Science Experiments with Candy

by Meghan

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Preschoolers are natural scientists.  Their insatiable curiosity and inquisitiveness set the perfect stage for basic science experiments.  This week, Big M (age 4) and I are exploring science experiments with candy, featuring SweetTart hearts and custom My M&Ms for Valentine’s Day, but you can use any candy you have on hand.

Science Experiments with Candy - Preschool Science


Science Experiments with Candy

Though preschooler’s natural curiosity is often enough to stoke their interest in science, a great way to hold their interest in learning opportunities is by using things they love.  And kids LOVE candy. To create our science experiments with candy, we used 3 different liquids, 2 different kinds of candy and these super fun, jumbo sized test tubes from Learning Resources that are perfect for young scientists!

Setting Up Our Experiment

You can use any liquids and candy you like – this is much more about the process and making observations than the specific ingredients involved.  For our set-up, we used the following supplies:

Supplies

Learning Resources Test Tubes
3 different liquids: water, vinegar, ginger ale
2 types of candy: SweetTarts and M&Ms
Measuring cups (optional, for easy pouring)
Paper, to record observations

Cost: Less than $5 (excluding test tubes)
Prep Time: Less than 5 minutes
Clean-Up Time: Less than 5 minutes

Big M helped me prep our experiment by filling the test tubes with our liquid – we added each different liquid to 2 test tubes, one for each type of candy.

Science Experiments with Candy - Pouring Liquids in Test Tubes

Next, we recorded our observations of both the different liquids the candy itself BEFORE we added it to our test tubes.  This of course included a little taste testing, as well!

Science Experiments with Valentine Candy for Kids

Science of Candy - Observation Chart

She talked about the color and smell of each liquid.  I was confused at first when she said the vinegar smelled like rice, but then she explained, ‘like, you know, when we make the colored rice?’  And since we color rice with food coloring and vinegar, it then made complete sense!  It’s always amusing to discover the connection their brains make.

Then, we added the candy to each test tube, and made initial, day 0, observations.

Science Experiments with Candy - Adding Candy to Liquids

Big M observed bubbles forming and color coming off, especially in the ginger ale and vinegar tubes.

Science Experiments with Candy - Day 0 Observations

Last, we let it sit for the weekend, and revisited our test tubes after 2 days to make final observations.

Science Experiments with Candy - Day 2 Observations

The SweetTarts had dissolved nearly completely, and she helped them along giving the test tubes a few shakes!  The SweetTart tubes’ liquids had become the color of the SweetTarts, and the M&M tubes had become cloudy and murky. The coolest observation we both made? We used Valentine My M&Ms, featuring black hearts, XOs, and messages printed on the chocolate candies.  The candy shells had completely dissolved, leaving just the chocolate.  But the printed black letters and hearts remained whole and were floating around in the test tubes!

Science Experiments with Candy - Floating Hearts

Science Discovered

This basic experiment allowed us to explore a few different science topics, including discussion of dissolving, density and acids.

  • Acids  – Big M observed immediately after we added the candy to the liquid that the ginger ale and vinegar demonstrated a lot more activity than the candy in the water.  I explained that both the soda, which contains carbonic acid, and vinegar were acids, and acids dissolve solids more quickly than water.
  • Dissolving – Big M talked about how she saw ‘the candy melting’.  I explained it wasn’t melting, like ice, but dissolving in the liquid.  Liquid breaks the candy into tiny particles (we didn’t get into molecules and charges just yet!) so that it becomes part of the liquid itself.
  • Density – at the end of Day 2, Big M observed the SweetTarts were floating at the top of the liquid in their test tubes.  I told her this was because their density had changed.  Enough of the solid SweetTart had dissolved into the liquid, that the candy was now lighter and less dense than the liquid itself, causing it to float to the top.

#KBIGRoundUp

This post is my contribution to the weekly #KidBloggersofIG activity round-up.  This week’s theme is Science!  Check out #KBIGRoundUp for all the great science ideas shared this week, feel free to share your own, and follow me @PGPBMeghan on Instagram to catch the new theme each week, announced on Monday mornings, and my featured favorites, shared throughout the week.

Catch the latest in the #KBIGRoundUp feed below:

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Big M is super excited to use our jumbo test tubes again… but it’s been oh, nearly 2 decades (ouch!) since this mama took high school Chemistry, so I’m going to have to start searching for ideas.  Anyone have any suggestions or ideas to share?  I’ll add them all to my STEM for Kids – Science board on Pinterest! If you enjoyed this post, be sure to check out Blowing Bubbles with Household Objects, a preschool exploration of the scientific method, or Top 10 Candy Science Experiments for Kids from Lemon Lime Adventures.

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Science Experiments with Candy for Preschoolers

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