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    Michigan Reach Out!
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    In this activity, learners find out what happens when they cover leaves with pieces of black construction paper. This activity shows learners that plants need sunlight to survive. Use this activity...

    $1 - $5 per group Ages 4 - 11 1 to 7 days
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    NSBRI
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    In this activity about daily rhythms (on page 17 of the PDF), learners will explore circadian patterns in humans, animals and plants. They will observe that some behaviors and functions of living...

    $1 - $5 per group Ages 8 - 14 1 to 7 days
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    NSBRI
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    In this activity (on page 12 of the PDF), learners make a sundial (shadow clock) appropriate for their geographic location in the northern hemisphere and use it to tell time. This is an...

    $1 - $5 per group Ages 8 - 14 1 to 7 days
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    Museum of Science and Industry, Chicago
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    Learners place cut flowers in colored water and observe how the flowers change. The flowers absorb the water through the stem and leaves. By watching the journey of harmless food coloring, learners...

    $1 - $5 per student Ages 8 - 18 1 to 7 days
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    Community Science Workshop Network
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    In this activity, learners plant seeds and watch them sprout and grow inside a CD case. This is a creative way to introduce learners to the process of germination as well as plant anatomy and...

    1 cent - $1 per student Ages 4 - 11 1 to 7 days
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    American Museum of Natural History
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    In this activity, learners make a miniature greenhouse or "terrarium" to explore the greenhouse effect. Learners will first construct their model greenhouse using a clear, tall airtight...

    $1 - $5 per student Ages 8 - 18 1 to 7 days
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    Biotechnology and Biological Sciences Research Council
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    In this activity, learners determine the necessary conditions for pea seed germination. This activity encourages learners to make predictions and think about how they might investigate the effects...

    $5 - $10 per group Ages 8 - 11 1 to 7 days
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    Twin Cities Public Television
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    In this activity, learners explore the structure of plant leaves. Learners find out what happens when they coat either the top or bottom sides of leaves with petroleum jelly. Use this activity to...

    $5 - $10 per group Ages 6 - 14 1 to 7 days