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Watching Crystals Grow
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Learners will compare the growth rate and appearance of crystals forming on small rocks to those growing on miscellaneous objects. Learners will also investigate how temperature (warm vs.
Supercooled Water Drops
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In this activity, learners touch supercooled water drops with an ice crystal and trigger the water drops to freeze instantly.
Balloon in a Flask
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Learners observe a flask with a balloon attached over the mouth and inverted inside the flask.
Instant Ice
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In this activity, learners observe a quick phase change as water rapidly goes from a liquid state to a solid state.
Light Soda
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In this activity, learners sublimate dry ice and then taste the carbon dioxide gas.
Sugar/Salt Crystals
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In this chemistry activity (page 1 of the PDF), learners will observe a physical change.
Use Clues to Solve an Ice Mystery
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Learners explore the variables that affect the properties of ice and the places where different types of ice are found.