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    Colorado State University
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    In this activity, learners explore conservation of energy by experimenting with a solar cell light device. Learners will set the solar cell in the sun for varying times to charge the battery and...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    American Chemical Society
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    Learners compare the weight of equal volumes of wax, water, and clay. Learners discover that since the wax weighs less than an equal volume of water, it is less dense than water and will float. And...

    $1 - $5 per group Ages 8 - 14 30 to 45 minutes
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    Children's Museum Of Houston
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    In this activity about problem-solving, learners build a house for the Three Little Pigs using twenty straws and two index cards. Learners then use a fan to simulate a tornado and shake the table...

    $1 - $5 per student Ages 8 - 11 10 to 30 minutes
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    Oregon Museum of Science and Industry
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    Learners make their own simple slide rules out of paper and learn how they work. The activity starts by having learners make an "adding slide rule," which is not a very practical device...

    1 cent - $1 per group Ages 8 - adult 10 to 30 minutes
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    Pratt School of Engineering, Duke University
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    Learners design and create musical instruments from common objects; their challenge is to create an instrument that can make three different tones. They investigate how energy is transferred from...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    Science Museum of Minnesota
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    This is a demonstration you can use to show learners how valves and pumps work in concert to move blood through the circulatory system.

    1 cent - $1 per group Ages 6 - 14 5 to 10 minutes
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    NASA
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    This interactive demonstration reintroduces learners to three states of matter (solid, liquid, gas), and introduces them to a fourth state of matter, plasma. This activity also explores the...

    Over $20 per group Ages 8 - 14 5 to 10 minutes
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    Oregon Institute of Marine Biology
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    In this activity, learners pretend that they are orcas and search for their "pods" using Morse code. As orcas use squeaks to communicate and keep track of each other, the learners will do...

    1 cent - $1 per student Ages 8 - 11 45 to 60 minutes
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    NASA
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    This lesson will helps learners answer the question: How does the bombardment of micrometeoroids make regolith on the moon? In this lesson, learners investigate the effects of micrometeoroid...

    $10 - $20 per group Ages 8 - 11 45 to 60 minutes
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    Lawrence Hall of Science
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    In this outdoor activity, learners investigate the relationship between the slope of a trail and soil erosion. Using both math and science skills, learners gain awareness of how human activities...

    $10 - $20 per group Ages 8 - 18 45 to 60 minutes

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