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In this activity, learners act as the Earth and observe how different angles between the Sun, Earth, and Moon affect the phases of the moon we see each month.

In this activity, learners make optical fibers out of strips of gelatin.

In this activity, learners discover what happens when they crush wintergreen-flavored candies in a very dark room.

This simple hands-on activity demonstrates why the sky appears blue on a sunny day and red during sunrise and sunset.