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Showing results 401 to 420 of 1372

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This activity was designed for blind learners, but all types of learners can use it to investigate heterogeneous and homogeneous mixtures and solutions, identify the differences, and explore the conce

$1 - $5 per student Ages 11 - 18 10 to 30 minutes
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In this math activity, based on the research of famed astronomer Frank Drake, learners calculate the possibilities of finding intelligent life elsewhere in the universe besides Earth.

1 cent - $1 per group Ages 11 - adult 45 to 60 minutes
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In this activity (posted on March 14, 2011), learners follow the steps to construct a camera projector to explore lenses and refraction.

$5 - $10 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners make their own heat waves in an aquarium.

$5 - $10 per group Ages 8 - 18 10 to 30 minutes
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Use this model to demonstrate the goal of NASA's Kepler Mission: to find extrasolar planets through the transit method.

Over $20 per group Ages 11 - 18 10 to 30 minutes
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This activity guide includes instructions on how to build a "Shake Table" by mounting an eccentric mass (off center) on the shaft of a small dc motor.

Over $20 per group Ages 11 - 18 45 to 60 minutes
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In this activity, learners explore physics by building a catapult that launches marshmallows with household objects.

$5 - $10 per student Ages 8 - adult 30 to 45 minutes
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In this activity, learners learn about friction by making their own miniature hovercraft.

$5 - $10 per student Ages 11 - adult
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In this activity, learners will measure the length of a shadow and use the distance from the equator to calculate the circumference of the earth.

1 cent - $1 per group Ages 8 - 18 10 to 30 minutes
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In this activity, learners discover how solar energy can be used to heat water.

$1 - $5 per group Ages 11 - 18 45 to 60 minutes
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In this activity, learners follow simple directions to explore and create platonic solids.

1 cent - $1 per student Ages 11 - 18 30 to 45 minutes
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In this activity, learners work in teams to investigate the relationship between mass, acceleration, and force as described in Newton's second law of motion.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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In this activity, learners use a simple 3D model to discover why the Moon has phases.

$5 - $10 per group Ages 6 - adult 10 to 30 minutes
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In this activity, learners make a model of a power plant that uses steam. Learners use simple materials like foil, a tin can, and a pot of water to model a geothermal power plant.

$1 - $5 per student Ages 8 - 18 30 to 45 minutes
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In this activity about tangrams, learners print and cut out their own tangram shapes and solve puzzles by fitting these geometric pieces together in a variety of ways.

1 cent - $1 per student Ages 4 - adult 45 to 60 minutes
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In this activity, learners will test soil content using their sample, some water and a container that seals.

1 cent - $1 per student Ages 4 - adult Under 5 minutes
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What's a Pickle-Oh? Two pieces of pickle on a stick are connected to a Pico Cricket (micro controller). When you slide the pickles apart the note changes.

Over $20 per student Ages 8 - 18 10 to 30 minutes
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In this activity/demo, learners investigate biobarcodes, a nanomedical technology that allows for massively parallel testing that can assist with disease diagnosis.

$10 - $20 per group Ages 6 - adult 5 to 10 minutes
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In this kinesthetic activity, learners move pom-pom "ions" across a membrane to simulate how an action potential is propagated along an axon.

$5 - $10 per group Ages 11 - 18 45 to 60 minutes
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Learners turn over a random selection of cards from a larger set. From the words revealed, they try to determine the sentence represented on the larger set of cards.

1 cent - $1 per group Ages 11 - 18 30 to 45 minutes