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    Oregon Museum of Science and Industry
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    Learners analyze mixtures of dyes using filter paper chromatography. They place spots of the different dyes at the bottom of a piece of filter paper, and hang the paper to touch the surface of...

    $1 - $5 per group Ages 8 - adult Under 5 minutes
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    Biotechnology and Biological Sciences Research Council
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    In this activity (p.23 of PDF), learners dye wool with fungi. Learners discover that natural chemicals in fungi can dye wool different colors. Note: Natural dyeing normally requires a color...

    $10 - $20 per group Ages 11 - 14 2 to 4 hours
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    Oregon Museum of Science and Industry
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    Learners investigate how temperature affects the rate of chemical reactions by observing how steel wool reacts with various types of Kool-Aid solutions at different temperatures. The reaction is...

    $1 - $5 per group Ages 6 - 14 30 to 45 minutes
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    Oregon Museum of Science and Industry
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    Learners add two dyes to mineral oil and water, and then compare their miscibility (how well they mix) in each. Learners discover that the molecular structure of a dye determines whether it will...

    $1 - $5 per group Ages 8 - 18 5 to 10 minutes
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    Mount Holyoke College
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    In this two-part activity about luminescence, learners explore the chemistry that happens inside glow sticks and other light producing reactions. First, learners build a ground state model and a...

    $1 - $5 per group Ages 8 - 14 1 to 2 hours
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    The Exploratorium
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    In this activity, learners stain fabrics--on purpose! Learners explore the art of natural dyeing by using dyes and substrates that are both derived from plant or animal sources as well as mordant...

    Over $20 per group Ages 11 - 18 1 to 2 hours
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    University of Nebraska State Museum
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    In this two-day activity (on pages 16-22), learners use a process like that of the Yoruba people of Nigeria to create an African symbol on cloth. Learners first make cassava gel, then paint...

    $10 - $20 per group Ages 8 - 14 1 to 7 days
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    Lawrence Hall of Science
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    In this activity and/or field trip, learners investigate the water currents that aquatic animals create when they breathe, feed, and propel themselves through water. Learners trace the currents in...

    $10 - $20 per group Ages 8 - 18 30 to 45 minutes
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    APSnet
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    In this experiment related to plant biotechnology, learners discover how to prepare and load an electrophoresis gel. They will then run the gels in an electrophoresis system to separate several...

    Over $20 per group Ages 11 - adult 1 to 2 hours
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    Twin Cities Public Television
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    In this activity (page 1 of the PDF under SciGirls Activity: Forensics), learners will use a home video camera with a “night vision” mode to test how various inks appear outside the spectrum of...

    Over $20 per group Ages 8 - 14 30 to 45 minutes