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Showing results 161 to 180 of 676

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In this activity, learners make their own "tornado" using two soda bottles and water.

free Ages 4 - 11 10 to 30 minutes
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In this engineering activity (page 3 of PDF), young learners investigate how a pole can be made stable by “planting” its base in the ground or adding supports to the base.

$1 - $5 per group Ages 4 - 8 30 to 45 minutes
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In this demonstration about momentum, use physics to distinguish between a hard-boiled egg and a raw egg without cracking them open.

1 cent - $1 per group Ages 4 - adult Under 5 minutes
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In this activity, learners explore the concept of permeability to better understand why amphibians are extremely sensitive to pollution.

1 cent - $1 per group Ages 4 - 14 4 to 24 hours
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In this activity, children and adults work together to explore their relationship with technology and examine ways to make sustainable media consumption choices.

$1 - $5 per group Ages 4 - 14 10 to 30 minutes
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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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Learners create their own piece of history by decorating, shattering, and piecing together a flowerpot "artifact".

$5 - $10 per student Ages 6 - 14 1 to 2 hours
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In this engineering activity (page 5 of PDF), young learners investigate how materials and design contribute to the strength of a structure, particularly walls.

$1 - $5 per group Ages 4 - 8 45 to 60 minutes
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Visitors observe a bottle with a balloon attached around the mouth. The bottle contains a solution of yeast, sugar, and water.

$1 - $5 per group Ages 6 - adult Under 5 minutes
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In this activity, learners explore how and why rainbows form by creating rainbows in a variety of ways using simple materials. Learners create rainbows indoors and outdoors.

1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
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In this outdoor activity, learners investigate spider webs and feeding behavior, particularly how spiders trap food in their sticky silk webs while not getting stuck themselves.

$5 - $10 per group Ages 6 - 18 45 to 60 minutes
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In this activity (located on page 7 of PDF), learners explore how Silly Putty was first invented and then attempt to make a batch of their own.

$10 - $20 per group Ages 4 - 11 45 to 60 minutes
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In this activity, learners create a gelatinous slime using guar gum powder and borax. Educators can use this simple activity to introduce learners to colloids.

$10 - $20 per group Ages 6 - 18 30 to 45 minutes
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In this activity on page 60, learners examine and simulate wildlife entanglement by experiencing what it might be like to be a marine animal trapped in debris.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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In this math activity, learners jump and measure how far they can jump on different surfaces using different jumping techniques.

1 cent - $1 per student Ages 4 - 8 10 to 30 minutes
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In this activity, learners explore deoxyribonucleic acid (DNA), a nanoscale structure that occurs in nature.

Over $20 per group Ages 6 - adult 10 to 30 minutes
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In this physics demonstration, learners are challenged to break a raw egg just by squeezing it. Learners will be shocked by their inability to complete the deceivingly simple challenge.

1 cent - $1 per group Ages 4 - adult Under 5 minutes
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In this activity, learners find out why some mineral sunblock rubs in clear. Learners compare nano and non-nano sunblocks and discover how particle size affects visibility.

$5 - $10 per group Ages 4 - adult 5 to 10 minutes
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In this activity, learners create their own obstacle course based on Bernoulli's Principle and try to get a floating ball from the start of their course to the finish line.

$5 - $10 per group Ages 6 - 18 30 to 45 minutes
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Learners investigate signs of a chemical reaction when they mix vinegar and baking soda. In addition to a gas being produced, learners also notice the temperature decreases.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes