science/#comment-379132) I wonder what the variables are [Log in to Reply](https://teachbesideme.com/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F) 1. ![](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) luke says: [January 25, 2017 at 11:27 am](https://teachbesideme.com/apple-science/#comment-379267) the dependant variable is how much the apples browned and the independent variable is the liquid used [Log in to Reply](https://teachbesideme.com/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F) 1. ![](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) Indy says: [February 28, 2019 at 10:10 am](https://teachbesideme.com/apple-science/#comment-469793) I hear you but then i still have a question, if you were to record in on a table or a graph for that matter, how would you measure how much it has browned? By sized? Because i am stuck now [Log in to Reply](https://teachbesideme.com/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F) 1. ![](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) [C Johnson](http://bbg.org/) says: [May 26, 2020 at 1:15 pm](https://teachbesideme.com/apple-science/#comment-599098) This version of the experiment seems to generate a simple yes or no result as opposed to a measurable DV. If you need to quantify the dependent variable, perhaps try identifying quadrants on each apple slice and discussing the amount of browning as percentages? Or… maybe counting spots? I wonder if it might even be fruitful (pun intended) to look at the time it takes each liquid of independent variable to brown. No browning would be ‘n/a.’ You might even compare acidic (vinegar) vs. alkaline (baking soda). 2. Pingback: [10 Apple Themed Learning Activities](http://igamemom.com/2014/09/02/10-apple-themed-learning-activities/) 3. ![](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) [Rachel](http://www.creativehomemaking.com/) says: [October 25, 2014 at 7:51 pm](https://teachbesideme.com/apple-science/#comment-239409) Great science experiment! Can’t wait to try it with my kids. [Log in to Reply](https://teachbesideme.com/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F) 4. ![](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) [The Little Tourist](http://www.thelittletourist.com/get-creative) says: [April 9, 2015 at 4:09 pm](https://teachbesideme.com/apple-science/#comment-304560) This is such a great idea! My children LoVe apples. Doing an experiment with them makes total sense\! Thanks for sharing 😉 [Log in to Reply](https://teachbesideme.com/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F) 1. ![](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) [Karyn Tripp](https://teachbesideme.com/) says: [April 15, 2015 at 3:09 pm](https://teachbesideme.com/apple-science/#comment-305628) Thanks! Glad you like it! 🙂 [Log in to Reply](https://teachbesideme.com/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F) 5. ![](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) m says: [April 18, 2015 at 9:08 pm](https://teachbesideme.com/apple-science/#comment-306125) A tiny bit of honey also prevents browning. Like a drizzle and then shake to coat. Doesn’t work as long as lemon juice but also isn’t as tart. [Log in to Reply](https://teachbesideme.com/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F) 6. ![](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) JeanAnn says: [August 9, 2015 at 1:44 am](https://teachbesideme.com/apple-science/#comment-325080) use salt water also can prevent apple becoming browning\! [Log in to Reply](https://teachbesideme.com/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F) 7. ![](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) Jayden Burris says: [October 5, 2015 at 9:33 am](https://teachbesideme.com/apple-science/#comment-334011) What is the Variables like control, independent, and dependent, causes of this project. [Log in to Reply](https://teachbesideme.com/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F) 8. ![](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) [Asheli Godfrey](http://www.imnotatree.blogspot.com/) says: [June 5, 2016 at 5:07 pm](https://teachbesideme.com/apple-science/#comment-362774) Definitely going to be doing this for our picnic theme! Great idea [Log in to Reply](https://teachbesideme.com/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F) 9. ![](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) Tami Lucas says: [October 15, 2016 at 2:12 pm](https://teachbesideme.com/apple-science/#comment-370493) I use apple juice to keep apple slices from turning brown. It will even reverse light browning. [Log in to Reply](https://teachbesideme.com/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F) 10. ![](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) C McWher says: [November 12, 2016 at 8:18 pm](https://teachbesideme.com/apple-science/#comment-372664) I will be doing this experiment with my daughter soon. I have always soaked apples in pineapple juice to prevent browning, and look forward to seeing how it compares to lemon juice\! [Log in to Reply](https://teachbesideme.com/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F) 11. ![](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) luke says: [January 25, 2017 at 11:31 am](https://teachbesideme.com/apple-science/#comment-379268) also you could use a temporary vacuum chamber by taking a plastic bag and putting the apple inside of it . put the bag in to a bucket of water with the bag partially opened. the water pressure on the bag will force the air out of the bag and temporarily vacuum seal the bag. hope this helps 🙂 [Log in to Reply](https://teachbesideme.com/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F) 12. ![](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) person says: [October 27, 2017 at 8:16 am](https://teachbesideme.com/apple-science/#comment-404613) can you please provide a list of procedures [Log in to Reply](https://teachbesideme.com/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F) 13. ![](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) Jordan Rawls says: [November 11, 2019 at 9:23 