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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 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 activity, learners consider how oil spills behave in the ocean and what impact they have on marine wildlife. Learners build and observe a model of an oil spill using simple materials, then...

    $10 - $20 per group Ages 11 - 14
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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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    In this activity, learners explore how to protect their skin while applying pesticides to plants. Learners conduct a series of simulation experiments and discover that some clothing fabrics provide...

    $10 - $20 per group Ages 8 - 14 10 to 30 minutes

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