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In this activity, learners experience firsthand how marine animals' adaptive coloration camouflages them from prey.

$1 - $5 per group Ages 14 - 18 45 to 60 minutes
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Did you know that the water we use today is the same water found on Earth millions of years ago? The Earth constantly uses and recycles water in a process called the water cycle.

$5 - $10 per group Ages 8 - 14 1 to 7 days
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In this activity about electricity, learners produce a spark that they can feel, see, and hear. Learners rub a Styrofoam plate with wool to give it an electric charge.

$1 - $5 per student Ages 8 - 14 30 to 45 minutes
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In this activity, learners create channel features with flowing water, comparing their observations to real images of Mars and Earth taken by satellites/orbiters.

Over $20 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners design, build and test wind turbines. Learners go through the design process and use the scientific method to test important blade variables.

Over $20 per group Ages 8 - 18 2 to 4 hours
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In this activity, learners mimic remote sensing. Learners use a stick to measure the distance to a "planet surface" they cannot see, and create their own map of the landscape.

$5 - $10 per student Ages 6 - 11 10 to 30 minutes
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In this demonstration, learners investigate mass, gravity, and acceleration by dropping a wooden bar with a balloon attached to its underside, a mass suspended from it by rubber bands, and a sharp-poi

$5 - $10 per group Ages 11 - 18 5 to 10 minutes
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This activity was designed for blind learners, but all types of learners can explore means of physically separating a mixture using dissolving, filtration, and evaporation.

$1 - $5 per group Ages 11 - 18 10 to 30 minutes
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Just like birds, some dinosaurs had air-filled (pneumatic) bones, which made the dinosaurs' skeletons lighter.

$1 - $5 Ages 8 - 18 1 to 7 days
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This is a classic exercise for visualizing the scale of the Solar System.

1 cent - $1 per group Ages 6 - adult 45 to 60 minutes
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In this activity related to magnetism and electricity, learners create a magnetic field that's stronger than the Earth's magnetic field.

$5 - $10 per student Ages 8 - 14 10 to 30 minutes
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In this activity, learners make cool boxes out of old (or new) greeting cards or postcards.

free Ages 11 - 14 30 to 45 minutes
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In this activity, learners will develop a method to test five similar-looking powders (baking soda, baking powder, cream of tartar, detergent, and cornstarch) with four test liquids (water, vinegar, i

$1 - $5 per group Ages 6 - 14 45 to 60 minutes
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This activity was designed for blind learners, but all types of learners can play this game to learn about the major polyatomic ions (an ion that consists of two different elements).

$1 - $5 per student Ages 11 - 18 10 to 30 minutes
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In this activity, learners work in teams build and launch rubberband-powered foam rockets.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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Everybody loves boomerangs! In this activity about force and motion, the learners will experiment with boomerangs and explore how they work. This is a great activity to get learners up and moving.

$1 - $5 per student Ages 4 - 8 10 to 30 minutes
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In this activity, learners mix several sugar solutions to investigate the property of density. Each sugar solution has a different density and color of the rainbow.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
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This is a simple activity for learners to create a traditional musical instrument. Pan Pipes have developed all over the world in different cultures, from South America to Greece and China.

$1 - $5 per student Ages 6 - adult 45 to 60 minutes
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In this math activity related to light, learners explore why a light, such as a candle or a streetlight, looks dimmer the farther away from it we get.

$5 - $10 per student Ages 11 - 18 10 to 30 minutes
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In this activity, learners use beads, which represent amino acids, to create protein bracelets. Learners examine the relationship between amino acids and proteins.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes