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In this game, learners create flash cards with an image on one side (of an animal, for example) and the sound that animal makes on the other.

$1 - $5 per group Ages 6 - adult 10 to 30 minutes
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In this environmental science lesson, learners will examine the dangers of mercury and how humans contribute to growing mercury emissions on Earth.

$5 - $10 per group Ages 14 - 18 1 to 2 hours
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This activity (on pages 35-43) lets learners analyze a "herd of elk" to detect the spread of a bacterial disease called brucellosis.

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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This modeling activity allows learners to discover for themselves what Mendel uncovered in his famous pea experiments.

$1 - $5 per group Ages 14 - 18 45 to 60 minutes
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This activity was designed for blind learners, but all types of learners can use it to organize an interactive model for learning the classification system (taxonomy) of living things.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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In this activity, learners collect, analyze, and interpret information about objects in order to classify them into a cladogram. Use this activity to talk about how scientists classify things.

$5 - $10 per group Ages 8 - 18 1 to 2 hours
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In this outdoor activity, learners dig for and collect isopods (sometimes known as "roly-poly bugs" or "potato bugs" and other names).

$10 - $20 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners explore dinosaur fossils and a dig site. Learners work in groups to analyze a dig site map and match bones to a skeletal drawing of Kelsey (a Triceratops).

1 cent - $1 per group Ages 6 - 8 45 to 60 minutes
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This is an activity about our sense of smell and how it compares to sharks' super noses. Learners will create varying solutions of water and perfume.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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Some aquatic organisms live in open water, while some live in soil at the bottom of a body of water.

$1 - $5 per group Ages 6 - adult 30 to 45 minutes
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In this activity, learners create a garden in a disposable glove. They learn about the conditions necessary to make the seeds sprout and actively participate in caring for their plants.

$10 - $20 per group Ages 6 - 11 1 to 4 weeks
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In this activity, learners explore how dinosaurs are named and what their names mean. Learners listen to "The Littlest Dinosaurs" by Bernard Most.

1 cent - $1 per group Ages 6 - 8 45 to 60 minutes
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Somatic Cell Nuclear Transfer (SCNT) is a cloning method that involves transferring a nucleus from a somatic cell of the individual to be cloned to an enucleated egg.

1 cent - $1 per group Ages 11 - 18 1 to 2 hours
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In this activity, learners examine body parts (including skin, scales, and skulls) from fish, mammals and reptiles. Questions are provided to help encourage learner investigations.

Over $20 per group Ages 4 - adult 10 to 30 minutes
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In this outdoor activity, learners search for lichen, a combination of a fungus and an alga living together. Lichen grow where most other plants cannot, on rocks, the trunks of trees, logs and sand.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this activity about backyard habitats learners create a safe and toad-friendly environment near their own home.

$1 - $5 per student Ages 6 - 11 10 to 30 minutes
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In this two-day activity (on pages 16-22), learners use a process like that of the Yoruba people of Nigeria to create an African symbol on cloth.

$10 - $20 per group Ages 8 - 14 1 to 7 days
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In this experiment with planaria (a type of flatworm), learners will investigate the capability of different body sections to regenerate.

$5 - $10 per student Ages 11 - 18 1 to 4 weeks
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In this activity, learners discover how bats use echolocation to get information about objects in their environment. During the activity, one learner whispers into a tube.

$1 - $5 per group Ages 4 - 6 10 to 30 minutes
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In this arts and crafts activity about animals and animal characteristics, learners will design animal hats and role-play as animals.

$5 - $10 per group Ages 4 - 6 10 to 30 minutes