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    Oregon Museum of Science and Industry
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    This display shows slow chemical reactions in colorful crystal formations known as Liesegang Rings. These reactions are similar to those forming the rings in agates. This activity is recommended...

    $5 - $10 per student Ages 14 - adult 1 to 4 weeks
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    The Exploratorium
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    The Ancient Egyptians used a naturally-occurring salt from the banks of the Nile River, called natron, to mummify their dead. Natron is made up primarily of sodium carbonate (a very efficient, but...

    $5 - $10 per group Ages 8 - 18 1 to 4 weeks
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    BioEd
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    In this food science activity, learners conduct an experiment that demonstrates the importance of light to plants. This 1-2 week activity allows learners to learn about the needs of plants and...

    $5 - $10 per group Ages 8 - 14 1 to 4 weeks
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    NASA
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    In this activity learners observe mold growth on different types of bread by measuring and recording the growth rate. Educators can use this activity to introduce a challenge astronauts face while...

    $5 - $10 per group Ages 8 - 14 1 to 4 weeks
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    New Jersey Department of Education
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    In this fun and in depth hands-on experiment, learners test various liquid samples (distilled water, lemon juice, vinegar, and baking soda mixed with water) to determine their pH levels and...

    $5 - $10 per group Ages 11 - 18 1 to 4 weeks
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    Science Museum of Minnesota
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    Build your own Mini Mini Golf Course and learn about hands-on building and design, basic circuitry, motion modules and more! Start with the step-by-step photo documentation of other teams'...

    $5 - $10 per student Ages 8 - 18 1 to 4 weeks
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    NOAA
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    In this activity, learners model estuaries, artificially enriching both fresh and salt water samples with different amounts of nutrients and observing the growth of algae over several weeks....

    $5 - $10 per group Ages 14 - 18 1 to 4 weeks
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    Oregon Museum of Science and Industry
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    This guide outlines how to plant a garden even if you don't have a yard! It gives advice on how to prepare a container for plants and how to cultivate seedlings so they can grow enough to be...

    $5 - $10 per student Ages 8 - adult 1 to 4 weeks
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    The Maryland Zoo in Baltimore
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    Use the Zoo Calendar (page 1 of PDF) to involve learners in interdisciplinary, whole language, and writing activities about ecological concepts. Each 30-45 minute activity emphasizes the concept of...

    $5 - $10 per group Ages 6 - 11 1 to 4 weeks
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    PBS
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    In this "Sid the Science Kid" activity from Episode 107: My Shrinking Shoes, learners observe how plants change as they grow. Learners examine the effects of growth by measuring and...

    $5 - $10 per group Ages 4 - 6 1 to 4 weeks

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