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

In this four-part activity, learners will discover the exciting world of light--the most important form of energy in our world--and be able to identify and describe different types of light.

In this activity, learners set up an experiment to investigate the effects of hot air on the path of a laser beam.

This is an activity about turbidity, or the amount of sediment suspended in water.