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Showing results 441 to 460 of 1904

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This activity explores the basic workings of a siphon, which is the core technology that makes toilets work.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners explore watercraft engineering and sailing.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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This quick demonstration (on page 11 of PDF) allows learners to understand why scientists think water ice could remain frozen in always-dark craters at the poles of the Moon.

$1 - $5 per group Ages 6 - adult 5 to 10 minutes
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In this activity, learners explore the function and engineering of dams and how dams have many uses and solve many problems in the world.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners explore engineering package designs that meet the needs of safely shipping a product.

$5 - $10 per group Ages 8 - 18 1 to 7 days
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In this pencil and paper activity, learners work in pairs and simulate how astronomical spacecraft and computers create images of objects in space.

1 cent - $1 per group Ages 8 - 14 30 to 45 minutes
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Learners investigate one factor affecting reaction rates: temperature. In a darkened room, two identical lightsticks are placed in water -- one in hot water and one in cold water.

$1 - $5 per student Ages 6 - 14 5 to 10 minutes
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In this engineering design challenge, learners build an air-powered spinning machine.

$1 - $5 per group Ages 4 - 18 1 to 2 hours
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In this activity, learners explore the history, design and motion of spinning tops. Learners work in teams of "engineers" to design and build their own tops out of everyday items.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners build a hot air balloon using just a few sheets of tissue paper and a hair dryer.

$1 - $5 per student Ages 6 - 18 30 to 45 minutes
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Learners build a lever and use it to lift a load. With the load on one end of the ruler, learners add coins to the effort cup at the other end until the load is lifted.

1 cent - $1 per student Ages 8 - 14 10 to 30 minutes
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In this activity, learners work in NASA teams to build balloon-powered rockets using identical parts and compete to launch the greatest number of paper clips to "space" (the ceiling).

$10 - $20 per group Ages 8 - 14 1 to 2 hours
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Margaret Pezalla-Granlund, a Minnesota artist, came up with this really fun and surprising activity using graphite from a pencil, connected with a Pico Cricket to tell a story: "The first time I saw s

Over $20 per group Ages 8 - adult 2 to 4 hours
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In this quick activity/demonstration about density, learners examine what happens when two cans of root beer--one diet and one regular--are placed in a large container of water.

1 cent - $1 per group Ages 4 - 14 Under 5 minutes
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In this activity, learners build helicopters and launchers using wooden dowels and scrap paper. Use this activity to explore rotational motion and kinetic and potential energy.

$5 - $10 per student Ages 6 - 14 45 to 60 minutes
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In this team design challenge (page 11-18 of PDF), learners design and build a Landing Pod for a model Lunar Rover (previously built in activity on page 1-10 of PDF).

$1 - $5 per group Ages 11 - 14 1 to 2 hours
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In this activity, learners explore how air warms when it condenses water vapor or makes clouds.

1 cent - $1 per student Ages 8 - 18 5 to 10 minutes
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This demonstration (on pages 9-11) uses gelatin and lead pellets to model how aerogel, a technology used by NASA spacecrafts, is used to capture comet particles.

Ages 8 - 14
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In this environmental activity (page 16 of the PDF), learners will calculate the amount of energy they save by recycling paper, plastic, glass, and aluminum materials over the span of a week.

free Ages 8 - 14 1 to 4 weeks
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Learners observe a sealed test tube containing a small amount of solid stearic acid.

$5 - $10 per group Ages 11 - 18 5 to 10 minutes