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In this activity, learners explore sensors and focus specifically on how to measure humidity using a sensor.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners explore how anemometers work to record wind speeds and how the equipment has undergone engineering adaptations over time.

Over $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners explore trebuchet design. Teams of learners construct trebuchets from everyday materials.

$10 - $20 per group Ages 11 - 18 1 to 2 hours
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In this two-part activity, learners map a navigation plan to get from Earth to Mars and back. In activity one, learners represent the orbital paths of Earth through dance and dramatic movement.

1 cent - $1 per group Ages 8 - 18 45 to 60 minutes
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In this activity, learners explore rocketry and the principals of space flight.

Over $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners work in groups to design a parachute out of household items that keeps an egg secure when dropped from a certain height.

free Ages 11 - 18 45 to 60 minutes
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In this activity, learners explore how civil engineers solved the challenge of moving water via irrigation.

Over $20 per group Ages 8 - 18 1 to 2 hours
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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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In this activity, learners listen to songs and decode hidden messages based on the same principle as a modem. As a final challenge, learners decode the binary messages in a music video.

free Ages 6 - 18 30 to 45 minutes
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In this activity, learners explore how rescue devices are designed to aid professionals during emergency situations.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners explore the history of making objects from glass and artistry of Dale Chihuly.

$10 - $20 per group Ages 8 - 11 1 to 2 hours
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Learners work in groups to construct bridges using stale marshmallows and toothpicks.

$5 - $10 per group Ages 11 - 14 30 to 45 minutes
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In this activity, learners explore sports engineering and advanced materials development.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners explore the concept of how engineering solved the problem of human/computer interface.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners explore the many uses of periscopes and how this simple device was designed and is used in many applications.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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Make a model city happier with LEDs, circuits, motors, and batteries! Groups can think, discuss, design, and build what would make a community happy. Kids can work as part of a team or on their own.

$1 - $5 per student Ages 8 - adult 30 to 45 minutes
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In this activity, learners explore how engineers develop pipeline systems to transport oil, water, gas, and other materials over very long distances.

$10 - $20 per group Ages 8 - 18 2 to 4 hours
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In this activity, learners explore the design of rubber band powered cars. Learners work in teams of "engineers" to design and build their own rubber band cars out of everyday items.

$5 - $10 per group Ages 8 - 18 1 to 2 hours
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Make a cuíca (“kwee-ka”), a traditional Brazilian musical instrument that originated in Africa. Played primarily in Brazil, now you can play it at home, too, with this Exploratorium produced activity.

1 cent - $1 per student Ages 6 - adult 10 to 30 minutes
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In this design challenge activity, learners use two helium-filled balloons to build a blimp that can travel in a straight path across the room.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes