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Altered Reality
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In this activity, learners discover that the human brain is highly adaptable. Learners try to toss beanbags at a target while wearing prism goggles.
Playtime Paint
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In this activity on page 9 of the PDF, learners make their own paint using chalk as a pigment and glue and water as binders. This activity introduces learners to special mixtures called suspensions.
Glowing Pickle
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In this activity, high voltage is applied across a pickle to emit a yellow glow. This activity should only be conducted by skilled adults and is best suited as a demonstration.
Mirror Reversal
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Challenge popular misconceptions, learners explore how a mirror actually reflects an image in this activity.
Reflections
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In this activity, learners play a game and use pattern blocks to explore mirror images and reflection.
Forensic Science: Hair Sample Investigation
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This activity (on page 2 of the PDF under SciGirls Activity: Forensics) is a full inquiry investigation into how hairs from a crime scene are matched to suspects.
Bee Hummer
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In this activity, learners investigate sound and vibration by making a "bee hummer"--a toy that sounds like a swarm of buzzing bees when you spin it around.
Upside-Down Town
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In this activity, learners explore ray optics. Learners discover that they can use a magnifying glass to create an upside-down image.
Up Periscope!
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This activity provides instructions for building a mirrored tube--a smaller and simpler version of a submarine's periscope--that lets you see around corners and over walls.
River Catcher
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In this activity (located at the top of the page), learners make an easy river strainer and see what they can catch.
Exploring With Sound
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In this activity, learners use sound to figure out, or infer, the position of objects. Learners create a maze inside a shoebox with blocks of wood.
Caller ID: The Frog - and Toad! - Mating Game
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This activity is a sensory experience that recreates the sounds of a pond at night.
Glow Up
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In this activity, learners explore chemiluminescence and fluorescence. Learners examine 3 different solutions in regular light, in the dark with added bleach solution, and under a black light.
Changing Colors
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Learners experiment with a commercially available liquid-crystal coaster. They warm the material with their hands for varying lengths of time and observe the changing colors that result.
Transit Tracks
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In this space science activity, learners explore transits and the conditions when a transit may be seen.
Corner Reflector
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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.
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.
Twirling Rope Frequency
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In this activity (page 1 of the PDF under SciGirls Activity: Double Dutch), learners will stand twelve feet apart swinging a rope at the slowest tempo possible while someone uses a stopwatch to record
Camera Projector
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In this activity (posted on March 14, 2011), learners follow the steps to construct a camera projector to explore lenses and refraction.
Convection Current
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In this activity, learners make their own heat waves in an aquarium.