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    In this activity, learners explore how the area of Arctic sea ice has changed over recent years. First, learners graph the area of Arctic sea ice over time from 1979 to 2007. Then, learners use...

    free Ages 11 - 18 45 to 60 minutes
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    In this weather forecasting activity, learners determine the location of cold and warm fronts on weather plot maps. Learners use colored pencils to mark up and analyze surface pressure, air...

    free Ages 8 - 18 45 to 60 minutes
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    In this weather activity/demonstration, learners watch as a ping pong ball is suspended in a stream of air supplied by a hair dryer. This demonstration of the Bernoulli Principle models how...

    free Ages 6 - 14 5 to 10 minutes
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    In this quick and easy activity and/or demonstration, learners use two empty soda cans to illustrate Bernoulli's principle. Learners lay the two cans parallel to each other on a level surface...

    free Ages 6 - 18 5 to 10 minutes
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    In this activity, learners estimate how much water they think can be found in various locations on the Earth in all its states (solid, liquid, and gas) to discover the different water ratios in the...

    free Ages 6 - 14 10 to 30 minutes
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    NOAA
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    In this quick and easy activity and/or demonstration, learners use two empty 2-liter bottles and hot tap water to illustrate the effect of heat on pressure. Learners will be surprised to see what...

    free Ages 6 - 18 5 to 10 minutes
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    In this quick and easy activity and/or demonstration, learners illustrate the effect of the weight of air over our heads. Since we do not typically feel atmospheric pressure, this activity allows...

    free Ages 6 - 18 Under 5 minutes
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    NOAA
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    In this activity, learners will measure the length of their shadow from the Sun and compare it three to four months later. This process will help learners investigate Earth's rotation and...

    free Ages 6 - 14 1 to 12 months
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    In this quick activity, learners use a toaster to investigate the source for the Earth's wind. Learners hold a pinwheel above a toaster to discover that rising heat causes wind. Use this...

    free Ages 4 - 14 Under 5 minutes
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    In this activity, learners will listen to as many radio stations as possible to discover that AM radio signals can travel many hundreds of miles at night. Learners log the call signs, locations,...

    free Ages 8 - 18 1 to 2 hours

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