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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.
Weather Stations: Phase Change
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In this activity, learners observe the water cycle in action! Water vapor in a tumbler condenses on chilled aluminum foil — producing the liquid form of water familiar to us as rain and dew.
Sinking Water
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In this experiment, learners float colored ice cubes in hot and cold water.
Physical Change
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In this activity, learners use heat to separate zinc and copper in a penny. This experiment demonstrates physical properties and how physical change (phase change) can be used to separate matter.
Fog Chamber
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In this weather-related activity, learners make a portable cloud in a bottle.
Hot Stuff!
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In this activity, learners discover that sand is the major ingredient in glass.
"Boyle-ing" Water
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In this activity, learners explore Boyle's Law and discover that water will boil at room temperature if its pressure is lowered.
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.