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Showing results 1 to 20 of 51

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This activity lets you program your 'robot' (a willing friend) to pick up and dispose of some 'toxic waste' using as few commands as possible.

1 cent - $1 per group Ages 8 - 18 10 to 30 minutes
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This activity explores the main algorithms that are used as the basis for searching on computers, using different variations on the game of battleships.

1 cent - $1 per group Ages 8 - adult 30 to 45 minutes
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In this activity (on pages 41-47 of PDF), learners explore tesselating geometric patterns (repeated shapes, similar to the art of M.C. Escher).

1 cent - $1 per student Ages 4 - adult 45 to 60 minutes
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In this activity (18th on the page), learners conduct an experiment to examine memory.

1 cent - $1 per student Ages 11 - 18 45 to 60 minutes
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In this math lesson, learners explore polynomial and rational function patterns.

1 cent - $1 per group Ages 14 - 18 45 to 60 minutes
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In this activity, learners "dance" (move back and forth at varying speeds) by reading a graph. This is a kinesthetic way to help learners interpret and understand how motion is graphed.

1 cent - $1 per group Ages 11 - 18 10 to 30 minutes
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In this tabletop activity (on pages 32-40), learners make Möbius strips -- 3D surfaces with only one side.

1 cent - $1 per student Ages 4 - adult 10 to 30 minutes
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In this activity, learners calculate the percentage of oxygen in the atmosphere by using steel wool's ability to rust.

1 cent - $1 per student Ages 11 - 18 1 to 7 days
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In this activity, learners help a poor cartographer color in the countries on a map, making sure each country is colored a different color than any of its neighbors.

1 cent - $1 per group Ages 6 - 18 30 to 45 minutes
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In this activity related to climate change, learners examine albedo and the ice albedo feedback effect as it relates to snow, ice, and the likely results of reduced snow and ice cover on global temper

1 cent - $1 per group Ages 14 - 18 45 to 60 minutes
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In this activity, learners will measure the length of a shadow and use the distance from the equator to calculate the circumference of the earth.

1 cent - $1 per group Ages 8 - 18 10 to 30 minutes
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In this activity about tangrams, learners print and cut out their own tangram shapes and solve puzzles by fitting these geometric pieces together in a variety of ways.

1 cent - $1 per student Ages 4 - adult 45 to 60 minutes
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In this design challenge activity, learners build a rubber band-powered rover that can scramble across the room.

1 cent - $1 per student Ages 11 - 18 30 to 45 minutes
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Wheels aren't the only things that can "roll" objects that are placed on top of it. Make non-intuitive shapes from cutouts and a compass to demonstrate this.

1 cent - $1 per student Ages 6 - 18 5 to 10 minutes
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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.

1 cent - $1 per student Ages 6 - 18 Under 5 minutes
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What's a more compelling problem to solve than being stranded on a deserted island?

1 cent - $1 per student Ages 6 - adult 30 to 45 minutes
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In this two-part activity, learners map a navigation plan to get from Earth to Mars and back. In activity one, learners represent the orbital paths of Earth through dance and dramatic movement.

1 cent - $1 per group Ages 8 - 18 45 to 60 minutes
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Design a vessel that tests the limits of wind power given a set of off the shelf and recycled materials.

1 cent - $1 per student Ages 6 - adult 30 to 45 minutes
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A design challenge that takes paper airplanes into an entirely different direction: a magnus glider uses cups and and rubber bands to create a glider that uses the same forces that a curveball (from b

1 cent - $1 per student Ages 4 - adult 10 to 30 minutes
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In this activity (on pages 49-54 of PDF), learners play with tangrams, a set of triangles, squares and a parallelogram that can combine into a larger square as well as all sorts of other shapes.

1 cent - $1 per student Ages 4 - adult 45 to 60 minutes