# Search Results

Showing results 1 to 13 of 13

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In this math lesson, learners use hinged mirrors to discover that regular polygons are composed of triangles tessellating around a center point.

1 cent - \$1 per group Ages 8 - 11 1 to 2 hours
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Groups of learners are provided with a generic car base and an egg. Their mission: design a device/enclosure to protect the egg on or in the car as it rolls down a ramp with increasing slopes.

Over \$20 per group Ages 11 - 18 1 to 2 hours
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In this optics activity, learners explore how many objects they can see in a set of mirrors (hinged like a book) at various angles.

1 cent - \$1 per student Ages 8 - 14 10 to 30 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, learners use a hand-made protractor to measure angles they find in playground equipment.

1 cent - \$1 per student Ages 11 - 14 10 to 30 minutes
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In this game, learners are stuck in a right turn only world! Learners take turns rolling a die and moving their game pieces along the lines of a grid to get "home," by only making right turns.

free Ages 8 - 11 10 to 30 minutes
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This activity helps learners understand how the angle of the Sun affects temperatures around the globe.

\$1 - \$5 per group Ages 11 - 18 45 to 60 minutes
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This activity (8th activity on the page) tests learners' ability to identify things using only the sense of hearing.

free Ages 8 - 18 5 to 10 minutes
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In this activity, learners use a compact disc to make a spectrometer, an instrument used to measure properties of light.

\$1 - \$5 per student Ages 11 - 18 30 to 45 minutes
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In this activity, learners construct three quick and simple mechanisms to start building a pop-up book. Learners fold, cut, and glue paper to make a bird beak, parallelogram, and V-fold.

1 cent - \$1 per student Ages 6 - 14 30 to 45 minutes
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In this math activity, learners observe and sketch cracking patterns in pavement.

1 cent - \$1 per student Ages 11 - 18 10 to 30 minutes
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In this activity (page 10 of PDF), learners approximate the area of the uppermost cross section of an impact crater using a variety of square grids.

\$5 - \$10 per student Ages 8 - 14 45 to 60 minutes
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In this activity, learners create angle-measuring devices--protractors--out of paper. Learners follow a series of steps to fold a square sheet of paper into a triangular Pocket Protractor.

1 cent - \$1 per student Ages 11 - 18 5 to 10 minutes