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Showing results 1521 to 1540 of 1541

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What is the optimal environment for hatching brine shrimp? Using a scaffold, learners design and conduct experiments testing the effect of a single abiotic factor on brine shrimp cyst hatch rate.

Over $20 per group Ages 11 - 18 1 to 7 days
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In this activity (2nd activity on the page), learners explore the sensitivity of their sense of touch.

$1 - $5 per group Ages 4 - 18 5 to 10 minutes
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In this math activity related to volume, learners use problem solving skills to calculate and build a model house for Minus the dog.

1 cent - $1 per group Ages 8 - 11 10 to 30 minutes
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In this genetics activity, learners create imaginary creatures known as "Reebops" to explore the relationships between genes and inherited traits.

Over $20 per group Ages 8 - 14 1 to 2 hours
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In this quick and simple activity about reflexes (at the top of the webpage), learners conduct a simple test to explore pupillary response.

free Ages 8 - 18 Under 5 minutes
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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 build scaled-down structures and cantilevers in a series of "building out" challenges with bamboo skewers and tape.

$5 - $10 per group Ages 6 - 14 2 to 4 hours
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In this activity (7th activity on the page), learners use their sense of touch to identify mystery objects hidden in socks.

free Ages 4 - 18 5 to 10 minutes
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A group of learners simulates the spread of disease by trading slips of paper, one set of which has been treated with a baking soda solution.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners find as many combinations of a hundred as they can using various puzzle pieces from a hundred square grid paper.

1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
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In this activity, learners explore the great pump in their chests--the human heart!

$1 - $5 per group Ages 8 - 18 30 to 45 minutes
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In this activity, learners play a game that helps young mathematicians recognize how the numbers 0 through 5 are related. Learners toss five pompoms into circle made out of string on the floor.

$1 - $5 per group Ages 6 - 8 10 to 30 minutes
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In this experiment, learners investigate how the size of a wing affects lift. Learners count the number of pennies an egg crate plane wing can hold until the plane will no longer fly.

$10 - $20 per group Ages 8 - 11 45 to 60 minutes
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In this craft activity, learners will recognize, name, and compare the fractions 1/2, 1/4, and 1/8 by constructing a penguin out of portions of paper circles.

$1 - $5 per group Ages 4 - 11 30 to 45 minutes
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In this activity, learners explore how engineers have met the challenge of keeping foods, liquids, and other items cool.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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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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These math posters have questions written on them, such as: How fast can a cheetah run? or How long can a giant tortoise live? Post these around the room or leave them out for children to explore.

free Ages 6 - 14 30 to 45 minutes
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In this activity, learners put on their naturalist hats and explore the world around them.


free Ages 8 - 14 2 to 4 hours
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In this physical sciences activity, learners explore friction. Learners investigate the factors that affect the force required to move an object.


$5 - $10 per group Ages 8 - 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