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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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    New Jersey Department of Education
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    Did you know that the water we use today is the same water found on Earth millions of years ago? The Earth constantly uses and recycles water in a process called the water cycle. In this lesson,...

    $5 - $10 per group Ages 8 - 14 1 to 7 days
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    National Health Museum
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    In this activity, learners calculate the number of milliliters of water a nearby tree transpires per day. First, teams of learners go outdoors to collect five leaves from a mulberry or cottonwood...

    $1 - $5 per group Ages 14 - 18 4 to 24 hours
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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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    Lawrence Hall of Science
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    In this outdoor activity, learners compare the moisture released from different kinds of leaves and from different parts of the same leaf, by observing the color change of cobalt chloride paper....

    $10 - $20 per group Ages 8 - 18 45 to 60 minutes
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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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    NOAA
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    In this activity, learners act as water molecules and travel through parts of the water cycle to discover that it is more complex than just water moving from the ground to the atmosphere. Learners...

    free Ages 6 - 14 30 to 45 minutes
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    American Chemical Society
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    In this activity, learners thread colored beads onto string. Each beach represent a process of the water cycle. This resource contains a diagram showing the water cycle and provides definitions for...

    $1 - $5 per student Ages 8 - 11 Under 5 minutes
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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