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    Oregon Museum of Science and Industry
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    This is written as a display, but can easily be adapted to a hands-on activity. Learners discover how all the parts of a diaper work together to keep babies dry and comfortable. They can find...

    $1 - $5 per group Ages 6 - 14 5 to 10 minutes
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    Oregon Museum of Science and Industry
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    Learners make their own simple slide rules out of paper and learn how they work. The activity starts by having learners make an "adding slide rule," which is not a very practical device...

    1 cent - $1 per group Ages 8 - adult 10 to 30 minutes
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    Oregon Museum of Science and Industry
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    In this activity (on page 2 of PDF), learners create a low-tech refrigerator that requires no electricity to keep food from spoiling. It uses only clay pots, one smaller than the other and...

    $1 - $5 per student Ages 8 - 18 1 to 2 hours
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    Oregon Museum of Science and Industry
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    In this activity, leaners explore building techniques by recreating the story of The Three Little Pigs. They build model houses out of plastic grass, popsicle sticks, and building blocks, and then...

    $1 - $5 per group Ages 4 - 14 45 to 60 minutes
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    Oregon Museum of Science and Industry
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    Learners press their fingertip onto a clean Plexiglas sheet. The fingerprints are then revealed as learners dust over the print with fingerprint powder. They can lift their prints with clear tape,...

    $1 - $5 per group Ages 6 - adult Under 5 minutes
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    Oregon Museum of Science and Industry
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    This is written as a display, but can easily be adapted to a hands-on activity. Learners observe and shake containers of shiny liquids. Inside the containers are mixtures of water and some small...

    $5 - $10 per group Ages 4 - 14 5 to 10 minutes
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    Oregon Museum of Science and Industry
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    In this activity (on page 2 of PDF), learners make their own totem poles out of recycled materials. Learners choose the animals and other symbols that represent them and their families, and then...

    $1 - $5 per student Ages 6 - 14 10 to 30 minutes
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    Oregon Museum of Science and Industry
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    In this activity (on page 2 of the PDF), learners (with adult help and supervision) investigate how heat affects polystyrene plastic. Learners cut the plastic to desired shapes and sizes and use...

    free Ages 6 - 14 10 to 30 minutes
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    Oregon Museum of Science and Industry
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    Learners use a commercially available toy to experiment with density. They fill a chamber in the toy submarine with baking powder and release it into a tank of water. The material making up the...

    $1 - $5 per group Ages 4 - 14 5 to 10 minutes

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