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    Lawrence Hall of Science
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    In this outdoor activity, learners use only their senses to to find the extremes of several environmental variables or physical factors: wind, temperature, light, slope and moisture. Learners also...

    $1 - $5 per group Ages 6 - 14 30 to 45 minutes
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    Astronomical Society of the Pacific
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    This fun hands-on astronomy activity uses a variety of simple props to help learners understand why they see what they see in a telescope. They will learn about how the eye works, how to use the...

    $1 - $5 per group Ages 4 - adult 5 to 10 minutes
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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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    APSnet
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    In this laboratory exercise, learners will discover how many different plant hosts they can find that are infected by the same genus of a powdery mildew fungus, or how many different genera of...

    $1 - $5 per group Ages 11 - 18 45 to 60 minutes
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    Twin Cities Public Television
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    In this health and fitness activity, learners focus on the importance of daily physical activity, specifically walking. Learners use a simple method to measure their stride lengths and then...

    $1 - $5 per group Ages 8 - 14 30 to 45 minutes
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    Lawrence Hall of Science
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    In this outdoor, nighttime activity, learners gather around a brightly lit, white surface and study the behavior of nocturnal animals attracted to the light, particularly night fliers. Learners...

    $1 - $5 per group Ages 4 - 14 45 to 60 minutes
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    Lunar and Planetary Institute
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    In this activity, learners measure the diameter of their water balloons, model an impact, measure the diameter of the “crater” area, and determine the ratio of impactor to crater. This activity is...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    The University of Texas McDonald Observatory
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    In this activity, learners use the Sun's energy to cook marshmallows. Learners construct the solar oven out of simple everyday materials. They experiment to see how the color of the...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    Colorado State University
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    In this activity, learners simulate the energy transfer between the earth and space by using the light from a desk lamp to warm up a world map placemat. The placemat will warm up, so it will emit...

    $1 - $5 per student Ages 8 - 14 10 to 30 minutes
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    Colorado State University
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    In this activity, learners use cheap, thin plastic garbage bags to quickly build a solar hot air balloon. In doing so, learners will explore why hot air rises. Learners can use a hair dryer to...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes

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