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    National Health Museum
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    In this activity that can be used as a lab or demonstration, learners use Lactaid® and lactose to demonstrate the concept of enzyme action. Learners test a drop of milk and Lactaid® for the...

    Over $20 per group Ages 14 - 18 10 to 30 minutes
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    The Exploratorium
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    Why does milk make some people sick? In this activity learners explore this question and explore the chemistry of milk, and our bodies! This activity can also be used as an exploration of enzyme...

    $5 - $10 per group Ages 14 - adult 45 to 60 minutes
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    Oregon Museum of Science and Industry
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    Eggs are placed in vinegar for one or two days to dissolve the shells. Then, learners place the eggs in water or corn syrup and observe them over a period of days. Through the process of osmosis,...

    $1 - $5 per student Ages 6 - 14 1 to 7 days
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    The Exploratorium
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    In this activity, learners cook amino acids and sugar to explore the range of aromas released. When amino acids and sugars are heated, learners will observe a phenomenon known as the Maillard...

    $10 - $20 per group Ages 6 - 14 Under 5 minutes
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    American Chemical Society
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    Learners carefully pour vegetable oil, water, and corn syrup in any order into a cup and discover that regardless of the order they are poured, the liquids arrange themselves in layers the same way...

    $1 - $5 per group Ages 8 - 14 30 to 45 minutes
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    Lawrence Hall of Science
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    In this arts and craft related activity, learners combine various ingredients to make glue. To test the glue's stickiness, they create a decorative project such as a collage, mosaic picture,...

    $1 - $5 per student Ages 6 - 14 45 to 60 minutes
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    American Chemical Society
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    In this activity, learners add different liquids to water and apply their working definition of “dissolving” to their observations. After observing isopropyl rubbing alcohol, vegetable oil, and...

    1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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    American Chemical Society
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    In the related activity called "Colors Collide or Combine," learners are intrigued by the apparent "line" that forms where colors from M&M coatings meet but do not mix. In...

    1 cent - $1 per group Ages 8 - 14 30 to 45 minutes
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    National Health Museum
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    This three-part lab helps learners understand the essential principles governing diffusion and osmosis. Dialysis tubing is used to simulate an animal cell and actual plant cells are used to...

    Over $20 per group Ages 14 - 18 4 to 24 hours
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    The Exploratorium
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    In this activity about osmosis, learners use a naked egg (one with a dissolved eggshell) to learn about selectively permeable membranes. This is a great activity to easily show the qualities of...

    1 cent - $1 per student Ages 11 - 18 10 to 30 minutes

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