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Learners make a skydiver and parachute contraption and launch it. They see that the drag created by air resistance slows the descent of skydivers as they travel back to Earth.

1 cent - $1 per group Ages 11 - 18 30 to 45 minutes
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Learners construct and launch paper helicopters.

1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
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In this activity, learners explore the concept of how aerospace engineering has impacted sports, specifically exploring the design of golf balls.

free Ages 11 - 18 1 to 2 hours
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In this activity, learners explore how boats are engineered to achieve speed.

Over $20 per group Ages 11 - 18 2 to 4 hours
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In this design challenge activity, learners modify a cup so it can carry a marble down a zip line and also drop it onto a target.

$1 - $5 per student Ages 8 - 18 45 to 60 minutes
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In this demonstration/activity, water streaming through holes in the bottom of a suspended soda pop can causes the can to rotate.

1 cent - $1 per group Ages 8 - 14 5 to 10 minutes
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In this activity, learners design a bungee jump for an egg using nylon stockings.

$1 - $5 per student Ages 6 - 11 30 to 45 minutes
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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 "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 activity, learners are challenged to design and construct a windmill to harness the power of wind.

Over $20 per group Ages 8 - 18 30 to 45 minutes
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In this design challenge activity, learners build a rubber band-powered rover that can scramble across the room.

1 cent - $1 per student Ages 11 - 18 30 to 45 minutes
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In this engineering activity, learners design parachutes to give toy figures safe landings. This activity is great for practicing an important STEM skill--changing only one variable at a time.

$5 - $10 per group Ages 8 - 14 30 to 45 minutes
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Learners set up books with rubber bands stretched between the books. When two identical books are stretched apart and released, they move back toward each other an equal distance.

1 cent - $1 per group Ages 11 - 14 30 to 45 minutes
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Learners construct a rocket from a balloon propelled along a guide string.

1 cent - $1 per group Ages 11 - 18 30 to 45 minutes
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Learners build simple catapults and use them to launch cotton balls.

$1 - $5 per group Ages 11 - 18 45 to 60 minutes
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In this activity, learners explore the concept of how brakes can stop or slow mechanical motion.

$5 - $10 per group Ages 8 - 11 45 to 60 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 Engineering Design Challenge activity, learners will use balloons to investigate how a multi-stage rocket, like that used in the Interstellar Boundary Explorer (IBEX) mission, can propel a sat

$1 - $5 per student Ages 8 - adult 10 to 30 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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The goal of this activity is to design the fastest sailboat or one that carries the most treasure.

$5 - $10 per group Ages 6 - 18 10 to 30 minutes