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    Lawrence Hall of Science
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    In this activity, learners explore the property of surface tension by carefully dripping water onto a penny and counting how many drops fit before the water spills over the edge of the penny. Then...

    1 cent - $1 per group Ages 6 - 14 30 to 45 minutes
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    WGBH
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    In this activity, learners mix up a bubbly brew and examine density. Learners explore how they can make different materials fall and rise in water using oil, water, and salt. Learners can...

    $1 - $5 per student Ages 6 - 11 5 to 10 minutes
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    Oregon Museum of Science and Industry
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    This lesson gives full instructions for making cabbage juice indicator, a procedure sheet for learners to record observations as they use the indicator to test materials, and extension activities...

    $1 - $5 per group Ages 6 - 14 30 to 45 minutes
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    U.S. Department of Energy's Office of Energy Efficiency and Renewable Energy
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    In this activity, learners work in groups to build simple solar stills filled with salt water. After the stills are complete, learners observe what happens when they place the stills in the sun....

    1 cent - $1 per group Ages 4 - 11 45 to 60 minutes
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    Science Museum of Minnesota
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    Experiment with liquids of different densities and create liquid layers. For example, oil and water have different densities: oil floats on water because it is less dense than water. A liquid that...

    1 cent - $1 per student Ages 4 - 8 10 to 30 minutes
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    COSI
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    In this activity about magnetism (page 13 of the pdf), learners will experiment with magnets to explore how water and other liquids affect the strength of magnetic fields.

    $1 - $5 per group Ages 6 - 11 10 to 30 minutes
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    New York Hall of Science
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    Make a hilarious honker! Fasten a piece of string through a hole in the end of a plastic cup and discover the hilarious sounds you can make. Find out how the length, tautness and wetness of the...

    1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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    American Chemical Society
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    In this activity on page 7 of the PDF, learners follow a recipe to make a dough similar to the clay artists use to make sculptures. Learners mix ingredients, knead the dough, and then shape and...

    $1 - $5 per student Ages 6 - 11 10 to 30 minutes
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    WGBH
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    In this activity, learners explore static electricity and electrical charges while experimenting with an inflated balloon, unflavored gelatin powder, and a wool sweater. Challenge learners to...

    $1 - $5 per student Ages 6 - 11 Under 5 minutes
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    Science Museum of Minnesota
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    In this experiment, learners isolate Deoxyribonucleic Acid (DNA) from onion cells using a simple extraction procedure. The procedure will take approximately 10-15 minutes and will involve several...

    $1 - $5 per group Ages 6 - 14 10 to 30 minutes

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