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Showing results 421 to 428 of 428

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In this activity, learners make a foam packing peanut "flink"--neither float away nor sink--in water. Learners experiment with materials to make a Flinker that "flinks" for 10 seconds.

1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
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In this optics activity, learners use everyday materials to make a color wheel. When learners spin the wheel like a top, they will be surprised to see all the colors mixing together to appear white.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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In this optics activity, learners investigate afterimages.

1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
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In this activity, learners build bridges out of newspaper and tape to explore how structures are designed to bear loads.

1 cent - $1 per group Ages 4 - 11 2 to 4 hours
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In this activity, learners use earthworms as "unknown creatures" from the South American jungle to find out how animals use senses.

1 cent - $1 per student Ages 8 - 18 45 to 60 minutes
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In this activity, learners use sets of cards to assign microorganisms to different groups.

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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Learners will explore the scientific mystery behind a disappearing group of trees by examining data and attempting to explain the decline.

1 cent - $1 per group Ages 11 - 14 45 to 60 minutes
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In this activity, learners work together to make polygons (many-sided shapes) with string. Learners sit on the floor and hold onto a piece of string slid between their thumbs and index fingers.


1 cent - $1 per group Ages 4 - 8 30 to 45 minutes