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Showing results 341 to 360 of 445

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In this activity about transfer of energy, learners get to build their own catapult using nothing more than a plastic spoon and some tape.

$5 - $10 per student Ages 6 - 14 10 to 30 minutes
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In this activity, learners will explore the chemistry of cooking. They will learn about--and observe--the Maillard Reaction as they make their own browned butter.

$5 - $10 per student Ages 14 - adult 5 to 10 minutes
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In this activity, learners explore the concept of how brakes can stop or slow mechanical motion.

$5 - $10 per group Ages 8 - 11 45 to 60 minutes
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In this optics activity, learners examine how polarized light can reveal stress patterns in clear plastic.

$5 - $10 per group Ages 8 - 18 5 to 10 minutes
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Cool off in the heat with this project! Learners use simple materials to build a fan that runs on a motor.

$5 - $10 per student Ages 8 - 18 10 to 30 minutes
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In this activity (located on page 10 of the PDF), learners explore the properties of spraying and dripping water, while making art.

$5 - $10 per group Ages 4 - 8 10 to 30 minutes
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In this design challenge activity, learners invent a device that will make their friends and family ask, "What's buzzing?" Learners design an alarm with an on/off switch that is small enough to hide.

$5 - $10 per student Ages 8 - 14 10 to 30 minutes
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In this activity, learners prepare four polymer elastomers and then compare their physical properties, such as texture, color, size, and bounce height.

$5 - $10 per group Ages 4 - 14 1 to 2 hours
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In this activity about magnetism (page 15 of the PDF), learners will explore how opposite and similar magnetic poles affect a swinging (pendulum) magnet.

$5 - $10 per group Ages 6 - 14 10 to 30 minutes
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This fun and simple hands-on astronomy activity demonstrates the shadow of the Earth as it rises as a dark blue shadow above the eastern horizon.

$5 - $10 per group Ages 6 - adult 10 to 30 minutes
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Learners shine the light of a laser pointer through sheets of fabric that all have a different number of threads per inch.

$5 - $10 per group Ages 11 - 14 10 to 30 minutes
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In this activity, learners will use cereal to conduct an experiment and investigate how decreased bone density is related to increased risk of bone fracture.

$5 - $10 per group Ages 8 - 18 1 to 2 hours
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In this technology activity, learners build an "alarming" doormat to keep siblings out of their rooms. Use this activity to teach learners about circuits, switches, and sensors.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
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In this design challenge activity, learners investigate series circuits and motors to build a hand-held "kick stick." Their goal is create a battery-operated device that sends a Ping-Pong ball across

$5 - $10 per student Ages 8 - 14 45 to 60 minutes
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In this activity, learners prepare four polymer elastomers and then compare their physical properties, such as texture, color, volume, density, and bounce height.

$5 - $10 per group Ages 14 - adult 1 to 2 hours
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In this design challenge activity, learners build a machine that kicks a Ping-Pong ball into a cup lying on its side 12 inches away.

$5 - $10 per student Ages 8 - 14 30 to 45 minutes
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In this physics activity (page 2 of the PDF), learners will explore the concept of thermal conductivity and learn the differences between high and low thermal conductivity.

$5 - $10 per group Ages 6 - 11 10 to 30 minutes
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In this activity, learners create a model of a hot air balloon using tissue paper and a hairdryer. Educators can use this activity to introduce learners to density and its role in why things float.

$5 - $10 per group Ages 6 - 14 1 to 2 hours
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In this activity, learners use pop-beads to understand the characteristics and properties of polymer chains.

$5 - $10 per student Ages 14 - adult 10 to 30 minutes
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In this activity, learners make instant ice cream without using a freezer.

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