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Showing results 821 to 840 of 1066

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This activity helps students learn how computers "compress" text by identifying repeating patterns of letters, words, and phrases.

1 cent - $1 per student Ages 8 - adult 30 to 45 minutes
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In this activity, learners explore the parts of a circuit by modeling, as a group, a “human” circuit.

free Ages 6 - 11 10 to 30 minutes
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In this design challenge, learners build a boat that paddles itself using a rubber band as its power source.

$1 - $5 per student Ages 8 - 14 30 to 45 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, learners create a mixture of water, alcohol and permanent marker ink, and then add salt to form a colored alcohol layer on top of a colorless water layer.

$1 - $5 per group Ages 11 - 14 45 to 60 minutes
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This is an activity (located on page 3 of the PDF under Nanosilver Activity) about diffusion of small molecules across cell membranes.

$10 - $20 per group Ages 8 - 14 1 to 7 days
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In this activity, learners build bridges using paper and explore how much weight each bridge design can support.

1 cent - $1 per group Ages 4 - 11 45 to 60 minutes
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In this activity, learners design miniature cars. Learners can create a telephone car, soccer car, merry-go-round car, or any other theme car they can imagine.

$1 - $5 per student Ages 6 - 14 1 to 2 hours
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In this activity, learners create night lights using a plastic cup, programmable PICO Cricket, tri-color LED, and sensor.

$1 - $5 per student Ages 8 - 18 30 to 45 minutes
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In this activity, learners create painting machines that can paint moving forwards and backwards.

$1 - $5 per student Ages 8 - 18 30 to 45 minutes
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In this activity, learners build bridges and cantilevers in a series of "building out" challenges with straws and pins.

$1 - $5 per group Ages 4 - 14 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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Build a pinwheel that works without wind! This activity contains steps on how to build a parachuting pinwheel out of paper, a film canister, and some brads.

1 cent - $1 per student Ages 4 - 8 30 to 45 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 design challenge activity, learners invent a way to send a Ping-Pong ball flying high enough to catch it - like football with a twist!

$1 - $5 per student Ages 8 - 14 30 to 45 minutes
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In this activity, learners will trick out their bike with crafts and flair. Learners will explore symmetry, cause and effect and design through this activity.

$1 - $5 per student Ages 4 - 14 30 to 45 minutes
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Learners shred used paper, add water, and blend it into pulp. They then strain and roll the pulp out to make new paper.

$5 - $10 per group Ages 8 - 18 4 to 24 hours
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In this activity, learners will explore nature by creating food for birds. Learners will develop fine motor skills and engage in nature observation through this activity.

$5 - $10 per student Ages 4 - 14 30 to 45 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