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    COSI
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    In this activity about light, learners explore how water can refract light and change the way they see things. In the "Now Explore" section, suggestions for other liquids are given, and...

    1 cent - $1 per student Ages 8 - 11 10 to 30 minutes
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    COSI
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    This is an activity about the behavior of light. Using simple, everyday objects, learners will discover that light moves in straight lines until acted upon by another object. Light moves so fast,...

    $1 - $5 per student Ages 8 - 11 10 to 30 minutes
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    COSI
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    This is an activity about waves. Using marbles, paper clips and rubber bands, learners explore how waves behave. This is an excellent activity to use to lead into discussion of waves of all sorts ...

    $1 - $5 per student Ages 4 - 14 10 to 30 minutes
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    COSI
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    In this amazing activity about light and reflection, learners will use a pie plate and reflective strips from a mylar balloon to try to morph their face into a friend's. Included as part of...

    $5 - $10 per group Ages 6 - 14 30 to 45 minutes
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    Oregon Museum of Science and Industry
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    Learners mix a solution containing luminol and copper with a fake blood solution. A chemical reaction between the luminol solution and fake blood (hydrogen peroxide) show learners a blue glow....

    $1 - $5 per group Ages 11 - adult 5 to 10 minutes