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Showing results 1 to 20 of 46
Seeing 3D
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Create 3D glasses and use them to explore color, light and optics. Fool your brain into 'seeing' three dimensions on a flat surface!
Sound Charades
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In this game, learners create flash cards with an image on one side (of an animal, for example) and the sound that animal makes on the other.
CD Spinner
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In this activity, learners create a simple “top” from a CD, marble and bottle cap, and use it as a spinning platform for a variety of illusion-generating patterns.
Pupil
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In this activity, learners explore their eye pupils and how they change.
Thinking in Three Dimensions
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In this activity, learners create three-dimensional shapes by making some origami models of simple boxes and containers.
The Space Place
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In this activity (23rd on the page), learners conduct an experiment to examine memory and learning.
Cylindrical Mirror
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In this activity, learners create a cylindrical mirror to see themselves as others see them.
Water Sphere Lens
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In this activity about light and refraction, learners make a lens and magnifying glass by filling a bowl with water.
Magic Wand
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In this activity about light and perception, learners create pictures in thin air.
Ambiguous Cube
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In this activity, learners construct a three-dimensional ambiguous cube to explore visual illusions and how our brains interpret or misinterpret information.
Dark Adaptation
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In this activity (6th on the page), learners investigate how photoreceptors in the eye (rods and cones) "adapt" to low light conditions.
The Blind Spot
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In this activity (1st on the page), learners find their blind spot--the area on the retina without receptors that respond to light.
Eye Spy
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This fun activity uses simple materials such as milk cartons and mirrors to introduce the ideas of optics and visual perception.
Bird in the Cage
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In this activity about afterimages, learners explore what happens when receptor cells called cones in your eye's retina get tired.
Penny Cup Game
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In this optics activity, learners conduct an experiment to find out why two eyes are better than one!
Where Was That?
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In this activity (9th activity on the page), learners work in pairs to see how their perception of touch differs from reality.
Peripheral Vision
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In this optics activity, learners conduct an experiment to explore peripheral vision. Learners collect data about their ability to see shapes, colors, or letters using their peripheral vision.
Size and Distance
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In this activity about depth perception, learners create an optical illusion in a shoe box.
Don't Be Nerve-ous
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In this activity, learners discover a brain process called habituation.
Train Your Brain
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In this activity, learners play a trick on their own brain to see if the brain can learn to ignore distracting input. Colors and words are used to play the visual trick, known as a Stroop Test.