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In this family or group inquiry activity, learners use their senses to explore a local forest or woodland.

1 cent - $1 per group Ages 6 - 11 1 to 2 hours
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In this demonstration, learners observe the effects of density and pressure. A "diver" constructed out of a piece of straw and Blu-Tack will bob inside a bottle filled with water.

1 cent - $1 per group Ages 4 - adult Under 5 minutes
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In this activity, learners explore how salt water freezes in comparison to fresh water.

1 cent - $1 per group Ages 6 - 14 1 to 2 hours
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In this fun activity about spiders, learners build and design a spider from cardstock, straw, string, and pipe cleaners.

1 cent - $1 per student Ages 4 - 6 10 to 30 minutes
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Professor John Endler traveled to Trinidad in the 1970s to study wild guppies. In this activity, learners take part in an online simulation of Endler's work.

1 cent - $1 per group Ages 11 - adult 45 to 60 minutes
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In this creativity-based activity, learners imagine what the Earth will look like in the near and distant future, then design their own future habitat and creatures that may live there.

1 cent - $1 per student Ages 6 - 14 30 to 45 minutes
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In this activity, learners investigate feeding relationships. Learners complete a food web and then make a mobile to represent a food chain.

1 cent - $1 per student Ages 6 - 14 45 to 60 minutes
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This activity has three story puzzles learners can solve to learn about life in the Arctic.

1 cent - $1 per student Ages 4 - 8 30 to 45 minutes
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In this activity, learners practice counting and multiplication as they figure out how many animal body parts they have to examine as "Dr. Vet."

1 cent - $1 per group Ages 4 - 8 10 to 30 minutes
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This activity gets learners looking at 6-sided shapes in nature, including the cells of a beehive, as well as other shapes.

1 cent - $1 per group Ages 4 - 14 1 to 7 days
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Este Web site contiene links a 12 calendarios (12 meses). Cada mes contiene actividades sobre matemáticas.

1 cent - $1 per group Ages 4 - 14 1 to 2 hours
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In this activity, learners play an evolution card game to see how selective pressures can affect an organism's evolution.

1 cent - $1 per group Ages 8 - 18 1 to 2 hours
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In this activity on page 60, learners examine and simulate wildlife entanglement by experiencing what it might be like to be a marine animal trapped in debris.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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In this activity, learners use information gathered from a variety of sources to design and make their own insect.

1 cent - $1 per student Ages 4 - 14 45 to 60 minutes
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In this activity (page 7 of pdf), learners research tide pool ecosystems, and then create brochures that "advertise" these environments.

1 cent - $1 per student Ages 8 - 11 2 to 4 hours
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In this graphing exercise (page 2 of the pdf), learners compare their own height to the length of various sharks.

1 cent - $1 per student Ages 8 - 11 45 to 60 minutes
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In this simulation activity, learners will raise a pack of wolves under ten different conditions: without human interference and with human interference.

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners will experiment with the physics of forces - kinetic energy and friction while making a moving toy woodpecker.

1 cent - $1 per student Ages 4 - 14 5 to 10 minutes
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In this activity, learners simulate a wolf and its habitat and observe what happens when the limiting factors change over time.

1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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In this Cyberchase activity, learners use the numbers one through six to solve a puzzle.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes