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Corner Reflector
Conditions of Use:
Remix and Share
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In this optics/mathematics activity, learners use two hinged mirrors to create a kaleidoscope that shows multiple images of an object. Learners discover that the number of images reflected in the mirrors depends on the angle between the mirrors. Learners also observe that when they set the hinged mirrors on top of a third mirror, they create a reflector that always sends light back in the direction from which it came. Use this activity to introduce basic principles of light and optics including angle of reflection and angle of incidence.

Material Type:
Activity/Lab
Provider:
Exploratorium
Provider Set:
Science Snacks
Date Added:
12/07/2012
Drawing Board
Conditions of Use:
Remix and Share
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The Drawing Board consists of a marking pen that remains stationary and a platform that swings beneath the pen, acting as a pendulum. As the platform swings, the pen marks a sheet of paper that is fastened to the platform, generating beautiful repetitive patterns. These colorful designs contain hidden lessons in physics. This resource includes instructions for making a large-scale Drawing Board as well.

Material Type:
Activity/Lab
Provider:
Exploratorium
Provider Set:
Science Snacks
Date Added:
12/07/2012