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Showing results 701 to 720 of 1215

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In this activity, learners will be introduced to biomass gasification and will generate their own biomass gases.

Over $20 per group Ages 14 - 18 2 to 4 hours
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In this quick activity about predicting (located on page 2 of the PDF under Where's Nano?

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners explore the concept of conducting or insulating electricity.

$5 - $10 per group Ages 8 - 11 1 to 2 hours
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This simulation of laparoscopic surgery enables learners to practice and to learn this modern surgical technique.

Over $20 per group Ages 14 - 18 45 to 60 minutes
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Scientists use enormous wind tunnels to test the design of planes, helicopters, even the Space Shuttle.

$5 - $10 per group Ages 6 - 14 10 to 30 minutes
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In this optics activity, learners use glass and water to demonstrate total internal reflection (TIR).

free Ages 8 - 14 Under 5 minutes
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In this physical sciences activity, learners explore how passive solar design increases energy efficiency.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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In this small-group activity, learners assume the roles of pilots, air traffic controllers, and NASA scientists to solve five Air Traffic Control (ATC) problems.

$5 - $10 per group Ages 8 - 18 1 to 7 days
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Electrolysis is the breakdown of water into hydrogen and oxygen. This Exploratorium activity allows learners to visualize the process with an acid-based indicator.

$1 - $5 per student Ages 8 - 18 10 to 30 minutes
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Learners assemble a hot-air balloon from tissue paper. The heated air (from a heat gun) inside the balloon is less dense than the surrounding air and causes the balloon to float.

$1 - $5 per student Ages 8 - 18 30 to 45 minutes
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In this activity, learners build penetrometers to test leaf toughness. Biologists measure leaf toughness to study the feeding preferences of insects and bugs.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this three-part activity, learners use paper to explore Bernoulli's Principle — fast-moving air has lower pressure than non-moving air.

1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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In this activity, learners explore electronics and motion by making a Scribbling Machine, a motorized contraption that moves in unusual ways and leaves a mark to trace its path.

$5 - $10 per group Ages 11 - adult 1 to 2 hours
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In this activity (posted on April 18, 2011), learners follow the steps to construct a zoetrope, a device that produces an illusion of action from a rapid succession of static pictures, using a 16" bik

Over $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners explore the properties of metals at four stations. The stations include A) Magnetism and Breakfast Cereal; B) Conductivity of Metals; C) Alloys; and D) Metal Plating.

$10 - $20 per group Ages 8 - 11 45 to 60 minutes
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In this activity, learners use their strength to light a light bulb. A chain made from paper clips is placed in series with a battery and flashlight bulb.

$5 - $10 per group Ages 11 - 18 10 to 30 minutes
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In this game, learners walk through an imaginary Carbon Cycle and explore the ways in which carbon is stored in reservoirs and the processes that transport the carbon atom from one location to another

free Ages 11 - 18 45 to 60 minutes
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In this math lesson, learners explore the relationship between the thickness of a spaghetti bridge, the length of the bridge, and the amount of weight that can be supported by the bridge.

$5 - $10 per group Ages 14 - 18 45 to 60 minutes
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In this activity, learners are invited to imagine the park of their dreams!

$1 - $5 per group Ages 4 - 11 45 to 60 minutes
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In this outdoor activity, learners simulate an oil spill using popcorn (both oil and popcorn float on water), and estimate the spill's impact on the environment.

$10 - $20 per group Ages 8 - 14 45 to 60 minutes