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    Biotechnology and Biological Sciences Research Council
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    In this activity (p.8-9 of PDF), learners investigate the evolution of wheat by conducting sedimentation tests on different flours. The evolution of wheat from wild grasses demonstrates the...

    $5 - $10 per group Ages 8 - adult 10 to 30 minutes
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    Colorado State University
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    In this demonstration, learners can observe a number of small convection cells generated from a mixture of aluminum powder and silicon oil on a hot plate. This demonstration helps learners...

    $5 - $10 per student Ages 8 - 14 5 to 10 minutes
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    Astronomical Society of the Pacific
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    This fun and simple hands-on astronomy activity demonstrates the shadow of the Earth as it rises as a dark blue shadow above the eastern horizon. Shadows are not just what we see on the sidewalk,...

    $5 - $10 per group Ages 6 - adult 10 to 30 minutes
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    NISE Network
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    In this nanoscience activity, learners discover that it's easy to pour water out of a regular-sized cup, but not out of a miniature cup. They learn that size can affect the way materials like...

    $5 - $10 per group Ages 4 - adult 5 to 10 minutes
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    The Exploratorium
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    In this optics activity, demonstrate diffraction using a candle or a small bright flashlight bulb and a slide made with two pencils. Learners will observe the diffraction pattern and learn that...

    $5 - $10 per student Ages 8 - 18 10 to 30 minutes
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    Biotechnology and Biological Sciences Research Council
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    In this activity (p.5-6 of PDF), learners investigate natural selection. Learners discover that natural selection, which takes place over decades, can lead to altered populations within a species....

    $5 - $10 per group Ages 8 - 11 10 to 30 minutes
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    Chicago Children's Museum
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    This activity (located on page 8 of the PDF) introduces learners to the concept of Non-point Source Pollution--what happens when rain washes garbage and other pollutants into rivers and lakes....

    $5 - $10 per group Ages 6 - 11 5 to 10 minutes
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    Astronomical Society of the Pacific
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    In this activity, learners use a simple 3D model to discover why the Moon has phases. This activity is a very rewarding "ah-ha!" moment for learners since it helps to correct one of the...

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

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    • Oregon Museum of Science and Industry (remove)
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