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Showing results 861 to 880 of 1003

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In this activity, learners explore clouds and how they form.

$1 - $5 per group Ages 8 - 18 5 to 10 minutes
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Learners experiment with a commercial photo-sensitive paper (Sunprint® or NaturePrint® paper). They place opaque and clear objects on the paper and expose it to bright light, observing the results.

$5 - $10 per group Ages 6 - adult Under 5 minutes
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In this activity, learners explore how the process of folding has impacts on engineering and is evident in nature.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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This is a quick activity/demonstration that introduces learners to the concept of index of refraction. Learners place stirring rods in a jar of water and notice they can see them clearly.

1 cent - $1 per group Ages 8 - 18 Under 5 minutes
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Play-Doh is conductive! Use the semiconductive qualities of Play-Doh to make your own squeezable instrument. Pico Cricket is required.

Over $20 per group Ages 6 - adult 45 to 60 minutes
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Build a catapult that transforms the potential energy of a twisted rubber band into kinetic energy. Experiment with design variations so that you can hit a target with a projectile.

1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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In this activity, learners simulate nature's water filtration system by devising a system that will filter out both visible and invisible pollutants from water.

$5 - $10 per group Ages 8 - 18 1 to 2 hours
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This activity is about collecting and analyzing DNA as part of a criminal investigation.

1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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In this activity, learners construct a three-dimensional ambiguous cube to explore visual illusions and how our brains interpret or misinterpret information.

$1 - $5 per student Ages 8 - 18 10 to 30 minutes
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The "Rocket Reactions" activity is an exciting way to learn about how materials interact, behave, and change.

$5 - $10 per group Ages 6 - adult 5 to 10 minutes
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In this lab (Activity #2 on page), learners compare bacteria growth on two petri dishes containing nutrient agar. Learners touch the doors, faucets, etc.

$1 - $5 per group Ages 8 - 18 1 to 7 days
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This activity was designed for blind learners, but all types of learners can explore the process used to cast and mold molten metal, glass, and plastics.

$10 - $20 per group Ages 8 - 18 4 to 24 hours
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Working in small teams, learners try to build a satellite that can float for at least five seconds in the marked area of a vertical wind tube.

Over $20 per group Ages 8 - 18 10 to 30 minutes
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In this activity, learners are challenged to design and build a system of gears and kinematics to create a hand-stamping machine.

Over $20 per group Ages 8 - 18 30 to 45 minutes
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Learners place their hands on different metals and use an ammeter to monitor the flow of electricity from one metal to another.

$10 - $20 per group Ages 8 - 18 5 to 10 minutes
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In this activity (on pages 25-32 of PDF), learners make models of the inner ear out of pipe cleaners.

1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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In this activity, learners design and build a NASA rover using raw pasta and candy with a limited imaginary budget.

$5 - $10 per group Ages 8 - 18 30 to 45 minutes
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In this activity (page 6 of the PDF), learners will observe both a chemical and a physical change.

Over $20 per group Ages 8 - 18 4 to 24 hours
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In this activity related to the famous "Stroop Effect," learners explore how words influence what we see and how the brain handles "mixed messages." Learners read colored words and are asked to say th

free Ages 8 - 18 10 to 30 minutes
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In this physics activity (page 2 of the PDF), learners will construct their own walkalong glider. They will explore how air, though invisible, surrounds and affects other objects.

$1 - $5 per student Ages 8 - 18 30 to 45 minutes