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Apple rotting experiment {apple science}

10 Comments Preschool, Kindergarten, 1st Grade, 2nd Grade, 3rd Grade, 4th Grade, 5th Grade

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If you read my blog regularly, you know that I love doing science activities with my kids. I truly believe that all kids are scientists at heart, since kids show such tremendous curiosity and desire to understand the world around them.

Well, given my love for science I was excited to try this apple rotting experiment with them so they could observe what would happen to an apple under various conditions.

Be sure to read to the bottom to see the printable observation worksheets you can use as a tool for your students to record what they notice both before and after the experiment. Using the recording worksheets along with this activity adds a higher level of critical thinking and scientific observation that supports students’ developing scientific skills.

Note: This activity and many others are included in my Apple Unit Study.

Apple rotting experiment - check out this apple science activity and see what happens to apples left in air, water, vinegar, and oil for a week! #apples #handsonscience #ece || Gift of Curiosity

For this experiment, I sliced and cored an apple into four quarters. I then placed one quarter into each of four glasses.

One glass was empty (except for air, of course).

One glass was filled with water.

One glass was filled with vinegar.

And one glass was filled with oil.

Apple rotting experiment, Day 0 - check out this apple science activity and see what happens to apples left in air, water, vinegar, and oil for a week! #apples #handsonscience #ece || Gift of Curiosity
Apple Unit Study - BUY NOW

After three days, this is what the apples looked like. As you can see, the apple in the air glass had started to shrivel. The apples in the other three glasses looked relatively unchanged, although the glass filled with vinegar had taken on a pinkish tint.

Apple rotting experiment, Day 2 - check out this apple science activity and see what happens to apples left in air, water, vinegar, and oil for a week! #apples #handsonscience #ece || Gift of Curiosity

At the end of a week, there were additional changes. Notably, the water and vinegar levels in the glasses had gone way down, exposing more of the apple to air. The oil, on the other had, had not evaporated like the other liquids.

Apple rotting experiment, Day 7 - check out this apple science activity and see what happens to apples left in air, water, vinegar, and oil for a week! #apples #handsonscience #ece || Gift of Curiosity
 

We took the four slices of apple out of the glasses in order to examine them more closely. The apple in air was obviously the most shriveled, and had gotten somewhat hard. The other apples had all darkened in color.

Apple rotting experiment, Day 7 - check out this apple science activity and see what happens to apples left in air, water, vinegar, and oil for a week! #apples #handsonscience #ece || Gift of Curiosity

I’ll admit to being a bit surprised by the results for the apple that had been left in air. I had expected it to start molding, but instead it just got dry and shriveled up.

Did any of these results surprise you? How would you modify this experiment to try with your kids?

Update: I’ve created an Apple Rotting Experiment printable to go along with this activity. The Apple Rotting Experiment document includes directions for the teacher as well as two different versions of student worksheets (based on students’ levels) to record pre- and post-observations of the apple rotting experiment.

Using the recording worksheets along with this activity supports young students (kindergarten through grade 2) to develop a higher level of critical thinking and scientific observation skills.

Want a copy of my Apple Rotting Experiment?

Get it as part of the Apple Unit Study:

  • Apple Unit Study

    $17.97

Or get it by clicking the button below:

  • Apple Rotting Experiment

    $0.99

More apple resources

More apple posts from Gift of Curiosity:

  • Apple Unit Study
  • Apple Printables Pack
  • Apple Do-a-Dot Printables
  • Apple taste testing
  • Dissecting an apple
  • Apple sensory bin
  • Apple Montessori activities

For more kid-friendly apple activities and apple printables, see my Apple Unit Study page and my Apples Pinterest board.

Filed Under: Preschool, Fall, Kindergarten, Apples, 1st Grade, 2nd Grade, 3rd Grade, 4th Grade, 5th Grade, Science

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Reader Interactions

10 Comments

  1. jeannine: waddleeahchaa

    September 4, 2014 at 11:35 am

    I like these simple science activities you can do with every day household items. My kiddos are old enough to take it one step further and research why each liquid and the air had a different effect on the apple.

    Reply to this comment
    • Katie SG

      September 4, 2014 at 12:51 pm

      Yes, my kids were too young to really understand WHY each liquid had a different effect, but as kids get older this is an activity you can easily expand on to have them explore that question. 🙂

      Reply to this comment
  2. Samantha @ Stir the Wonder

    September 4, 2014 at 6:13 pm

    This is a great experiment! Thanks for linking up at the Thoughtful Spot Weekly Blog Hop! I’ll be featuring this post on Monday! We hope you stop by and link up again next week!

    Reply to this comment
  3. Carrie

    September 5, 2014 at 5:15 pm

    Oh, how interesting!! Thank you for sharing at Sharing Saturday!

    Reply to this comment
  4. Ticia

    September 6, 2014 at 9:17 pm

    Hmmm….. I might have tried a soda to see how it reacts to the apple. If you wanted to add in powders, I’ve seen some really interesting attempts at mummification using salt or baking soda.

    Thanks for linking up to Science Sunday!

    Reply to this comment
    • Katie SG

      September 7, 2014 at 9:01 am

      Interesting ideas! We never have soda in the house, but I agree it would have been interesting to try and I could buy a can of soda just for the experiment. And I love the idea of trying to mummify an apple!

      Reply to this comment
  5. Kandi

    September 30, 2014 at 10:34 pm

    Hi I found you through Pintrest and love this idea. We are currently doing the letter A with My Father’s World and will be doing this experiment. I will add orange juice, a white soda (like Sprite), and a dark soda (like Coke). Thanks for this, my kids are going to love it!

    Reply to this comment
    • Katie SG

      October 1, 2014 at 7:50 am

      Adding soda is a great idea! I’d love to know what happens! And orange juice is so acidic, that will be interesting as well.

      Reply to this comment
  6. kira

    September 6, 2017 at 7:48 am

    this is a good experiment i might do it for my science fair project!

    Reply to this comment
  7. munchkin

    September 1, 2021 at 1:59 pm

    Thanks for sharing this great science experiment! Totally loving it.

    Reply to this comment

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I help parents who are transitioning into homeschooling shed old mindsets and embrace their homeschooling superpowers so they can create a homeschool they love where their children will thrive.

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