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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 discover how to determine the distance to a lightning strike or nearby thunderstorm. Learners participate in a series of exercises that simulate how the sound of thunder...

    free Ages 6 - 14 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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    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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    In this activity (on page 7), learners explore the meaning of a "carbon sink." Using simple props, learners and/or an educator demonstrate how plants act as carbon sinks and how...

    free Ages 8 - 14 45 to 60 minutes
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    In this activity, learners discover how the extent of various wind speeds changes in each of the four quadrants around a hurricane. Learners use data from the 'present' location of...

    free Ages 11 - 18 10 to 30 minutes

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