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Showing results 21 to 34 of 34
Vestibular-Ocular Reflex
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In this activity, learners will perform various investigations to understand the vestibular-ocular reflex and learn about the importance of visual cues in maintaining balance.
Afterimage
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In this activity about light and perception, learners discover how a flash of light can create a lingering image called an "afterimage" on the retina of the eye.
Circles or Ovals?
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This science activity demonstrates the dominant eye phenomena. What does your brain do when it sees two images that conflict?
Our Sense of Sight: How We Perceive Movement, Depth and Illusions
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In this activity, learners investigate visual perception as well as plan and conduct their own experiments.
Spinning Illusions
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In this activity, learners construct three optical illusion toys to examine how our brains play tricks on what we see.
Sliding Gray Step
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How can you make one shade of gray look like two? By putting it against two different color backgrounds! This activity allows learners to perform this sleight of hand very easily.
Moiré Patterns
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In this activity about light and perception, learners create and observe moire patterns.
Bending Light
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In this optics activity, learners make a lens and explore how the eye manipulates the light that enters it.
Bring it into Focus
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In this activity (page 2 of PDF), learners play with a lens and a piece of paper to focus an image on the paper. Learners look at different things, and see how the lenses affect the image.
Benham's Disk
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In this activity, learners make a Benham Top to explore visual illusions and optics.
Shrinking Spot
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In this activity, learners control the (apparent) size of a hole with their brain.
Seeing Your Blind Spot
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This activity (aka "snack") provides instructions for discovering your blind spot. It is an exploration of light and visual perception using simple materials you may have around the house.
Ready to Observe: Enhance Your Telescope Experience
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This fun hands-on astronomy activity uses a variety of simple props to help learners understand why they see what they see in a telescope.
Pinhole Magnifier
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In this activity related to light and perception, learners use a pinhole in an index card as a magnifying glass to help their eye focus on a nearby object.