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    NASA
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    In this activity (page 10 of PDF), learners approximate the area of the uppermost cross section of an impact crater using a variety of square grids. They conclude which angle of impact results in...

    $5 - $10 per student Ages 8 - 14 45 to 60 minutes
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    Oregon Museum of Science and Industry
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    Learners build models to learn about the special cells and structures that plants use to move water from their roots up through the stems and leaves. The celery-in-colored-water demonstration...

    $5 - $10 per group Ages 8 - 11 1 to 7 days
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    Cornell Center for Materials Research
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    In this activity (pages 3-4), learners investigate the properties of smart materials, which are materials that respond to things that happen around them. This activity explores the properties of...

    $5 - $10 per student Ages 8 - adult 10 to 30 minutes
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    Lunar and Planetary Institute
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    In this activity, learners drop impactors onto layers of graham crackers! The process models how impacts throughout the Moon's history have broken rocks down into a mixture of dust, rocks, and...

    $5 - $10 per group Ages 8 - 14 10 to 30 minutes
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    IEEE
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    In this activity, learners explore how packaging engineers develop customized shipping and packaging containers to meet the needs of many different industries. Learners learn about different...

    $5 - $10 per group Ages 8 - 18 1 to 7 days
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    Oregon Museum of Science and Industry
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    Learners observe a sealed test tube containing a small amount of solid stearic acid. Under adult supervision, learners place the test tube into a beaker of hot water and observe the white stearic...

    $5 - $10 per group Ages 11 - 18 5 to 10 minutes
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    IEEE
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    In this activity, learners explore how product design differences can affect the success of a final product -- in this case a bag for holding candy. Learners work in pairs to evaluate, design, and...

    $5 - $10 per group Ages 8 - 18 1 to 2 hours
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    Oregon Museum of Science and Industry
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    In this experiment, learners will conduct chemical and physical tests to identify mystery substances. This experiment is very flexible, allowing educators to determine the number of unknowns to...

    $5 - $10 per group Ages 8 - 14 45 to 60 minutes
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    Community Science Workshop Network
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    In this activity, learners experiment with hydrogen peroxide, vinegar, yeast, and baking soda to produce hot and cold reactions. Use this activity to demonstrate exothermic and endothermic reactions.

    $5 - $10 per student Ages 8 - 18 10 to 30 minutes
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    Community Science Workshop Network
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    Learners explore magnetism and motion as they build a simple marble run. Learners test different arrangements of plastic and cardboard tubes, bottles, and cups on a magnetic board. Learners use...

    $5 - $10 per student Ages 6 - 14 1 to 2 hours

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