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    Oregon Museum of Science and Industry
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    In this activity (on pages 11-14 of PDF), learners cut out pictures from magazines of foods that help make bones strong and glue the pictures to a paper bone. The lesson plan includes information...

    1 cent - $1 per student Ages 4 - 11 30 to 45 minutes
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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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    Institute of Physics
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    In this demonstration about momentum, use physics to distinguish between a hard-boiled egg and a raw egg without cracking them open. Learners will discover that hard-boiled eggs are much easier to...

    1 cent - $1 per group Ages 4 - adult Under 5 minutes
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    Institute of Physics
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    In this physics demonstration, learners are challenged to break a raw egg just by squeezing it. Learners will be shocked by their inability to complete the deceivingly simple challenge. Use this...

    1 cent - $1 per group Ages 4 - adult Under 5 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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    University of Washington
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    In this simple exploratory activity (1st activity on the page), blindfolded learners try to identify mystery items by smell. Learners also rate the odor (strong, pleasant, neutral) as well as...

    1 cent - $1 per group Ages 4 - 14 5 to 10 minutes
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    Lawrence Hall of Science
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    No glue is needed for learners of any age to become marshmallow architects or engineers. Using marshmallows and water (and maybe edible decorations like peanut butter, pretzels, gumdrops, etc.),...

    1 cent - $1 per student Ages 4 - 14 30 to 45 minutes
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    University of Washington
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    This activity demonstrates the importance of wearing a helmet to protect the brain. An egg is used to symbolize a head with the shell as the skull and the inside of the egg as the brain. One egg is...

    1 cent - $1 per group Ages 4 - 14 10 to 30 minutes
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    Science Museum of Minnesota
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    This is a hands-on activity that uses bread and household materials to grow mold. Learners collect dust from a room, wipe it on food, and contain it. One to seven days later, mold has grown....

    1 cent - $1 per student Ages 4 - 18 1 to 7 days
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    WGBH
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    Learners explore soybeans, soak them in water to remove their coat, and then split them open to look inside. They also make a musical shaker out of paper cups, a cardboard tube, and soybeans. This...

    1 cent - $1 per student Ages 4 - 11 45 to 60 minutes

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