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    This activity (on page 2 of the PDF) is a full inquiry investigation into sound. Groups of learners will use a decibel meter or a simple set of benchmark sounds to record and quantify sound levels...

    Over $20 per group Ages 8 - 14 2 to 4 hours
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    In this activity (page 1 of the PDF), learners will use a home video camera with a “night vision” mode to test how various inks appear outside the spectrum of visible light. In a darkened room,...

    Over $20 per group Ages 8 - 14 30 to 45 minutes
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    This activity (on page 2 of the PDF) is a full inquiry investigation into sound frequency. Groups of learners will use an electronic keyboard (if one is available) to identify which note on the...

    $5 - $10 per group Ages 8 - 14 1 to 2 hours
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    This is an activity (on page 2 of the PDF) about surface area to volume ratio. Learners will bake sugar cookies, testing how much colored sugar is rolled up by 1 large ball of dough vs. an equal...

    $10 - $20 per group Ages 8 - 14 30 to 45 minutes
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    This activity (on page 2 of the PDF) is a full inquiry-based challenge related to motion and design optimization. Groups of learners will use construction paper to build a model bobsled run for a...

    $1 - $5 per group Ages 8 - 14 1 to 2 hours
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    This activity (page 2 of the PDF) is a full inquiry investigation into animal behavior and communication. Groups of learners will fashion a headband with fake ears, similar in shape to those of the...

    $5 - $10 per group Ages 8 - 14 1 to 2 hours
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    This activity (page 2 of the PDF) is a full inquiry investigation into decomposition. Groups of learners will carefully observe and record the appearance of items, such as an apple, that can...

    $10 - $20 per group Ages 8 - 14 1 to 4 weeks
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    In this activity, learners build penetrometers to test leaf toughness. Biologists measure leaf toughness to study the feeding preferences of insects and bugs.

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    In this quick and easy activity, learners build an air cannon "drum" and see what happens when they "shoot" puffs of air at different targets. The activity allows learners to...

    1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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    This activity (located on page 4 of the PDF) is a full inquiry investigation into testing a repair material. Groups of learners perform “first aid” on a cut orange, which represents propeller...

    $5 - $10 per group Ages 8 - 14 1 to 7 days

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