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Telescoping Periscope
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In this activity, learners explore the many uses of periscopes and how this simple device was designed and is used in many applications.
Anti-Gravity Mirror
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In this demonstration, amaze learners by performing simple tricks using mirrors. These tricks take advantage of how a mirror can reflect your right side so it appears to be your left side.
Gray Step
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In this activity, learners discover that it's difficult to distinguish between two different shades of gray when they aren't separated by a boundary.
Rainbow Film
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In this activity, learners use clear nail polish to create a beautiful iridescent pattern on black paper. Learners discover that a thin film creates iridescent, rainbow colors.
Space Origami: Make Your Own Starshade
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In this activity, learners cut out and fold their own collapsible origami starshade, an invention that shields a telescope's camera lens from the light of a distant star so that NASA scientists can ex
Growing Food From Scraps
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In this activity, learners will explore vegetative propagation while preparing food scraps to grow into plants.
X-Ray Spectra
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In this activity, learners use simple materials to simulate the effect of X-rays in a safe way. Learners place a piece of window screen over a box and a cardboard pattern on top of the screen.
Falling Feather
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In this physics activity, learners recreate Galileo's famous experiment, in which he dropped a heavy weight and a light weight from the top of the Leaning Tower of Pisa to show that both weights fall
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.
Hopper Circus
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In this outdoor activity and/or field trip, learners investigate the behavior of hopping animals.
How to View a Solar Eclipse
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This is an activity to do when there is a solar eclipse!
Social Fireflies: Pico "Firefly" Communication
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Make two firefly lanterns, then program them to blink to one another and change colors.
Tasty Buds
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In this activity (1st activity on the page), learners explore their sense of taste and the structure of the tongue by taste-testing various foods.
Arduino Blink Challenge
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In this activity, learners explore computer programming and the impact of computers on society. Learners build and test a program to turn a light on and off using an Arduino board.
Our Place in Our Galaxy
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In this fun and simple hands-on astronomy activity, learners construct a model of our place in the Milky Way Galaxy and the distribution of stars, with a quarter and some birdseed.
Can Energy be Created or Destroyed?
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In this activity, learners explore conservation of energy by experimenting with a solar cell light device.
The Thousand-Yard Model
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This is a classic exercise for visualizing the scale of the Solar System.
Does the Moon Rotate?
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This fun and simple hands-on astronomy activity lets learners make 3-dimensional models of the Earth and Moon.
Penny Battery
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In this activity, learners light an LED with five cents. Learners use two different metals and some sour, salty water to create a cheap battery.
Safe in the Sun
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In this activity on page 13 of the PDF, use a special plastic card that has been painted with a chemical that changes color when it is in UV light.