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    In this activity, learners identify different plastics in a mystery bag. Learners discover that plastics are classified #1 through #7. Learners then categorize plastics based on characteristics...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    This is an activity (located on page 3 of the PDF) about the use of reduction agents to decontaminate ground water. Learners will conduct a reduction-oxidation (redox) reaction in which vitamin C...

    $10 - $20 per group Ages 8 - 14 2 to 4 hours
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    This activity (on page 2 of the PDF) is a full inquiry investigation into aerial imagery. Learners will use the internet to gather free aerial imagery of nearby points of interest (or use laminated...

    free Ages 8 - 14 45 to 60 minutes
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    This activity is a full inquiry investigation into g-force and acceleration. Groups of learners will construct their own accelerometers. Then, with permission from their local amusement park, they...

    $5 - $10 per student Ages 8 - 14 1 to 7 days
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    In this mechanical engineering activity, learners design shadow puppets with moving parts and use them to tell stories. Learners explore simple and complex linkages while constructing various...

    $10 - $20 per group Ages 8 - 14 2 to 4 hours
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    This activity (on page 2 of the PDF) is a full inquiry investigation into speed and motion and takes place at a water park. Groups of learners will compare two water slides by measuring each ride’s...

    $5 - $10 per group Ages 8 - 14 2 to 4 hours
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    This activity (located on page 3 of the PDF) is a full inquiry investigation into mapping the underground “plumbing” of geysers. Groups of learners will mimic an actual investigation into the...

    1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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    This activity (on page 2 of the pdf) is a full inquiry investigation into how a hockey stick’s flex affects shooting power and accuracy. Groups of learners will gather hockey sticks with three...

    Over $20 per group Ages 8 - 14 1 to 2 hours
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    This activity (on page 2 of the PDF) is a full inquiry investigation into how hairs from a crime scene are matched to suspects. Learners each take a single hair from their own head, then put it...

    Over $20 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 how ordinary things behave in microgravity, similar to what astronauts experience. Groups of learners will prepare a large...

    Over $20 per group Ages 8 - 14 2 to 4 hours

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