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    This activity (located on page 3 of the PDF) is a full inquiry investigation into tree growth rates. Groups of learners will count tree rings to determine each tree’s age. A thorough sample of...

    $10 - $20 per group Ages 8 - 14 45 to 60 minutes
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    This is a quick activity (on page 2 of the PDF) that illustrates how nanoscale structures, so small they're practically invisible, can produce visible/colorful effects. Learners will use clear...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    In this activity, learners create a star show and discover how they can prevent light pollution. Using simple materials, learners first design constellation boxes. Next, learners use their...

    $5 - $10 per group Ages 8 - 14 1 to 2 hours
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    In this activity (page 1 of the PDF), learners will stand twelve feet apart swinging a rope at the slowest tempo possible while someone uses a stopwatch to record the number of twirls per minute....

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    This activity (located on page 3 of the PDF) is a full inquiry investigation into Bernoulli’s principle and airplane wings. Learners will design and build their own airplane wing models out of...

    $5 - $10 per group Ages 8 - 14 45 to 60 minutes
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    This activity (located on page 3 of the PDF) is a full inquiry investigation into raising livestock. Groups of learners will each pick an animal they might like to raise, make a chart of the...

    $1 - $5 per group Ages 8 - 14 1 to 2 hours
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    This is a quick game about self-assembly. Like the molecules of DNA, learners will self-assemble into a pattern by following a simple set of rules. The icebreaker game is part of a larger self...

    free Ages 8 - 14 10 to 30 minutes
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    This is a quick activity (located on page 2 of the PDF) about surface tension. Learners will predict how many pennies can be placed in a full glass of water before it overflows. Water has a...

    free Ages 8 - 14 10 to 30 minutes
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    In this quick activity (on page 2 of the PDF), learners will observe how dry breakfast cereal appears to dance when it gets close to a balloon charged with static electricity. Then, learners...

    1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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    In this quick activity (page 1 of the PDF) about sound vibrations, learners will investigate which small objects, such as coins, hex nuts, or marbles, produce the loudest “screams” when swirled...

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

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