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    American Chemical Society
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    In this activity, learners examine the parts of a thermometer. After placing a thermometer in hot and cold water, learners look at molecular model animations of the liquid in a thermometer....

    $1 - $5 per group Ages 11 - 14 45 to 60 minutes
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    The Exploratorium
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    In this activity, learners can create five-layer density columns by employing one of three (or all) methods. Method 1 gives the names of the liquids and the order for adding them, and its goal is...

    $5 - $10 per group Ages 11 - 18 45 to 60 minutes
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    Science Friday
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    In this activity, learners experiment with different variables in making hollandaise sauce to achieve the correct texture and consistency. Learners investigate immiscible liquids and how to use...

    $10 - $20 per student Ages 11 - 14 45 to 60 minutes
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    American Chemical Society
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    In this activity, learners add food coloring to hot and cold water to see whether heating or cooling affects the speed of water molecules. Learners watch molecular model animations to see the...

    $1 - $5 per group Ages 11 - 14 45 to 60 minutes
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    Oregon Museum of Science and Industry
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    Learners observe working lava lamps to understand how they work (included in PDF link). Learners discover that liquids may not be miscible, or won't mix together, because of differences in...

    $10 - $20 per group Ages 8 - adult 10 to 30 minutes
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    The Exploratorium
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    It's difficult to see convection currents in any liquid that's undergoing a temperature change, but in this Exploratorium Science Snack, you can see the currents with the help of food...

    1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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    Oregon Museum of Science and Industry
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    Learners pour equal amounts of coffee, mineral oil, corn syrup, and alcohol into a beaker. The liquids resolve into stacked layers, and learners can infer which liquids are the most and least dense...

    $1 - $5 per group Ages 11 - 18 10 to 30 minutes
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    Community Science Workshop Network
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    In this activity, learners explore how hot and cold water move. Learners observe that temperature and density affect how liquids rise and fall. Learners also discover that although they can't...

    $1 - $5 per student Ages 4 - 11 45 to 60 minutes
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    Community Science Workshop Network
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    In this activity, learners experiment with the density of ice, water, and oil. Learners will discover that the density of a liquid determines whether it will float above or sink below another...

    $1 - $5 per student Ages 6 - 11 10 to 30 minutes
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    Community Science Workshop Network
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    In this activity, learners use oil, water, food coloring and antacid tablets to create a bubbling lava lamp. Use this activity to introduce concepts related to density, hydrophobicity vs....

    $5 - $10 per student Ages 6 - 11 10 to 30 minutes

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