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    University of Washington
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    In this activity, learners investigate the olfactory system by conducting several experiments. In "CLASS EXPERIMENT," learners find that the ability to detect an odor decreases with...

    $5 - $10 per group Ages 11 - 14 2 to 4 hours
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    California Academy of Sciences
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    In this activity, learners visualize the differences in water density and relate this to the potential consequences of increased glacial melting. This activity can be conducted as a demonstration...

    $5 - $10 per group Ages 8 - 14 2 to 4 hours
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    NASA
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    Through a series of simple body movements, learners gain insight into the relationship between time and astronomical motions of Earth (rotation about its axis, and orbit around the Sun), and also...

    $5 - $10 per group Ages 11 - adult 2 to 4 hours
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    California Academy of Sciences
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    In this activity, learners practice the steps involved in a scientific investigation while learning why ice formations on land (not those on water) will cause a rise in sea level upon melting. This...

    $5 - $10 per group Ages 8 - 14 2 to 4 hours
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    PBS
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    In this three-part math activity, learners explore shapes. In part one, learners identify, describe, and classify two-dimensional shapes. Learners use square tiles to duplicate shapes on a card,...

    $5 - $10 per group Ages 6 - 8 2 to 4 hours
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    The Exploratorium
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    In this activity, learners build scaled-down structures and cantilevers in a series of "building out" challenges with bamboo skewers and tape. In doing so, learners will experience many...

    $5 - $10 per group Ages 6 - 14 2 to 4 hours
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    Science Museum of Minnesota
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    Audio Boggle is an activity that lets you listen to a track (that you make yourself) and see what you can hear! To make a recording to use for Audio Boggle, you’ll need a microphone, a sound...

    $5 - $10 per student Ages 8 - 18 2 to 4 hours
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    Biotechnology and Biological Sciences Research Council
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    In this activity, learners make their own bug boxes and test the habitat preference of selected "minibeasts" (bugs). Activity is broken down into two sessions because the boxes are fixed...

    $5 - $10 per student Ages 6 - 14 2 to 4 hours
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    Twin Cities Public Television
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    In this engineering activity, learners explore simple machines and then build cardboard automata using cams. Learners are also challenged to build a complex machine--a moving sculpture that tells a...

    $5 - $10 per group Ages 8 - 14 2 to 4 hours
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    National Health Museum
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    In order to examine the random nature of mutations and natural selection, learners "breed" clutches of Egyptian Origami Birds (Avis papyrus) using random number generators (dice and coins...

    $5 - $10 per group Ages 14 - 18 2 to 4 hours

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