am](https://teachbesideme.com/apple-science/#comment-522209) What common core standard would go with this science experiment? [Log in to Reply](https://teachbesideme.com/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F) ### Leave a Reply [Cancel reply](https://teachbesideme.com/apple-science/#respond) You must be [logged in](https://teachbesideme.com/wp-login.php?redirect_to=https%3A%2F%2Fteachbesideme.com%2Fapple-science%2F) to post a comment. ![](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) ### Meet Karyn Hey there! My name is Karyn. I am a homeschooling mom of 4 kids and former public school teacher. I am passionate about education, especially finding ways to make learning engaging and creative. Look around, stay a while. I hope you find valuable resources to help you on your education journey\! [About Karyn](https://teachbesideme.com/about-me/) [Terms of service](https://teachbesideme.com/terms-of-service/) . [Privacy Policy](https://teachbesideme.com/privacy-policy/). 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Readable Markdown	This post may contain affiliate links. My kids love eating apples, but they really don’t love it when they turn brown. We decided to try a fun apple science experiment so they could learn what keeps apples from browning. (See 200+ more [STEM projects](https://teachbesideme.com/elementary-stem-projects/) for kids) ![Apple Science](https://teachbesideme.com/wp-content/uploads/2014/02/Apple-Science-729x1024.jpg) We first talked about why apple brown and discussed the comparison with rusting (oxidation). It is a chemical reaction with the oxygen and an enzyme in the apples. This helped the kids understand why it happened. See Also: [Apple Volcano Experiment into Baked Apples- Autumn Science](https://teachbesideme.com/apple-volcano-experiment-into-baked-apples-autumn-science/) ## How to Do the Apple Experiment: To do this apple science experiment, you’ll just need a few items: an apple, a knife, a few bowls, and various edible liquids. I already knew the answer to this apple oxidation experiment, but I didn’t want to let my kids know about it. I let them choose various substances and liquids from the kitchen to soak the apples in. I did make a suggestion of lemon juice, but let them choose the other things. ![apple science experiment](https://teachbesideme.com/wp-content/uploads/2014/02/apple-science-experiment-1024x768.jpg) The kids chose vinegar, milk and [baking soda](http://amzn.to/1RGEnjW). Another good one to try is salt water. Just to give them a comparison, I left one with nothing on it (the control variable). You could also use plain water as the variable. We sliced the apples and put the slices into each substance to soak. Label them so you remember which one is which. We left the apple slices soaking for about an hour. Let kids make their own hypothesis about which one will work best. They were excited to see the results. Their guesses were not correct… Check out my [Scientific Method printables](https://teachbesideme.com/scientific-method-worksheets-and-posters/) to help you teach this\! ![Apple browning experiment](https://teachbesideme.com/wp-content/uploads/2014/02/apple-browning-experiment-1024x768.jpg) While some liquids might work better than others, taste is important, as well. If you soaked apples in salt water, they would not taste nearly as good\! ## How to Keep Apples from Turning Brown I then explained to them that lemon juice helps keep the apple from browning, because it is full of [ascorbic acid](http://amzn.to/1SCQGud) (Vitamin C) and it has a low pH level. Ascorbic acid works because oxygen will react with it before it will react with the enzymes in the apple. Once the ascorbic acid gets used up, the oxygen will start reacting with the enzymes in the apple (polyphenol oxidase) and browning will occur. Did you know why apples turn brown? ![Apple Science printable worksheet](https://teachbesideme.com/wp-content/uploads/2014/02/Screen-Shot-2016-03-09-at-11.03.05-AM.png) DOWNLOAD the free printable apple browning experiment worksheet now\! ![science-experiments-for-kids STEM](https://teachbesideme.com/wp-content/uploads/2014/02/science-experiments-for-kids-1024x1024-1-400x400.png) Want more simple science experiments? Check out this big list of [Simple Science Experiments for Kids](https://teachbesideme.com/simple-science-experiments-kids/)\! Also, a little more on Oxidation with this [Rust Experiment](https://teachbesideme.com/oxidation-rust-experiment/)\! ![oxidation experiment](https://teachbesideme.com/wp-content/uploads/2017/01/oxidation-experiment-Does-it-rust--400x400.jpg) ## A Few More Apple Learning Ideas: A magnetic science activity to go along with the book [10 Apples Up on Top](https://teachbesideme.com/stacking-levitating-magnets/) [Pi Day with Apple Pie](https://teachbesideme.com/pi-day-apple-pie/) [Apple Volcano Experiment into Baked Apples- Autumn Science](https://teachbesideme.com/apple-volcano-experiment-into-baked-apples-autumn-science/) [Printable Apple Activity Book](https://teachbesideme.com/printable-apple-activity-book/) [Printable Johnny Appleseed Story for Kids](https://teachbesideme.com/printable-johnny-appleseed-story-for-kids/) ## Extend the Learning with Some Apple Books: ![Apple books for kids](https://teachbesideme.com/wp-content/uploads/2014/02/Apple-books-for-kids-807x1024.jpg) [How do Apples Grow?](http://amzn.to/2xfAPCF) by Betsy Maestro [Apples](http://amzn.to/2gOSHND) by Gail Gibbons [The Season’s of Arnold’s Apple Tree](http://amzn.to/2j8ZF0T) by Gail Gibbons [Apples, Apples Everywhere](http://amzn.to/2ePKAQz) by Robin Koontz [Apple Farmer Annie](http://amzn.to/2wddr3B) by Monica Wellington [Apples, Apples, Apples](http://amzn.to/2f8jUY6) by Nancy Elizabeth Wallace ![](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==) [Karyn Tripp](https://teachbesideme.com/author/karyntripp/ "Posts by Karyn Tripp") Former school teacher turned homeschool mom of 4 kids. Loves creating awesome hands-on creative learning ideas to make learning engaging and memorable for all kids\!
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