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In this activity, learners create a straw oboe to explore sound and pitch.

In this optics activity, learners explore diffraction by adding wax blocks to a ripple tank. The wedge-shaped blocks act as obstacles that the wave must bend around.

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

In this three-part activity, learners explore how waves are formed and why some waves are bigger than others. First, learners observe waves of water in a pan generated by an electric fan.