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Overlapping Spots: Make a bright spot brighter
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This perception trick focuses on conflicting information to the brain...instead of trying to see two images, you're trying to get a bright spot by overlapping the image you see through two tubes.

Motor Effect
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See what force a magnet has on a wire that has current running through it: will it push it, pull it, or will nothing happen? This is the foundation of a simple electric motor.

Persistence of Vision
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If you had a long tube with a 5 millimeter wide slit, would you see the entire Golden Gate Bridge?

A Stand-up Egg
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In this science trick, learners get an egg to stand-up on its long-axis vertical to a table's top.

Fantastic Four: A Math Card Game
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This is a game that is sure to sharpen players' basic math skills. Players must use four randomly selected numbers to create an equation that equals a fifth number.

Hot Sauce Hot Spots
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In this activity, learners model hot spot island formation, orientation and progression with condiments.

Balancing Ball: Suspend a ball in a stream of air
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Balance a ball in the air with a hair dryer! This Exploratorium produced activity shows learners concepts like lift and air streams. You can try many different angles, speeds, and ball types.

Lateral Inhibition
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Which one of your eyes are dominant? Do they act independently or are they equally "in control?" This activity explores how your eyes work (or don't work) together.

Aluminum-Air Battery: Foiled again!
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Construct a simple battery that's able to power a small light or motor out of foil, salt water, and charcoal. A helpful video, produced by the Exploratorium, guides you along on this activity.

Cool Hot Rod
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If you have access to a copper metal tube, this activity does a great job demonstrating what happens to matter when it's heated or cooled. This activity requires some lab equipment.

Hole in Your Hand
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Create an illusion where it appears that your hand has a hole in it. You'll see the results from when one eye gets conflicting information.

Smell the Maillard Reaction
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In this activity, learners cook amino acids and sugar to explore the range of aromas released.

Build a Solar System
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In this activity, learners make a scale model of the Solar System and learn the real definition of "space." Learners use the online calculator to create an appropriate scale to use as a basis for thei

Soap-Film Painting
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Make a big canvas of iridescent color with pvc pipe! In this Exploratorium Science Snack, you'll need to cut and assemble some PVC pipe, but the pay-off, the soap-bubble canvas, is big.

The Three Little Pigments: Science activity that demonstrates the primary and secondary colors of lightScience activity that demonstrates the primary and secondary colors of light The Three Little Pigments Know your C, M, Y, and K.
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Align four color transparencies, each one a single color (cyan, magenta, yellow, and black), and see a beautiful full color image.

Glue Stick Sunset
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In this activity, learners explore why the sky is blue. Learners model the scattering of light by the atmosphere, which creates the blue sky and red sunset, using a flashlight and clear glue sticks.

Momentum Machine: Speed up your spin
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Spin in an office chair holding milk jugs! Plus, learn physics. Very fun (but stay safe) activity from the Exploratorium Science Snacks series.

Center of Gravity
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A simple, yet fun activity that lets learners find the center of balance of a ruler (or any long thin object). Developed by the Exploratorium and no assembly needed.

The Crayon Rock Cycle
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In this activity, learners use crayons to draw conclusions about rocks and the rock cycle.

Holding Charge
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In this trick, learners discover how to stick a straw to the palm of their hand, window door, or anywhere using static electricity.