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In this math-based activity, learners model the intensity of light at various distances from a light source, and understand how astronomers measure the amount of sunlight that hits our planet and othe

In this activity, learners use a laser pointer, empty soda bottle, rubber plug and water to demonstrate total internal reflection.

Can gelatin (like Jell-O ®) change the speed of light?

In this activity, learners explore how mirrors reflect light and change the way we see things.