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In this activity, learners build inexpensive kaleidoscopes using transparency paper and foil (instead of mirrors).

In this activity, learners discover that the human brain is highly adaptable. Learners try to toss beanbags at a target while wearing prism goggles.

In this activity, learners explore the many uses of periscopes and how this simple device was designed and is used in many applications.

This activity generates learner excitement about light through the creation of a room-sized rainbow.

In this four-part activity, learners explore light and sound through a variety of hands-on investigations.