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Showing results 2961 to 2980 of 3074

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Learners add drops of alginate solution to a solution of calcium chloride. The alginate does not mix with the calcium chloride, but forms soft gel beads.

per group Ages 8 - adult 5 to 10 minutes
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Experiment with force and pressure by building a balloon rocket. When launched, the balloon will run a track wherever you place the string.

1 cent - $1 per student Ages 4 - 11 30 to 45 minutes
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In this activity, learners use crayons to draw conclusions about rocks and the rock cycle.

$5 - $10 per group Ages 8 - 18 45 to 60 minutes
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In this hands-on nature activity, learners observe the emergence of leaves and flowers. Branches from trees and bushes are collected in the early spring, brought indoors, and placed in water.

$1 - $5 per group Ages 8 - 14 1 to 12 months
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In this trick, learners discover how to stick a straw to the palm of their hand, window door, or anywhere using static electricity.

1 cent - $1 per student Ages 8 - 18 5 to 10 minutes
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In this environmental engineering activity, learners build windmills using everyday items. The first challenge is to build windmills that spin when placed in front of a fan.

$10 - $20 per group Ages 8 - 14 2 to 4 hours
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In this nutrition activity (page 2 of the PDF), learners will be split up into food groups (Fruit, Vegetable, Meat & Beans, Grain, and Dairy) and draw a picture of their favorite food from their g

1 cent - $1 per student Ages 4 - 11 10 to 30 minutes
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In this activity, learners will participate in a scavenger hunt involving sizes, shapes, and numbers. This activity works well with a whole group, individuals, or families.

1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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This creative lesson plan provides a visual way for learners to gain knowledge about the finite amount of fresh water on Earth and encourages the discussion of the various ways to conserve this resour

$1 - $5 per group Ages 6 - 14 10 to 30 minutes
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Learners press their fingertip onto a clean Plexiglas sheet. The fingerprints are then revealed as learners dust over the print with fingerprint powder.

$1 - $5 per group Ages 6 - adult Under 5 minutes
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Learners design and build a roller coaster using simple materials. Learners experiment with potential and kinetic energy to get a marble to follow a track into a cup.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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In this mechanical engineering activity, learners design shadow puppets with moving parts and use them to tell stories.

$10 - $20 per group Ages 8 - 14 2 to 4 hours
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This activity features two connected hands-on activities about dinosaur bones.

$1 - $5 Ages 8 - 18 1 to 7 days
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In this activity, learners will investigate and compare the root systems of plants. Explore how weed and edible plant roots differ, and take a closer look inside with the careful use of a knife!

$1 - $5 per group Ages 4 - 18 10 to 30 minutes
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In this activity, learners make balloon models of disease-causing bacteria.

$5 - $10 per group Ages 6 - 18 10 to 30 minutes
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This is an activity where learners will discover what types and how many insects live in their own backyard.

$1 - $5 per student Ages 4 - 18 30 to 45 minutes
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In this optics activity, learners discover that when they rotate a special black and white pattern called a Benham's Disk, it produces the illusion of colored rings.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners investigate the food, water, and space needs of common livestock animals.

free Ages 8 - 18 45 to 60 minutes
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In this engineering activity, learners design and build a mechanical arm to lift a small item.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
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This activity introduces learners to wolf behavior and communication.

Over $20 per group Ages 6 - 11 10 to 30 minutes