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    NOAA
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    In this activity, learners observe the effect of transpiration as water is moved from the ground to the atmosphere. Learners conduct the experiment by placing a large plastic bag over a living limb...

    1 cent - $1 per group Ages 6 - 14 2 to 4 hours
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    New York Hall of Science
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    In this activity, learners create a biosphere in a baggie. Learners add soil, seeds and a little water in a ziplock bag, tape the bag to a sunny window and observe a microcosm of the water cycle ...

    $1 - $5 per student Ages 4 - 11 1 to 7 days
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    American Chemical Society
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    In this activity on page 7 of the PDF (Plants—The Green Machines), learners examine the effects that light and air have on green plants. Learners plant seeds in two containers and compare what...

    $1 - $5 per student Ages 6 - 11 1 to 4 weeks
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    American Chemical Society
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    In this activity, learners try to revive wilted celery. Learners discover that plants wilt when their cells lose water through evaporation. Use this activity to introduce capillary action. Activity...

    $1 - $5 per group Ages 4 - 11 4 to 24 hours
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    COSI
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    In this combination chemistry and physics activity, learners explore water absorption in dried beans or peas and learn how this affects their physical properties. They observe changes in size, skin...

    $1 - $5 per student Ages 6 - 11 1 to 7 days
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    New York Hall of Science
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    Discover how the salt in soil affects plant growth with a few seeds, some cotton, and salt. In this hands-on activity, you will plant seeds in 2 different kinds of soil, containing more or less...

    1 cent - $1 per student Ages 6 - 11 1 to 7 days
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    NEON, Inc.
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    In this activity, learners create colorful bead bracelets to wear outside while searching for matching colors in plants. Learners will be surprised by the variety of colors in nature. This activity...

    $5 - $10 per group Ages 4 - 8 45 to 60 minutes
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    Explora
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    In this activity, learners will explore the density of an object in water. Learners will compare what happens to fruits and vegetables in regular and salt water. This activity has a step by step...

    $1 - $5 per student Ages 4 - 14 5 to 10 minutes
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    Explora
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    In this activity, learners will experiment with changing flower colors. Learners will investigate the effects of acids and bases on flower colors. Activity includes step-by-step instructions and...

    $1 - $5 per group Ages 4 - adult 10 to 30 minutes
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    Explora
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    In this activity, learners will investigate the part of soil. Explore how clay, silt, and sand make up the dirt in your background. Activity includes step-by-step instructions and extension ideas....

    free Ages 4 - adult 10 to 30 minutes

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