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    New York Hall of Science
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    Test the buoyancy of an aluminum foil boat and an aluminum foil ball. Why does the same material in different shapes sink or float? This activity explores the fact that the amount of water pushed...

    1 cent - $1 per student Ages 4 - 11 10 to 30 minutes
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    WGBH
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    In this water activity, learners build boats that float and sink. First, learners listen to the book, "Who Sank the Boat" and practice making predictions throughout the story. Then,...

    $5 - $10 per group Ages 4 - 6 45 to 60 minutes
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    Children's Museum of Indianapolis
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    In this activity, learners explore what makes a boat float and sink. They examine and test various objects to determine why objects float or sink. This experience can prepare learners for a science...

    $5 - $10 per group Ages 4 - 8 45 to 60 minutes
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    COSI
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    In this chemistry experiment, learners get to make a very bizarre substance using corn starch and water. Is it a solid? Is it a liquid? Or is it a different kind of substance entirely? Sometimes...

    $1 - $5 per group Ages 4 - 11 10 to 30 minutes
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    Community Science Workshop Network
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    In this activity, learners build magnetic towers to explore the forces and properties of magnets. This activity allows learners to experiment and play with magnets and feel first-hand the force of...

    $5 - $10 per student Ages 4 - 11 45 to 60 minutes
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    NASA
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    In this activity, learners build water-propelled engines from soft drink cans. Water flowing out of holes in the can cause the can to rotate in the direction opposite to the stream, explained by...

    $1 - $5 per group Ages 4 - 14 30 to 45 minutes
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    Oregon Museum of Science and Industry
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    Learners explore how recyclers take advantage of the different properties of materials, such as magnetism and density, to separate them from a mixture. They use a magnet and floatation to separate...

    1 cent - $1 per group Ages 4 - 14 Under 5 minutes