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    COSI
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    In this activity about potential and kinetic energy, learners get to roll a can across the floor and then watch it roll back to them as if by magic. This activity is always great for looks of...

    $1 - $5 per student Ages 11 - 14 10 to 30 minutes
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    Biotechnology and Biological Sciences Research Council
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    In this activity (p.8-9 of PDF), learners investigate the evolution of wheat by conducting sedimentation tests on different flours. The evolution of wheat from wild grasses demonstrates the...

    $5 - $10 per group Ages 8 - adult 10 to 30 minutes
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    University of Massachusetts Amherst
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    In this demonstration, learners explore the thermal properties of rubber. Learners investigate whether a rubber band contracts or expands when heated. Learners discover that when rubber is heated...

    $1 - $5 per group Ages 14 - adult 10 to 30 minutes
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    Oregon Museum of Science and Industry
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    As a group, learners investigate three packages which are all the same size and shape, but have different contents. One is filled with foam, one is filled with wood, and one is filled with metal....

    $1 - $5 per group Ages 4 - 11 10 to 30 minutes
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    Oregon Museum of Science and Industry
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    In this activity, learners experiment with their voices and noisemakers to understand the connections between vibrations and the sounds created by those vibrations. This resource includes three...

    $10 - $20 per group Ages 4 - 6 10 to 30 minutes
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    Sciencenter
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    In this chemistry challenge, learners systematically investigate which combination of four solutions produces a deep red color. The four solutions are iron(III) chloride, ammonium thiocyanate,...

    $10 - $20 per group Ages 11 - 18 10 to 30 minutes
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    American Association for the Advancement of Science
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    Learners model the ocean currents that carry hot water from the tropics to northern latitudes. By placing small containers of hot and cold water inside a larger container of cold water, learners...

    $1 - $5 per group Ages 8 - 11 10 to 30 minutes
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    The Exploratorium
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    In this demonstration, amaze learners by performing simple tricks using mirrors. These tricks take advantage of how a mirror can reflect your right side so it appears to be your left side. To make...

    Over $20 per group Ages 8 - 14 10 to 30 minutes
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    Biotechnology and Biological Sciences Research Council
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    In this activity (p.3-4 of PDF), learners learn about disease transmission and antibiotic resistance. In this activity, an educator shows what could happen if one learner has not washed his/her...

    $1 - $5 per group Ages 8 - 11 10 to 30 minutes
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    University of Washington
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    In this activity (6th on the page), learners investigate how photoreceptors in the eye (rods and cones) "adapt" to low light conditions. Learners sort similar bottle caps in a well-lit...

    free Ages 8 - 18 10 to 30 minutes

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