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After a discussion about what a parachute is and how it works, learners create parachutes using different materials that they think will work best.

$5 - $10 per group Ages 11 - 14 45 to 60 minutes
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In this design challenge activity, learners use a balloon and other simple materials to design an air-powered rocket that can hit a distant target.

$1 - $5 per student Ages 8 - 14 30 to 45 minutes
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In this activity about light and perception, learners create pictures in thin air.

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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In this engineering/design activity, learners make a kite, fly it, and then work to improve the design. Learners explore how their kite design variations affect flight.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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In this activity, learners create and experiment with wind tubes. These tubes are a playful and inventive way to explore the effect that moving air has on objects.

Over $20 per group Ages 4 - adult 1 to 2 hours
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In this online Flash game, learners will captain a sailing challenge, adjusting boat direction and sails, seeking the way to take greatest advantage of varying wind speeds and directions to catch the

free Ages 6 - 14 5 to 10 minutes
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In this activity, learners turn empty 2-liter bottles into a see-through compost container.

$1 - $5 per student Ages 4 - 14 1 to 12 months
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In this activity, learners explore how parachutes are used to slow down moving objects. Learners work in teams of "engineers" to design and build their own parachutes out of everyday items.

$5 - $10 per group Ages 8 - 18 1 to 2 hours
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In this experiment, learners examine how pressure affects water flow. In small groups, learners work with water and a soda bottle, and then relate their findings to pressure in the deep ocean.

1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
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Learners explore the Bernoulli effect by building an airfoil (airplane wing) and making it fly.

1 cent - $1 per student Ages 8 - 14 30 to 45 minutes
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The goal of this activity is to build a miniature bobsled that is either the fastest or the slowest. Learners use recycled materials to design, build, and test their bobsled on a bobsled track.

$5 - $10 per group Ages 6 - 18 10 to 30 minutes
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In this fun and, at times, hilarious force and motion activity, learners will use household objects to build a crazy contraption and see how far they can get a tennis ball to move.

$1 - $5 per group Ages 4 - adult 1 to 2 hours
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In this activity, learners build small indoor paper rockets, determine their flight stability, and launch them by blowing air through a drinking straw.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
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In this activity related to Newton's Laws of Motion, learners build a boat powered by a propeller in the air.

$5 - $10 per student Ages 8 - 18 45 to 60 minutes
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This activity (located on page 3 of the PDF under GPS: Glaciers Activity) is a full inquiry investigation into the forces of gravity and air pressure.

1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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In "Exploring the Solar System: Stomp Rockets," participants learn about how some rockets carry science tools—not scientists—into space, and how a special kind of rocket called "sounding rockets" can

1 cent - $1 per student Ages 6 - 14 5 to 10 minutes
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In this design challenge activity, learners build a shock-absorbing system that will protect two “astronauts” when they land.

$1 - $5 per student Ages 8 - 14 30 to 45 minutes
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In this activity, learners make optical fibers out of strips of gelatin.

$1 - $5 per group Ages 8 - 14 2 to 4 hours
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This activity (on page 2 of the PDF under SciGirls Activity: Hovercraft) is a full inquiry investigation into hovercraft engineering and design optimization.

Over $20 per group Ages 8 - 14 1 to 7 days
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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