I don’t know a single kid who wouldn’t love to learn chemistry with a little chocolate science because it’s definitely yummy science! It’s also a great way to introduce the concept of reversible change. Find out whether melting chocolate is a chemical change or a physical change. We love simple hands-on science experiments for kids.

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Enjoy Edible Science

My son’s favorite thing is food! Why not explore science through food. That’s how I came up with this simple but effective melting chocolate science experiment to show reversible change!

This chocolate science makes a great little treat too! Grab some clear bags and ribbon and package up your new chocolate hearts to give to friends.

You can also make butter and ice cream with kids for more edible science ideas!

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What Is The Scientific Method For Kids?

The scientific method is a process or method of research. A problem is identified, information about the problem is gathered, a hypothesis or question is formulated from the information, and the hypothesis is tested with an experiment to prove or disprove its validity.

Sounds heavy… What in the world does that mean?!? It means you don’t need to try and solve the world’s biggest science questions! The scientific method is all about studying and learning things right around you.

As children develop practices that involve creating, gathering data evaluating, analyzing, and communicating, they can apply these critical thinking skills to any situation.

READ MORE HERE: Using The Scientific Method with Kids

Note: The use of the best Science and Engineering Practices is also relevant to the topic of using the scientific method. Read more here and see if it fits your science planning needs.

Helpful Science Resources

Here are a few resources that will help you introduce science more effectively to your kiddos or students and feel confident yourself when presenting materials. You’ll find helpful free printables throughout.

The Science Of Melting Chocolate

What is reversible change anyway? A reversible change is something that can be undone. Such as melting and freezing water, and our chocolate!

Our chocolate has undergone a phase change but one that can be reversed. It starts as solid chocolate chips, and as heat is added melts and changes to liquid chocolate. When the heat is removed, the chocolate changes back to solid chocolate.

Is melting chocolate a chemical change?

Melting chocolate is a physical change, not a chemical change because no new substance is formed. Learn more about phase changes, physical change and chemical change.

I have not created a new substance, an irreversible process like baking a cake. I can’t turn a cake back into the raw ingredients, so it is an irreversible change. Melting Crayons is another fun example of reversible change.

Click here to get your FREE Candy Science Guide

Melting Chocolate Science Experiment

All you need is chocolate chips and some chocolate/baking mold. However, you can still show reversible change if you don’t have a mold. Simply heat and let harden on wax paper. Get creative and fashion a mold!

Supplies:

  • Chocolate Chips
  • Baking Mold or Wax Paper
  • Ability to heat chocolate chips

Instructions:

Note: This is a completely adult supervised activity here with my five-year old. I made a simple double boiler on the stove by putting water in a bottom of a pan and then placing an appropriate bowl on top. The bowl should not sit on the bottom of the pan

STEP 1. Place the chocolate chips in the bowl and slowly heat water. Stir and watch as the chips melt.

STEP 2. Once your chocolate is melted, put in mold! We refrigerated ours for a quicker treat!

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Making Observations

Examine the chocolate chips, the melted chocolate, and the newly hardened chocolate with your kids. This is a great opportunity to discuss your steps for this melting chocolate science activity to show reversible change!

You might as well do some taste testing to ensure the chocolate tastes yummy in every stage of change. Just be careful with the hot chocolate so that no one gets burned. Always practice safety when conducting a science experiment!

Ask the kids to use their 5 senses along the way. It’s great for starting conversations and helping your kids learn to observe and describe what’s happening.

ALSO CHECK OUT: States Of Matter Experiments

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More Fun Candy Science Experiments

Check out our complete list of candy science experiments, as well as tons of kitchen science ideas. Here are a few of our favorites…

Printable Science Projects For Kids

If you’re looking to grab all of our printable science projects in one convenient place plus exclusive worksheets and bonuses like a STEAM Project pack, our Science Project Pack is what you need! Over 300+ Pages!

  • 90+ classic science activities with journal pages, supply lists, set up and process, and science information. NEW! Activity-specific observation pages!
  • Best science practices posters and our original science method process folders for extra alternatives!
  • Be a Collector activities pack introduces kids to the world of making collections through the eyes of a scientist. What will they collect first?
  • Know the Words Science vocabulary pack includes flashcards, crosswords, and word searches that illuminate keywords in the experiments!
  • My science journal writing prompts explore what it means to be a scientist!!
  • Bonus STEAM Project Pack: Art meets science with doable projects!
  • Bonus Quick Grab Packs for Biology, Earth Science, Chemistry, and Physics

2 Comments

  1. Never mind, I saw that you only explored reversible changes. I’m trying to see if there are any procedures for chemical reactions with chocolate. I’d be grateful if you could provide me with any assistance. Thanks in advance

  2. Pingback: Here's What's Cooking This Summer: Fun Culinary Activities for your students - eFoodHandlers

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