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In this activity, learners simulate the energy transfer between the earth and space by using the light from a desk lamp desk lamp with an incandescent bulb and a stack of glass plates.

In this collecting/comparing activity, learners work with samples of sand from different places like a lakefront, river, or ocean beach.

In this activity, learners will make their own prism and use a glass of water to separate sunlight into different colors.

This activity gets learners looking at 6-sided shapes in nature, including the cells of a beehive, as well as other shapes.