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Showing results 101 to 120 of 253

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In this activity, learners construct a home-made journal with simple, everyday materials.

1 cent - $1 per group Ages 4 - adult 10 to 30 minutes
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In this outdoor activity, learners work in pairs using their senses—especially touch—to learn more about individual trees.

$5 - $10 per group Ages 8 - 18 1 to 2 hours
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In this activity (posted on March 27, 2011), learners follow the steps to construct a mini zoetrope, a device that produces an illusion of action from a rapid succession of static pictures.

1 cent - $1 per student Ages 6 - 18 1 to 2 hours
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In this two-part activity, learners map a navigation plan to get from Earth to Mars and back. In activity one, learners represent the orbital paths of Earth through dance and dramatic movement.

1 cent - $1 per group Ages 8 - 18 45 to 60 minutes
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In this two-part activity, learners investigate buoyancy, density and surface area as well as biodiversity and the relationship between the structure and function of organisms.

Over $20 per group Ages 8 - 18 1 to 2 hours
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In this activity on page 8 of the PDF (Behind the Scenes with Chemistry), learners make three of Harry Potter's essential school supplies: quills, ink, and color-changing paper.

$10 - $20 per student Ages 8 - 14 1 to 7 days
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In this family or group activity, learners create a nature journal by visiting a local nature center or backyard, observing creatures in their natural habitats, and sketching what they see.

1 cent - $1 per group Ages 6 - 11
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In this activity, learners will explore how water affects marker on filter paper. Learners will use science process skills such as making observations and predictions as they explore color.

$1 - $5 per student Ages 4 - 8 5 to 10 minutes
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In this activity, learners will create an optical illusion top. Learners will explore color mixing, physics and design through this activity.

$1 - $5 per student Ages 4 - 14 10 to 30 minutes
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In this activity, learners investigate color vision as well as plan and conduct their own experiments.

$5 - $10 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners will create their own bubble solution. Learners will explore chemistry, geometry and trial and error through this activity.

$5 - $10 per group Ages 4 - 14 10 to 30 minutes
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In this activity, learners create a straw oboe to explore sound and pitch.

1 cent - $1 per student Ages 6 - 14 5 to 10 minutes
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In this activity, learners create music from a series of bottles filed with water. Learners discover that the sound produced by each bottle depends on the amount of water in the bottle.

free Ages 4 - 11 10 to 30 minutes
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In this activity related to music and sound vibrations, learners make a phonograph or record player out of simple materials. First, learners assemble the turntable, arm, and sound cone.

$1 - $5 per group Ages 8 - 14 45 to 60 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 activity, learners make some music by constructing a kazoo out of a simple plastic drinking straw. Use this activity to explore sound, vibrations, and music.

1 cent - $1 per student Ages 6 - 11 Under 5 minutes
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In this activity, learners construct bug models that "jitter" all over the table with just a battery, motor, and counterweight.

$5 - $10 per student Ages 8 - 14 30 to 45 minutes
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In this activity, pairs of learners model how scientists use craters to determine the ages of lunar surfaces. One partner keeps time while the other creates a painting for the other to interpret.

$10 - $20 per group Ages 8 - 14 10 to 30 minutes
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In this activity on page 4 of the PDF (Behind the Scenes with Chemistry), learners make some special effects, including snow and breaking glass, with supplies found in the home.

$10 - $20 per student Ages 8 - 14 1 to 2 hours
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In this activity, learners experiment with their voices and noisemakers to understand the connections between vibrations and the sounds created by those vibrations.

$10 - $20 per group Ages 4 - 6 10 to 30 minutes