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    NISE Network
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    In this activity, learners investigate how some butterfly wings get their color. Learners compare Buttercup and Blue Morpho butterflies and discover what happens when they shine light at each of...

    Over $20 per group Ages 4 - adult 10 to 30 minutes
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    The Science House
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    In this chemistry activity, learners will separate a mixture of FD&C dyes (colors certified and allowed by the US for the Food, Pharmaceutical, Cosmetics & Personal Care industry) to...

    $5 - $10 per group Ages 8 - 18 30 to 45 minutes
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    American Chemical Society
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    In this activity on page 6 of the PDF, learners use glue instead of glass to create artwork that can be hung in a window. Discover how the chemicals in various materials mix together to make a...

    $1 - $5 per student Ages 6 - 14 4 to 24 hours
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    Oregon Museum of Science and Industry
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    This is written as a display, but can easily be adapted to a hands-on activity. Learners observe and shake containers of shiny liquids. Inside the containers are mixtures of water and some small...

    $5 - $10 per group Ages 4 - 14 5 to 10 minutes
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    The Exploratorium
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    In this activity, learners explore the question "What is paper?" Learners discover the processes and materials required to make paper while experimenting with different recycled fibers...

    Over $20 per student Ages 8 - 18 1 to 7 days
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    NISE Network
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    In this activity, learners explore how nanosized structures can create brilliant color. Learners examine Blue Morpho butterflies in the light and discover what happens when they put a drop of...

    Over $20 per group Ages 6 - adult 10 to 30 minutes
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    The Exploratorium
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    In this activity, learners try to float ink on the surface of water to create a pattern and then capture it with absorbent paper. This technique, called Suminagashi, is an ancient Japanese style of...

    Over $20 per student Ages 8 - 18 45 to 60 minutes
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    The Exploratorium
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    With a coffee filter, a black marker, and a cup of water, discover the secret colors hidden in black ink. This activity explores capillary action--how water moves up paper--and chromatography--how...

    1 cent - $1 per student Ages 8 - 18 5 to 10 minutes