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    The Exploratorium
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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 and physics challenge, learners construct a cylindrical wing, fly it, make modifications, and determine how the changes affect flight patterns. This activity introduces learners to...

    1 cent - $1 per student Ages 8 - 18 45 to 60 minutes
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    The Exploratorium
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    Ocean acidification is a big issue due to the amount of carbon dioxide humans release. CO2 in the atmosphere is absorbed into the ocean thus changing its acidity. The more acidic the ocean becomes,...

    $1 - $5 per student Ages 11 - 18 10 to 30 minutes
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    In this activity, learners explore the question "What is paper?" Learners discover the processes and materials required to make paper while experimenting with different recycled fibers...

    Over $20 per student Ages 8 - 18 1 to 7 days
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    In this activity, learners model directed evolution by making paper fly. Learners construct and fly paper airplanes. During the first round, they calculate the average distance the planes fly and...

    $1 - $5 per group Ages 8 - 18 45 to 60 minutes
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    In this activity, learners simulate the process of DNA fingerprinting by using electricity to separate colored dyes. Learners use simple materials to assemble a comb (electrophoresis chamber) to...

    Over $20 per group Ages 11 - 18 1 to 2 hours
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    In this seismic simulation, learners play a "who-dunnit" game to explore earthquakes. Learners act as the source, carriers, and detectors of earthquake waves, while the group determines...

    free Ages 11 - adult 1 to 2 hours
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    The Exploratorium
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    See what force a magnet has on a wire that has current running through it: will it push it, pull it, or will nothing happen? This is the foundation of a simple electric motor.

    1 cent - $1 per student Ages 6 - 18 Under 5 minutes
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    In this activity, learners light an LED with five cents. Learners use two different metals and some sour, salty water to create a cheap battery. Learners also have the option of checking the...

    1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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    The Exploratorium
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    In this activity, learners build a simple mechanism that regulates the "escape" of energy released by a falling weight by portioning it into discrete amounts. Escapements are found in...

    $1 - $5 per student Ages 11 - 18 45 to 60 minutes

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