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Showing results 821 to 840 of 1888

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In this activity, learners build an electromagnet using a nail, a cork, a battery, and electrical wire. Use this activity to demonstrate how electric currents produce magnet fields.

$5 - $10 per student Ages 8 - 11 30 to 45 minutes
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In this activity, learners will investigate the sounds of the heart.

$1 - $5 per group Ages 6 - 14 30 to 45 minutes
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In this activity, learners separate a mixture of pebbles, salt crystals, and wood pieces. They add water and pour the mixture through a strainer.

$1 - $5 per group Ages 4 - adult Under 5 minutes
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In this simple and fun activity, learners build a tower of cups to explore distribution of weight. Learners make predictions about their towers and test their designs.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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In this activity about states of matter, learners get to witness firsthand the awesome power of air pressure. They watch as an ordinary soda can is crushed by invisible forces.

free Ages 8 - 11 10 to 30 minutes
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In this activity on page 6 of the PDF, learners use glue instead of glass to create artwork that can be hung in a window.

$1 - $5 per student Ages 6 - 14 4 to 24 hours
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This activity provides instructions for making an aircraft that can really fly using a straw and paper hoops!

$1 - $5 per student Ages 4 - 11 10 to 30 minutes
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In this activity on page 7 of the PDF (Chemistry—It’s Elemental), learners use iodine to identify foods that contain starch.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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In this activity, learners simulate the energy transfer between the earth and space by using the light from a desk lamp desk lamp with an incandescent bulb and a stack of glass plates.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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In this activity on page 10 of the PDF, learners develop an experiment to answer the following question: "How much water can the hydrogel in a baby diaper hold?" Use this activity to explore polymers,

$1 - $5 per student Ages 8 - 18 10 to 30 minutes
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Cardboard Automata are a playful way to explore simple machine elements while creating a mechanical sculpture.

$5 - $10 per student Ages 8 - adult 1 to 2 hours
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In this activity, learners use design thinking to design and build their own bridge out of household materials including adhesives and/or connectors.

$1 - $5 per student Ages 6 - 18 30 to 45 minutes
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In this outdoor activity/game, learners use thermometers to simulate how lizards survive in habitats with extreme temperatures.

$5 - $10 per group Ages 8 - 18 45 to 60 minutes
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In this activity, learners create a biosphere in a baggie.

$1 - $5 per student Ages 4 - 11 1 to 7 days
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In this engineering/design/arts and crafts activity, learners design and build "platforms" or "bridges" that can hold weight, and test which glue makes the strongest structure.

$1 - $5 per student Ages 6 - 14 1 to 2 hours
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In this activity, learners construct a paper glider to experiment with aerodynamic forces.

1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
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In this activity about the relationship between food and energy (page 8 of PDF), learners estimate average daily baseline energy (Calorie) needs and energy needs for different levels of activity.

free Ages 8 - 14 45 to 60 minutes
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In this sunny day experiment, learners measure and compare how quickly light and dark colored materials absorb heat.

$5 - $10 per group Ages 8 - 14 10 to 30 minutes
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This activity provides step-by-step instructions on how to build a rain stick, a musical instrument originating in South America.

$1 - $5 per student Ages 6 - 11 10 to 30 minutes
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In this activity about electricity, learners build and test a paper clip switch to turn on a light bulb.

$10 - $20 per group Ages 8 - 11 10 to 30 minutes