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    The Exploratorium
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    Learn about chemical reactions by making a Bubble Bomb, a plastic bag you can pop with the power of fizz. The bubbles in the Bubble Bomb are filled with carbon dioxide, a gas that forms when...

    1 cent - $1 per student Ages 4 - 11 10 to 30 minutes
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    COSI
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    In this physics activity, learners will investigate the strength of egg shells. They will attempt to stack books on top of inverted half egg shells to see how many they can hold, and the results...

    1 cent - $1 per group Ages 6 - 11 10 to 30 minutes
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    American Chemical Society
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    In this activity, learners investigate the properties of plastic bags. Learners find out what happens when they slowly push a pencil through a plastic bag filled with water. Use this fun activity...

    1 cent - $1 per group Ages 4 - 11 10 to 30 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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    Lawrence Hall of Science
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    In this activity, learners get a closer look at the shape of a drop of water and a drop of oil. Learners first drip water onto wax paper and examine the shape of separate drops from a side view....

    1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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    Oregon Museum of Science and Industry
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    In this hands-on activity (on page 2 of the PDF), learners experiment with lemon juice and paper to create a message that can only be revealed using chemistry. Using an oven as a heat source ...

    1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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    Lawrence Hall of Science
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    En esta actividad, los aprendices experimentarán con las tres fases del agua. Intentarán controlar la rapidez de los cambios de estado al manipular la temperatura y la presión del agua, hielo, y gas.

    1 cent - $1 per group Ages 4 - 8 10 to 30 minutes
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    The Exploratorium
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    This activity about density provides instructions for making a miniature "lava lite" with just salt, oil, water, and food coloring. This crowd-pleasing experiment is a hands-on and...

    1 cent - $1 per student Ages 4 - 8 10 to 30 minutes
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    Kohl Children's Museum
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    In this activity, learners explore and experiment how we can use our bodies everyday to get from one place to another. Learners measure the distance that they travel in one step by stepping...

    1 cent - $1 per group Ages 4 - 8 10 to 30 minutes
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    COSI
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    Is this activity concentrating on physical science, learners build their very own miniature hovercraft out of a paper cup. Using it, they can explore the concepts of friction and force. There is...

    1 cent - $1 per student Ages 6 - 18 10 to 30 minutes

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