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    Colorado State University
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    Use this hands-on activity to demonstrate infrared and thermal radiation. Learners will cover their eyes or wear blindfolds and then move their hands to sense the infrared heat coming from a...

    free Ages 8 - 14 Under 5 minutes
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    Colorado State University
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    In this demonstration, learners observe how liquid nitrogen both boils and freezes ingredients to make ice cream in two minutes. The liquid nitrogen also causes the fat and water particles to stay...

    $10 - $20 per group Ages 6 - 14 Under 5 minutes
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    Colorado State University
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    This is a quick, yet dramatic activity/demonstration that introduces learners to the concept of energy transfer. A small ball is placed on top of a large ball and both are dropped together. The...

    free Ages 6 - 14 Under 5 minutes
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    Colorado State University
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    In this activity about phase change and condensation, learners boil water in an empty pop bottle in the microwave. Then, learners stretch a balloon over the mouth of the bottle and will be...

    1 cent - $1 per group Ages 8 - 14 Under 5 minutes
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    Colorado State University
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    This is a quick activity/demonstration that introduces learners to the concept of index of refraction. Learners place stirring rods in a jar of water and notice they can see them clearly. They will...

    1 cent - $1 per group Ages 8 - 18 Under 5 minutes
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    Colorado State University
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    In this quick activity/demonstration about density, learners examine what happens when two cans of root beer--one diet and one regular--are placed in a large container of water. Do they sink or...

    1 cent - $1 per group Ages 4 - 14 Under 5 minutes

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