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    NOAA
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    In this activity, learners perform experiments to examine whether or not trash can float, blow around, or wash away. Then learners analyze the effects of these characteristics on marine debris in...

    1 cent - $1 per group Ages 6 - 14 30 to 45 minutes
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    Twin Cities Public Television
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    In this engineering activity, learners examine bicycle mechanics and gear ratios. Learners determine which gears will help them bike a set course in the shortest amount of time.

    1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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    NOAA
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    In this activity, learners observe the effect of transpiration as water is moved from the ground to the atmosphere. Learners conduct the experiment by placing a large plastic bag over a living limb...

    1 cent - $1 per group Ages 6 - 14 2 to 4 hours
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    NOAA
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    In this activity, learners use chocolate to explore how the Sun transfers heat to the Earth through radiation. Learners compare the melting rate between chocolate left in the sunshine and chocolate...

    1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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    NASA
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    In this activity, learners discover that one way to cool an object in the presence of a heat source is to increase the distance from it or change the angle at which it is faced. Learners perform an...

    1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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    NOAA
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    In this activity, learners will measure the length of a shadow and use the distance from the equator to calculate the circumference of the earth. Note: This experiment can only be done at solar...

    1 cent - $1 per group Ages 8 - 18 10 to 30 minutes
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    Science Friday
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    In this activity, learners discuss and investigate how cameras, telescopes, and their own eyes use light in similar ways. By building their own pinhole viewers, learners make observations about the...

    1 cent - $1 per student Ages 11 - 14 45 to 60 minutes
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    Twin Cities Public Television
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    This activity (located on page 3 of the PDF) is a full inquiry investigation into the forces of gravity and air pressure. Groups of learners will construct a simple gravity fountain by making a...

    1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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    The University of Texas McDonald Observatory
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    In this activity, learners make an equatorial sundial, which is simple to construct and teaches fundamental astronomical concepts. Learners use the provided template and a straw to build the...

    1 cent - $1 per group Ages 11 - 18 2 to 4 hours
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    New York Hall of Science
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    In this inquiry-based lesson, learners measure the biomass of trees, calculate the carbon stored by the trees, and use this information to create recommendations about using trees for carbon...

    1 cent - $1 per student Ages 11 - 14 1 to 2 hours

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    • Oregon Museum of Science and Industry (remove)
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