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    The Exploratorium
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    This is an activity that demonstrates how batteries work using simple household materials. Learners use a pickle, aluminum foil and a pencil to create an electrical circuit that powers a buzzer....

    $5 - $10 per group Ages 11 - 18 30 to 45 minutes
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    Twin Cities Public Television
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    This activity (on page 2 of the PDF) is a full inquiry investigation into sound frequency. Groups of learners will use an electronic keyboard (if one is available) to identify which note on the...

    $5 - $10 per group Ages 8 - 14 1 to 2 hours
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    COSI
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    In this chemistry activity, learners will test the pH of various foods and household substances using cabbage. They will explore the concept of acidic and basic chemicals, learn that pH is a common...

    $5 - $10 per group Ages 8 - 11 10 to 30 minutes
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    Berkeley Natural History Museums
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    Learners measure irregularly shaped bones using a variety of measurement methods and tools. Then, they measure again using standard conventions and metric tape measures. Learners understand the...

    $5 - $10 per group Ages 11 - 18 45 to 60 minutes
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    COSI
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    In this physics activity, learners build their own rockets out of film canisters and construction paper. Learners discover how a chemical reaction (from a mix of water and Alka-Seltzer) creates gas...

    $5 - $10 per student Ages 6 - 18 10 to 30 minutes
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    Oregon Museum of Science and Industry
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    Learners observe a sealed test tube containing a small amount of solid stearic acid. Under adult supervision, learners place the test tube into a beaker of hot water and observe the white stearic...

    $5 - $10 per group Ages 11 - 18 5 to 10 minutes
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    IEEE
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    In this activity, learners explore how product design differences can affect the success of a final product -- in this case a bag for holding candy. Learners work in pairs to evaluate, design, and...

    $5 - $10 per group Ages 8 - 18 1 to 2 hours
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    WGBH
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    In this water activity, learners discover ways to move water across the water table. Learners use various tools including squirt bottles, sponges, and turkey basters to move water from one...

    $5 - $10 per group Ages 4 - 6 10 to 30 minutes
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    COSI
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    In this Energy and Environment activity (page 9 of the PDF), learners calculate the mass of a piece of gum, compare it to the mass of the gum's packaging, and then create a bar graph of the...

    $5 - $10 per group Ages 8 - 14 30 to 45 minutes
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    Astronomical Society of the Pacific
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    This fun and simple hands-on astronomy activity lets learners make 3-dimensional models of the Earth and Moon. Using the Sun's light, learners will discover that the Moon rotates in the same...

    $5 - $10 per group Ages 6 - adult 10 to 30 minutes

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