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    Lawrence Hall of Science
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    In this outdoor activity, learners find the swollen bumps known as "galls" on various plants and get a closeup look at the parasitic animals living inside. Galls form on various plants...

    $5 - $10 per group Ages 8 - 18 45 to 60 minutes
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    Lawrence Hall of Science
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    In this outdoor, ocean-side activity, learners investigate the distribution of organisms in the upper region of the intertidal zone. Many coastal animals survive long exposures to air, high...

    $10 - $20 per group Ages 8 - 18 45 to 60 minutes
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    Lawrence Hall of Science
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    Learners make a "menu" of any plants in their lunch for Monday through Friday and draw the plants from their lunch. Plants can include fruits, vegetables, grains in cereal or bread, and...

    free Ages 6 - 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
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    Museum of Science and Industry, Chicago
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    See what happens when plants compete for survival in an area with limited resources. What survives? How is plant quality affected? Any plant that can get more water, nutrients, and sunlight than...

    $1 - $5 per group Ages 6 - 18 1 to 4 weeks
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    As a model of acid rain, learners water plants with three different solutions: water only, vinegar only, vinegar-water mixture. After a period of days or weeks, learners see the effect acid has on...

    $10 - $20 per group Ages 8 - 14 1 to 4 weeks
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    Educational Development Center, Inc.
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    In this indepth hands-on activity, learners build a structure that allows them to observe the growth of roots and the correlation between root growth and stem extension. Because no dirt is used in...

    $10 - $20 per group Ages 8 - 14 1 to 4 weeks
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    The Exploratorium
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    In this hands-on botany activity, learners sprout vegetables in film canisters. Learners grow nine seeds each of cabbage, radish, and parsley, experimenting with changing one variable (light, water...

    1 cent - $1 per student Ages 4 - 11 1 to 4 weeks
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    Lawrence Hall of Science
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    In this outdoor mapping activity, learners explore where plants grow and map plant-distribution patterns. Learners also investigate environmental factors such as wind, light, moisture, and animal...

    $5 - $10 per group Ages 8 - 18 45 to 60 minutes
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    Lawrence Hall of Science
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    In this outdoor activity, learners become beachcombers as they walk on a sandy beach in search of evidence of life. Learners gather examples and consider how the collected artifacts reached the...

    $1 - $5 per group Ages 4 - 14 45 to 60 minutes

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