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Showing results 141 to 160 of 225

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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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From this How To slide show, you create an Audio Tape Bow that can play distorted audio sounds by running it across a tape head.

$1 - $5 per student Ages 8 - adult 45 to 60 minutes
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In this activity, learners will explore engineering concepts to construct a blanket fort using materials sourced from home.

free Ages 4 - adult 10 to 30 minutes
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This activity offers learners and their families several ways to raise their awareness together about home water.

free Ages 4 - adult 1 to 7 days
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Put on a pair of gloves and be the conductor of your invisible orchestra!

Over $20 per student Ages 8 - adult 45 to 60 minutes
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In this activity, learners use simple, everyday materials to experiment with balls and ramps.

Ages 4 - adult
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In this activity, learners use found natural materials to create a water haven for bees and other insects.

free Ages 4 - adult 10 to 30 minutes
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In this activity, learners discover why only some types of plastic can be recycled.

$1 - $5 per group Ages 14 - adult 45 to 60 minutes
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This hands-on activity demonstrates how a material can act differently when it's nanometer-sized.

$1 - $5 per group Ages 6 - adult Under 5 minutes
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In this activity (pages 32-41), learners learn how the atomic and molecular arrangement of matter are related to physical properties.

$5 - $10 per group Ages 14 - adult 45 to 60 minutes
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In this activity, learners determine the elastic and plastic properties of different types of metal wires.

$1 - $5 per group Ages 14 - adult 45 to 60 minutes
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In this activity (pages 8-9), learners investigate the properties of smart materials, which are materials that respond to things that happen around them.

$5 - $10 per student Ages 8 - adult 10 to 30 minutes
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In this activity, learners explore the chemical reaction between water and effervescent antacid tablets. This hands-on activity models how a material can act differently when it's nanometer-sized.

$1 - $5 per group Ages 4 - adult 5 to 10 minutes
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In this activity, learners use clear nail polish to create a beautiful iridescent pattern on black paper. Learners discover that a thin film creates iridescent, rainbow colors.

$1 - $5 per group Ages 4 - adult 5 to 10 minutes
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Agriculturalists have long considered mushroom growing a challenge, largely because you need a piece of benchtop equipment known as a laminar flow hood.

Over $20 per group Ages 11 - adult 1 to 4 weeks
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Visitors mix urea with water in one flask and mix calcium chloride with water in another flask. They observe that the urea flask gets cold and the calcium chloride flask gets hot.

$1 - $5 per group Ages 6 - adult Under 5 minutes
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In this activity, learners build a miniature wind tunnel to measure force. Learners construct the model out of Lexan plastic, a fan, and a precise digital scale.

Over $20 per group Ages 11 - adult 2 to 4 hours
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Visitors mix water and sodium bicarbonate (baking soda) in a large flask. They then add citric acid to the mixture and stopper the flask. The resulting reaction creates carbon dioxide gas.

$1 - $5 per group Ages 6 - adult Under 5 minutes
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Visitors separate a mixture of pebbles, salt crystals, and wood shavings by adding water and pouring the mixture through a strainer.

$1 - $5 per group Ages 6 - adult Under 5 minutes
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This is a simple activity for learners to create a traditional musical instrument. Pan Pipes have developed all over the world in different cultures, from South America to Greece and China.

$1 - $5 per student Ages 6 - adult 45 to 60 minutes