Melted Crayons Science Experiment

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A fun way to explore the phases of matter such as liquids and solids is to melt crayons.  All of my kiddos loved our Melted Crayon Science Experiment. And bonus that we were able to make new crayons from our stash of broken ones!

This science experiment helped my 3rd grader gain understanding with the phases of matter and how temperature can change an object from a liquid to solid and/or solid to liquid.
Must try this classic science experiement with your kiddos!  Learn about the phases of matter with this Melted Crayon Science Experiment!
What you need:
stash of broken crayons

Preheat oven to 250*

While the oven is preheating, gather willing participants and take any remaining wrapper of your crayons.  This part is quite tedious, and we found the cheaper crayons were easier to peel.  Place the wrapper-free broken crayon in a muffin cup.

As you peel the crayons, talk about what phase of matter the crayon is in-- is it a liquid, solid, or gas.  How do you know?  What is the difference between the each phase?  Talk about what is going to happen when you stick the muffin tin into the oven.

Continue peeling and filling up your muffin tin.  Have fun mixing up the colors or separate them by color family.

Once the oven has reach desired temperature and/or your fingers ache from peeling all those crayon wrappers, place the muffin tin full of broken crayons and place it into the oven.  Set the timer for 15 minutes.

Melted Crayon Science Experiment

When the crayons have melted, grab some oven mitts and pull them out of the oven.  Talk about how they are no longer solid!  The heat changed them to a liquid!

Let them cool in the muffin tin for a while.  When you check back, notice that they are no longer a liquid, but a solid!!  

Grab some paper and have fun coloring with your new crayons!  And take some time to brainstorm some other objects that change from a liquid, solid, or gas to another form of matter!

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