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Learners develop an understanding of air pressure in two different activities.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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Learners build devices from rubber bands to test for invisible air pollutants.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this crafty chemistry activity (on page 2 of the PDF), learners make their own paper from used paper they may have otherwise thrown away.

$1 - $5 per student Ages 6 - 14 30 to 45 minutes
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In this activity, learners explore the Great Plains.

$1 - $5 per group Ages 4 - 11 30 to 45 minutes
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In this activity, learners identify different plastics in a mystery bag. Learners discover that plastics are classified #1 through #7.

$1 - $5 per group Ages 8 - 14 45 to 60 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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Have you noticed the plastic rings that are used to hold six-packs of soda? Those rings are great for carrying cans, but they're real trouble when they become trash that animals can get tangled in.

$1 - $5 Ages 8 - 14 45 to 60 minutes
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This is an activity where learners will discover what types and how many insects live in their own backyard.

$1 - $5 per student Ages 4 - 18 30 to 45 minutes
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This activity encourages learners to focus on the natural environment of the Eastern Woodlands before the arrival of European settlers.

$1 - $5 per group Ages 4 - 11 45 to 60 minutes
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This is a culminating activity which allows learners to summarize what they know about Woodlands Native Americans by creating illustrations and map symbols for a large outline map (see related Activit

$1 - $5 per group Ages 4 - 11 45 to 60 minutes
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This activity models the necessary balance of creating power and cleaning up its associated waste. Learners participate in a game where they attempt to move forward toward a goal.

$1 - $5 per group Ages 8 - 11 10 to 30 minutes
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This board game teaches learners about energy decision making. Players select cards that determine the transportation and home design that will influence their expenses as they play.

$1 - $5 per group Ages 11 - 18 45 to 60 minutes
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Learners observe a simple balloon model of an electrostatic precipitator. These devices are used for pollutant recovery in cleaning industrial air pollution.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes