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Showing results 161 to 180 of 227

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In this activity, learners explore color, light and shadow by creating their own puppets to hold in front of a light source.

$10 - $20 per group Ages 4 - 6 10 to 30 minutes
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Learners examine the properties of light by experimenting with an LED-flashlight and polarizing filters. When two polarizers are used, they block all light when they are placed at right angles.

$10 - $20 per group Ages 11 - 14 10 to 30 minutes
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This guided inquiry three-part activity engages learners in thinking about the mechanism of natural selection by encouraging them to formulate questions that can be answered through scientific investi

$10 - $20 per group Ages 11 - 18 2 to 4 hours
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In this activity, learners use various dress-up or costume pieces to play a game of change.

$10 - $20 per group Ages 4 - 8 5 to 10 minutes
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Learners take a field trip along a local body of water and conduct a visual survey to discover information about local land use and water quality.

$10 - $20 per group Ages 11 - 18 1 to 2 hours
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This lesson challenges groups of learners to design and construct a wind generator with the most electrical output.

$10 - $20 per group Ages 11 - 14 2 to 4 hours
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In this activity, learners use aluminum trays and wooden blocks to form stream tables to investigate river formations in two different landscape scenarios.

$10 - $20 per group Ages 11 - 14 45 to 60 minutes
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In this outdoor activity, learners search for the warmest and coolest, windiest and calmest, wettest and driest, and brightest and darkest spots in an area.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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This is an activity (on page 2 of the PDF under Surface Area Activity) about surface area to volume ratio.

$10 - $20 per group Ages 8 - 14 30 to 45 minutes
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In this outdoor activity, learners make their own organic-rich soil. Depending on where this activity is done, learners will probably discover that their local soil is low in organic matter.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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In this activity, learners create volcanoes like those they have examined on Earth and Mars through images taken by spacecraft.

$10 - $20 per group Ages 8 - 14 10 to 30 minutes
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In this archaeology meets art activity, learners make a mosaic and consider the ways in which art communicates.

$10 - $20 per group Ages 8 - 18 1 to 7 days
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In this outdoor activity, learners compare the moisture released from different kinds of leaves and from different parts of the same leaf, by observing the color change of cobalt chloride paper.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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In this activity, learners perform an experiment to find out what determines a flower's color.

$10 - $20 per group Ages 11 - 14 45 to 60 minutes
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In this outdoor activity and game, learners roundup a "herd" of hopping insects and find out how many different kinds or species are in their herd.

$10 - $20 per group Ages 8 - 14 45 to 60 minutes
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This activity (on page 2 of the PDF under SciGirls Activity: Tug O' War) is a full inquiry investigation into tug-of-war physics. Groups of learners will test two tug-of-war strategies.

$10 - $20 per group Ages 8 - 14 2 to 4 hours
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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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In this activity, learners are divided into teams.

$10 - $20 per group Ages 14 - 18 2 to 4 hours
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In this activity (located on page 6 of PDF), learners observe and reproduce the distinctive physical features (i.e. plates, sharp spikes, long necks, deep jaws, claws) of their favorite dinosaurs.

$10 - $20 per group Ages 4 - 11 1 to 7 days
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This fun and simple hands-on astronomy activity lets learners experiment with a bucket, stretchy fabric, marbles, and weights to discover some basics about gravity.

$10 - $20 per group Ages 6 - adult 10 to 30 minutes