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    NOAA
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    In this activity on page 24, 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...

    1 cent - $1 per group Ages 6 - 14 30 to 45 minutes
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    NOAA
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    In this activity, learners experiment and observe how the color of materials that cover the Earth affects the amounts of sunlight our planet absorbs. Use this activity to begin discussions on...

    1 cent - $1 per group Ages 8 - 18 30 to 45 minutes
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    University of Washington
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    In this activity, learners investigate visual perception as well as plan and conduct their own experiments. In "CLASS EXPERIMENT," learners discover how depth perception works by testing...

    1 cent - $1 per group Ages 8 - 18 1 to 2 hours
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    NSBRI
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    In this activity related to the human circulatory system (on page 10 of the PDF), learners observe the dispersion of a drop of food coloring in water, draw conclusions about the movement of...

    1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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    Omaha's Henry Doorly Zoo
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    In this activity, learners explore the concept of permeability to better understand why amphibians are extremely sensitive to pollution. Learners soak one regular hard-boiled egg and one peeled...

    1 cent - $1 per group Ages 4 - 14 4 to 24 hours
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    NASA
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    In this activity (on page 134 of the PDF), learners explore reaction time. Learners will discover that reaction time can vary even for the same individual and that a disruption in an individual&...

    1 cent - $1 per group Ages 8 - 18 1 to 2 hours
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    BioEd
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    In this environmental health activity, learners investigate their breathing and pulse rates, and learn how these measurements are affected by physical activity. There are three parts to this...

    1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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    BioEd
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    In this environmental health activity, learners grow and observe bread mold and other kinds of common fungi over the course of 3-7 days. This lesson guide includes background information,...

    1 cent - $1 per group Ages 8 - 14 1 to 7 days
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    COSI
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    In this physics activity, learners will explore buoyancy. They will use a variety of objects to practice their prediction skills (what will and won't float) and discover why some things are...

    1 cent - $1 per student Ages 4 - adult 10 to 30 minutes
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    NSBRI
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    In this activity (page 105 of the PDF), learners measure heart rate and blood pressure and learn how to obtain consistent measurements during repeated tests. This activity teaches learners how to...

    1 cent - $1 per group Ages 8 - 18 10 to 30 minutes

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