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    Science Museum of Minnesota
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    In this activity, learners make a paper cone and use it in a window to measure the length of the shadow over the course of a day. Learners then repeat the same experiment a month later. In another...

    1 cent - $1 per student Ages 6 - 11 1 to 4 weeks
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    NOAA
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    In this activity, learners use chocolate to explore how the Sun transfers heat to the Earth through radiation. Learners compare the melting rate between chocolate left in the sunshine and chocolate...

    1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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    BioEd
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    This activity generates learner excitement about light through the creation of a room-sized rainbow. Learners also make their own "rainbow" drawings that incorporate the sequence of...

    1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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    The Exploratorium
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    In this weather-related activity, learners make a portable cloud in a bottle. Learners discover that clouds form when invisible water vapor in the air is cooled enough to form tiny droplets of...

    1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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    Science Museum of Minnesota
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    Build a fruit fly trap out of a 2-liter plastic bottle and some rotten fruit! Fruit flies are easy to catch in warm weather. Once you catch some, you will be able to see their life cycle up-close....

    1 cent - $1 per student Ages 4 - 11 1 to 4 weeks
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    Museum of Science, Boston
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    In this simple activity, learners explore ocean waves. To find out if water moves forward toward the shore, learners create waves in a simulated ocean (small aquarium tank of water). Learners...

    1 cent - $1 per group Ages 8 - 14 Under 5 minutes
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    NOAA
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    In this activity, learners discover that as the salinity of water increases, the density increases as well. Learners prove this by attempting to float fresh eggs in saltwater and freshwater. This...

    1 cent - $1 per group Ages 6 - 14 5 to 10 minutes
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    Oregon Museum of Science and Industry
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    Learners compare the properties and solubilities of Styrofoam (TM), ecofoam packing peanuts, and popcorn. First, the solubility of each substance is tested in water. A drop of iodine is added to...

    1 cent - $1 per group Ages 11 - adult Under 5 minutes
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    Oregon Museum of Science and Industry
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    Learners use a candle to investigate the products of combustion. When a glass rod is held over a lit candle, the candle flame deposits carbon on the rod. Then the candle and a drop of pH indicator...

    1 cent - $1 per group Ages 11 - adult 5 to 10 minutes
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    NOAA
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    In this activity, learners observe the hydrologic cycle in action as water evaporates and condenses to form rain right before their eyes. Learners perform a simple experiment to precipitate "...

    1 cent - $1 per group Ages 4 - 14 10 to 30 minutes

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