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In this outdoor winter activity, learners search for and create hibernation sites that will protect gelatin "animals" from freezing.

In this demonstration, learners observe how liquid nitrogen both boils and freezes ingredients to make ice cream in two minutes.

What causes frost to form on the outside of a cold container? In this activity, learners discover that liquid water can change states and freeze to become ice.

In this tasty activity, learners make their own ice cream any day of the year in an exploration of heat and cold. Highlights include freezing and melting and the transition from liquid to solid.

In this outdoor, winter activity, learners find living green plants under the snow and determine the light and temperature conditions around the plants.