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in STEM Activities

Wacky Science Experiments: How to Make Hot Ice

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Kids will love this wacky science experiment for kids! Hot ice is a novelty any time of year. Learn the no-fail way for how to make hot ice here!

We watch a lot of science-themed YouTube videos, so of course, when we saw this video, we knew we had to try and make our own hot ice.

We thought the hot ice science experiment would be easy, but it turns out, there is a trick to it!

You’ll also want to check out the ultimate list of summer STEM activities and the ultimate list of summer science experiments. 

Kids will love this wacky science experiment! Hot ice is a novelty any time of year. Learn the no-fail way for how to make hot ice here!

Related: STEM Activities for Kids of All Ages

How to Make HOT Ice!

Kids will love this wacky science experiment! Hot ice is a novelty any time of year. Learn the no-fail way for how to make hot ice here!

Making hot ice isn’t difficult, but if you don’t follow the steps correctly, your project will be messed up and you will have to start over.

You want to get it right the first time because this experiment takes MASSIVE amounts of vinegar.

winter STEM challenge cards

What you’ll need to make hot ice:

Disclaimer: This post contains affiliate links at no cost to you for your convenience. 

  • Baking soda
  • Vinegar
  • Large pot
  • Aluminum foil
  • Rubbing alcohol
  • Safety goggles
  • Latex gloves

How to Make Hot Ice Directions

Wear gloves and eye protection when doing this experiment to keep safe.

To make hot ice, you must boil vinegar and baking soda.

Mix 6 cups of vinegar and 6 tablespoons of baking soda in a pot. Add the baking soda slowly, because you don’t want too big of a reaction. This will create sodium acetate, which can eventually form crystals.

Your experiment might not work the first time (ours didn’t) so keep trying!

We used about a gallon of vinegar before we finally got the experiment to work. We felt like real scientists having to work so hard to make something happen!

Now, boil your sodium acetate mixture down until there is only about 1-2 cups left. Keep the heat as low as you can, otherwise it will turn yellow.

We boiled our vinegar too hot, so our ice turned a bit yellow. That doesn’t affect results, but it does make it look less like ice.

Our crystals finally formed after boiling our fifth batch.

Put your reduced mixture in the refrigerator for about 45 minutes to encourage crystals to form. You may not be able to see them until you pour off the liquid.

Save the liquid for later!

Kids will love this wacky science experiment! Hot ice is a novelty any time of year. Learn the no-fail way for how to make hot ice here!

Rinsing the crystals with rubbing alcohol will get rid of some of the yellow color (but not all).

Kids will love this wacky science experiment! Hot ice is a novelty any time of year. Learn the no-fail way for how to make hot ice here!

Can you believe this started as six cups of vinegar?

You’ll want to be careful when moving the mixture from the refrigerator to where you plan to pour it out, because if you bump it too much, it could harden in the cup.

Place a few of the crystals on a plate to “seed” your hot ice structures.

Kids will love this wacky science experiment! Hot ice is a novelty any time of year. Learn the no-fail way for how to make hot ice here!

Let the kids pour out the vinegar mixture and watch it harden right before your eyes! Pour very carefully to stack the crystals.

After pouring it out, the kids can shape it and play in it safely (wear latex gloves for maximum protection).

Kids will love this wacky science experiment! Hot ice is a novelty any time of year. Learn the no-fail way for how to make hot ice here!

Next time, we’ll try making a giant batch for even more hot ice fun!

Kids will love this wacky science experiment! Hot ice is a novelty any time of year. Learn the no-fail way for how to make hot ice here!

winter STEM challenge cards

More Winter Science Experiments

Burning Ice Science Experiment

Snow Science Experiments

Winter Science Experiments You Can Do Without Snow

Winter Science Experiments for Preschoolers

How to Make a Magnifying Glass from Ice

How to Make Frost

Winter STEM Activities by Grade Level

Try these winter STEM activities for each grade level!

Winter Science Experiments for Toddlers

Winter STEM Activities for Preschool

Winter Science Experiments for Preschool

Winter STEM Activities for Kindergarten

Winter STEM Activities for 1st Grade

Winter STEM Activities for 2nd Grade

Winter STEM Activities for 3rd Grade

Winter STEM Activities for 4th Grade

Winter STEM Activities for 5th Grade

Winter STEM Activities for Middle School

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Filed Under: STEM Activities Tagged With: winter

About Brenda Priddy

Brenda grew up thinking she hated science. But when her 4-year- old daughter was more interested in reading science facts than fairy tales, Brenda realized she had to learn more. Through simple at-home science experiments, Brenda developed a passion for science and now works as a STEMed advocate with a team of science educators to create hands-on STEM projects and curriculum for kids.

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What is STEAM?

STEAM activities for kids promote the idea that science, technology, engineering, art, and math can all work together to help kids become critical thinkers, problem solvers, and innovators!

Join us on our journey to discover just how much fun science experiments can be.

What we do… 

STEAMsational offers STEM and science lesson plans and teaching resources to provide a firm STEM foundation for children in the classroom or home.

All you need to do is find your supplies, gather your scientists, and let the innovation unfold.

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