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In this activity, learners construct models of plants that are adapted to living under specific environmental conditions.

$10 - $20 per group Ages 6 - 14 45 to 60 minutes
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In this environmental health activity, learners grow and observe bread mold and other kinds of common fungi over the course of 3-7 days.

1 cent - $1 per group Ages 8 - 14 1 to 7 days
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This is an activity in which learners will find that they can detect differences in concentration better with their nose (smelling) than with their eyes (seeing).

$5 - $10 per group Ages 4 - adult 5 to 10 minutes
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In this activity, learners explore the web of connections among living and non-living things.

1 cent - $1 per group Ages 4 - 14 30 to 45 minutes
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In this activity, learners investigate vitamin C.

$5 - $10 per group Ages 8 - adult Under 5 minutes
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Learners will determine their respiratory rate and explore the factors that affect breathing rate by filling out and using the Respiratory Chart provided in the lesson.

free Ages 6 - 14 10 to 30 minutes
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In this activity (page 1 of the PDF under SciGirls Activity: Horse Ears), learners observe how an animal responds to its own reflection.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners use a chemical reaction to visualize where moisture forms on the body.

$10 - $20 per group Ages 8 - 18 10 to 30 minutes
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In this activity, learners create a water prism to break light into the seven colors of the rainbow.

free Ages 6 - 11 Under 5 minutes
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While playing a game, learners discover how the Endangered Species Act works in the United States. Learners move along a game board by answering questions correctly.

1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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In this activity (located in the middle of the page), learners start a garden by planting their socks!

1 cent - $1 per student Ages 4 - 11 1 to 4 weeks
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This reading and writing activity (on pages 2-9) teaches what plant parts should be avoided, how a person can get rid of toxins, symptoms of plant poisoning, and how plants create poisons to repel pre

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
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In this activity, learners investigate how some butterfly wings get their color.

Over $20 per group Ages 4 - adult 10 to 30 minutes
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When it rains, water can collect on top of and seep into the ground. Water can also run downhill, carrying soil and pollution with it.

Over $20 per group Ages 8 - adult 45 to 60 minutes
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Learners explore soybeans, soak them in water to remove their coat, and then split them open to look inside. They also make a musical shaker out of paper cups, a cardboard tube, and soybeans.

1 cent - $1 per student Ages 4 - 11 45 to 60 minutes
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In this outdoor activity, learners plan a simple foot path and create an environmental impact study of the natural area where the path would be.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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Did you know that a bullfrog can jump a distance of 10 times its body length? Learn more about nature's most acrobatic amphibian, the frog, through this set of short, hands-on activities.

$1 - $5 per group Ages 4 - 18 30 to 45 minutes
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In this outdoor, sensory activity, learners role play as animals trying to identify their "family's" scent and locate their "territory." Learners mark their territories and sniff out other territories

$10 - $20 per group Ages 8 - 14 45 to 60 minutes
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In this group activity, learners consider environmental conditions—temperature, presence of water, atmosphere, sunlight, and chemical composition—on planets and moons in our solar system to determine

1 cent - $1 per group Ages 8 - 18 45 to 60 minutes
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In this quick activity (on page 2 of the PDF under GPS: Body Electricity Activity), learners will observe how dry breakfast cereal appears to dance when it gets close to a balloon charged with static

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