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In this activity, learners explore how air warms when it condenses water vapor or makes clouds.

1 cent - $1 per student Ages 8 - 18 5 to 10 minutes
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In this activity, learners discover the relationship between temperature and pressure in the lower atmospheres of Jupiter and Earth.

$10 - $20 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners build edible models of Jupiter and Earth to compare their sizes and illustrate the planets' internal layers.

$10 - $20 per group Ages 8 - 14 30 to 45 minutes
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In this experiment using sprigs of Elodea, learners will observe a natural process that removes carbon dioxide (CO2) from Earth's atmosphere.

$10 - $20 per group Ages 11 - 14 1 to 2 hours
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Learners observe and discuss a simple model of a wet scrubber, a device for cleaning industrial air pollution.

$10 - $20 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners investigate how increased carbon dioxide (CO2) emissions from the burning of fossil fuels is changing the acidity (pH) of the ocean and affecting coral reefs and other marin

$5 - $10 per group Ages 11 - 14 45 to 60 minutes
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In this activity, learners observe the water cycle in action! Water vapor in a tumbler condenses on chilled aluminum foil — producing the liquid form of water familiar to us as rain and dew.

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners make a miniature greenhouse or "terrarium" to explore the greenhouse effect.

$1 - $5 per student Ages 8 - 18 1 to 7 days
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In this lesson plan, learners examine some of the of greenhouse gas emissions sources in their community.

free Ages 11 - 14 45 to 60 minutes
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In this activity, learners test how cornstarch and glitter in water move when disturbed. Learners compare their observations with videos of Jupiter's and Earth's storm movements.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners discover the difficulty of ocean exploration by human beings as they investigate water pressure.

$5 - $10 per group Ages 8 - 11 10 to 30 minutes
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Learners blow into balloons and collect their breath--carbon dioxide gas (CO2). They then blow the CO2 from the balloon into a solution of acid-base indicator.

$1 - $5 per student Ages 8 - 14 5 to 10 minutes
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Learners build a model of a pollution control device--a cyclone. A cyclone works by whirling the polluted air in a circle and accumulating particles on the edges of the container.

1 cent - $1 per student Ages 8 - 14 10 to 30 minutes
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In this demonstration/experiment, learners discover that different colors and materials (metals, fabrics, paints) radiate different amounts of energy and therefore, cool at different rates.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this kinesthetic activity that demonstrates pressure, learners act as air molecules in a "container" as defined by a rope.

free Ages 8 - 14 10 to 30 minutes
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What causes frost to form on the outside of a cold container? In this activity, learners discover that liquid water can change states and freeze to become ice.

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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Learners build particulate matter collectors--devices that collect samples of visible particulates present in polluted air.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners will use a compact disc to build an air puck that can glide across a smooth tabletop. The puck glides with almost no friction on a cushion of air escaping from a balloon.

$1 - $5 per student Ages 8 - 18 30 to 45 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 greenhouse gases cause

free Ages 8 - 14 45 to 60 minutes
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The demonstration/experiment provides quick proof that air has mass.

$1 - $5 per group Ages 8 - 14 5 to 10 minutes