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    University of Utah
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    In this activity, learners follow step-by-step instructions to build a gel electrophoresis chamber using inexpensive materials from local hardware and electronic stores. Then, learners follow...

    Over $20 per group Ages 11 - 18 45 to 60 minutes
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    Mount Holyoke College
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    In this activity, learners build models of atoms and molecules, then consider their role in different phases of matter, density, and mixtures and solutions. The atomic models are made first from...

    $1 - $5 per student Ages 8 - 14 30 to 45 minutes
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    PBS
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    In this math lesson, learners identify and compare unit costs of given items. Learners use computation skills, problem solving and number sense to find the cost of an ounce of cereal. Learners...

    $10 - $20 per group Ages 8 - 11 45 to 60 minutes
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    PBS
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    In this math lesson, learners explore tessellations through literature, music, writing, and art activities. First, learners take a walk to identify and photograph real-life examples of...

    $10 - $20 per group Ages 6 - 8 1 to 2 hours
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    Lunar and Planetary Institute
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    In this demonstration, learners compare the relative sizes and masses of scale models of the planets as represented by fruits and other foods. Learners dunk the "planets" in water to...

    $10 - $20 per group Ages 8 - 14 30 to 45 minutes
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    Lunar and Planetary Institute
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    In this activity, learners build edible models of Jupiter and Earth to compare their sizes and illustrate the planets' internal layers. Learners discuss how the Juno mission will infer details...

    $10 - $20 per group Ages 8 - 14 30 to 45 minutes
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    NISE Network
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    In this activity, learners make self-assembled polymer spheres. Learners discover that self-assembly is a process by which molecules and cells form themselves into functional structures, and that...

    $10 - $20 per group Ages 4 - adult 10 to 30 minutes
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    Sciencenter
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    In this activity, learners use gumdrops and toothpicks to model the composition and molecular structure of three greenhouse gases: carbon dioxide (CO2), water vapor (H2O) and methane (CH4)....

    $1 - $5 per group Ages 6 - 14 10 to 30 minutes
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    NASA
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    In this three-part activity, learners use food to determine the effects of wind, sandblasting and water on regolith (dust) formation and deposition on Earth. Then, learners simulate regolith...

    $1 - $5 per student Ages 8 - 18 45 to 60 minutes
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners develop an understanding of air pressure in two different activities. They model the magnitude of air pressure as gravitational force per unit area, and they use cookie wafers to model how...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes

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