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

In this space science activity, learners explore transits and the conditions when a transit may be seen.

This activity requires a Pico Cricket (tiny computer). Learners work on designing and building a sound sensor out of household materials, like plastic wrap and cardboard.

In this activity about the solar system, learners use various light sources to examine ice with different components to understand how NASA studies planets and moons from space.