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    In this three-part activity, learners explore how waves are formed and why some waves are bigger than others. First, learners observe waves of water in a pan generated by an electric fan. Learners...

    $10 - $20 per group Ages 8 - 11 45 to 60 minutes
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    In this outdoor activity, learners work in pairs using their senses—especially touch—to learn more about individual trees. After reading and discussing Shel Silverstein's storybook "The...

    $5 - $10 per group Ages 8 - 18 1 to 2 hours
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    In this experiment, learners use a blow dryer and water bottle to observe and record changes in air pressure caused by changes in temperature. Educators can use this activity to explain how changes...

    $5 - $10 per group Ages 8 - 14 5 to 10 minutes
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    In this engineering/design activity, learners make a kite, fly it, and then work to improve the design. Learners explore how their kite design variations affect flight. Learners can test their kite...

    $1 - $5 per student Ages 8 - 14 10 to 30 minutes
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    In this activity, learners design and build a simple wind vane —one of the oldest kinds of weather tools— and use it to show wind direction. The activity can be done outdoors on a windy day or...

    $5 - $10 per group Ages 8 - 14 30 to 45 minutes
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    In this multi-part activity learners examine non-point water pollution. Learners discover ways they may be contributing to this type of pollution and brainstorm ways to change their behavior to be...

    free Ages 6 - adult
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    In this indoor and/or outdoor activity, learners make an anemometer (an instrument to measure wind speed) out of a protractor, a ping pong ball and a length of thread or fishing line. This is a...

    1 cent - $1 per student Ages 8 - 14 10 to 30 minutes
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    This activity offers learners and their families several ways to raise their awareness together about home water. Included are a Home Water Audit Chart to help families record their water; a link...

    free Ages 4 - adult 1 to 7 days
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    In this thought-provoking activity, learners plan a hypothetical project to build and operate wind turbines in their community. Learners research such topics as available wind source, cost, noise,...

    free Ages 8 - 14 2 to 4 hours
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    As a group, learners consider sources of water pollution to understand where pollution starts and where it ends up. Also explored are the natural and human-made options for cleaning up our water...

    Ages 8 - 14 10 to 30 minutes

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