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    Smithsonian Center for Education and Museum Studies
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    In this online interactive, learners use fossils to infer temperatures 55 million years ago, at the sites where the fossils were found. Using their observation skills, learners examine fossils of...

    free Ages 11 - 18 10 to 30 minutes
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    The Exploratorium
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    In this calculus activity, learners use a classic problem of geometrical probability to find an important mathematical constant (pi). Learners explore Buffon’s needle problem (which asks the...

    $1 - $5 per group Ages 14 - 18 10 to 30 minutes
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    Science Friday
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    In this activity, learners watch a video to learn about a couple who built a home out of shipping containers in Brooklyn, New York. Next, learners design and build a 3D scale model of a shipping...

    1 cent - $1 per student Ages 11 - 18 10 to 30 minutes
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    National Park Service
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    In this online interactive, learners explore the various types of life that live in fresh water systems and how the presence of these organisms is an indication of the overall health of the water....

    free Ages 8 - 14 10 to 30 minutes
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    NOAA
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    In this activity, learners will measure the length of a shadow and use the distance from the equator to calculate the circumference of the earth. Note: This experiment can only be done at solar...

    1 cent - $1 per group Ages 8 - 18 10 to 30 minutes
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    The Actuarial Foundation
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    In this math game, learners determine what makes a spinner fair or unfair. Learners first play a round with a pre-made spinner that isn't very fair. Then, learners design a new spinner that is...

    1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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    WNET
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    In this Cyberchase activity, learners use numbers to create CyberOlympic teams with the fastest times. Learners select players that have the best (lowest) times in three events (running, swimming,...

    1 cent - $1 per group Ages 8 - 11 10 to 30 minutes
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    Children's Museum Of Houston
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    In this activity, learners use measurement concepts to make models of what their body parts might look like if they were a snake or a chameleon.

    $1 - $5 per student Ages 8 - 11 10 to 30 minutes
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    The Exploratorium
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    In this activity, learners explore scale by using building cubes to see how changing the length, width, and height of a three-dimensional object affects its surface area and its volume. Learners...

    1 cent - $1 per student Ages 11 - 14 10 to 30 minutes
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    The Actuarial Foundation
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    In this math game, learners examine the probability of rolling sums from 0 to 12 with two dice. The first player to reach the finish line is the winner. Older learners can list all possible...

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

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