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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 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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    Learners investigate the properties of the liquids in two bottles. One contains layers of oil and water, and one contains oil, water, and soap. Learners shake the bottles and observe the difference...

    $1 - $5 per group Ages 4 - 14 10 to 30 minutes
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    Oregon Museum of Science and Industry
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    Make a classic polymer toy using Borax and white glue! It's stretchy and bouncy and acts sort of like a solid and sort of like a liquid (similar to Silly Putty). This recipe suggests ways to...

    $1 - $5 per group Ages 4 - adult 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 different paper samples under ordinary room light and under a black light to learn some of the chemical differences between different types of paper. They also learn that some...

    Over $20 per group Ages 6 - 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 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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    This activity (on page 2 of the PDF) features a recipe to create the stretchy polymer Flubber from Borax detergent, white glue, and water. This fun and easy activity provides opportunities to...

    $1 - $5 per student Ages 4 - 14 10 to 30 minutes
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    Oregon Museum of Science and Industry
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    In this activity, learners investigate the process of osmosis by adding salt to a sealed bag of raw carrots and comparing it to a control. After about 15-30 minutes, the carrots with salt become...

    $1 - $5 per group Ages 8 - 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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