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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 the left side of page 5, continued on the right side of page 4 of the PDF), learners make models of colorful butterflies. The butterflies are made from pipe cleaners and either...

    1 cent - $1 per student Ages 4 - 6 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 use art supplies to build models of insects, both real or imagined. They learn that Insects have three body parts and six legs, along with wings,...

    1 cent - $1 per student Ages 4 - 6 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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    Oregon Museum of Science and Industry
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    In this activity (on page 2 of the PDF), learners explore surface tension by adding pennies to cups which are "full" of plain water or soapy water. The surface tension of the plain water...

    1 cent - $1 per student Ages 6 - 14 5 to 10 minutes
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    Oregon Museum of Science and Industry
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    In this chemistry activity (on page 2 of the PDF), learners corrode a penny in a cup with vinegar, salt water, and a source of iron (nails, paper clips, or twist ties). The combination of salt and...

    1 cent - $1 per student Ages 6 - 14 1 to 7 days
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    Oregon Museum of Science and Industry
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    This activity (on page 3 of the PDF) has learners create models of butterfly wings. They are given pre-cut butterfly-shaped construction paper, tempera paint and eyedroppers, and they create...

    1 cent - $1 per student Ages 4 - 6 10 to 30 minutes
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    Oregon Museum of Science and Industry
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    This activity (on pages 21-32 of PDF) has learners act out several classic brain teasers. Instead of moving checkers or pennies around on a table, learners play the role of the different pieces of...

    1 cent - $1 per student Ages 8 - 14 10 to 30 minutes
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    Oregon Museum of Science and Industry
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    Learners observe a bottle containing water and oil. They are invited to pick up the bottle and mix the contents together. Because of their poor miscibility, oil and water can form “ocean waves” in...

    1 cent - $1 per group Ages 6 - 14 5 to 10 minutes