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    In this experiment, learners will investigate the release of carbon-containing gas from living and nonliving sources. Learners scratch the surface of a limestone rock and observe what happens when...

    $1 - $5 per student Ages 8 - 14 45 to 60 minutes
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    In this experiment, learners examine the way oil affects bird feathers and test different cleanup methods to find out which works best. Learners answer questions throughout the investigation,...

    $1 - $5 per group Ages 6 - 14 10 to 30 minutes
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    In this activity, learners use simple items to construct a device for indicating air pressure changes. Learners build aneroid barometers (also known as "dry" barometers) and record the...

    $1 - $5 per student Ages 8 - 18 1 to 4 weeks
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    In this activity, learners use simple items to construct a device for indicating air pressure changes. Learners build water barometers (also known as "storm glass" barometers) and record...

    $1 - $5 per student Ages 8 - 18 1 to 4 weeks
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    In this quick activity, learners observe how wind creates ocean currents. By blowing (through straws) on pepper suspended in water, learners will notice how the pepper moves in a clockwise motion,...

    $1 - $5 per group Ages 6 - 14 5 to 10 minutes
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    In this activity, learners perform an experiment to learn about how different types of marine debris degrade and how weather and sunlight affect the rate of degradation. Learners discover that...

    $1 - $5 per group Ages 8 - 14 1 to 12 months
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    In this group activity, learners act out key stages of the "ocean carbon cycle" (also known as the "carbonate buffer system") through motions, rearranging blocks and team tasks....

    $1 - $5 per group Ages 11 - 14 45 to 60 minutes
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    In this quick activity, learners observe how the added sugar in a can of soda affects its density and thus, its ability to float in water. Learners explore this phenomenon by testing if two cans of...

    $1 - $5 per group Ages 6 - 14 Under 5 minutes
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    In this activity, learners explore the human influences on the carbon cycle and examine how fossil fuels release carbon. Learners role play as miners, power plant operators, car drivers, and home...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    In this activity, learners will estimate the sizes of balls to learn how to estimate the size of hail. Learners will compare their estimates to the estimates of their peers and the real...

    $1 - $5 per group Ages 6 - 14 10 to 30 minutes

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