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Polarized Light Mosaic
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In this activity, learners use transparent tape and polarizing material to create and project beautifully colored patterns reminiscent of abstract or geometric stained glass windows--no glass required

Rotating Light
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In this activity, learners explore what happens when polarized white light passes through a sugar solution.
The Ripple Tank
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In this optics activity, learners create a ripple tank from household materials to study waves. Learners build the tank and then explore by making various types of waves.

Moiré Patterns
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In this activity about light and perception, learners create and observe moire patterns.

Big Wave
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This is an activity about waves. Using marbles, paper clips and rubber bands, learners explore how waves behave.
Interference in a Ripple Tank
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In this optics activity, learners explore interference by adding wax blocks to a ripple tank.
Diffraction Between Wax Blocks
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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.