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In this activity, learners use crayons to draw conclusions about rocks and the rock cycle.

In this demonstration, learners can observe a number of small convection cells generated from a mixture of aluminum powder and silicon oil on a hot plate.

In this two-part lesson, learners discover how large bodies of water can serve as a heat source or sink at different times and how proximity to water moderates climate along the coast.

In this activity, learners observe how salinity affects the freezing point of water by making and enjoying ice cream.