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    Oregon Museum of Science and Industry
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    Visitors observe a graduated cylinder with a golf ball floating about halfway in liquid. The bottom half of the cylinder contains a concentrated solution of salt. This salt solution has a greater...

    $1 - $5 per group Ages 6 - 14 Under 5 minutes
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    The Science House
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    In this chemistry activity, learners use the lowered freezing point of water to chill another mixture (ice cream) to the solid state. Learners will record the temperature of the ice before and...

    $1 - $5 per student Ages 6 - 18 10 to 30 minutes
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    Oregon Museum of Science and Industry
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    Visitors observe a tray holding a crystal-covered brick. The crystals were created by evaporation of a solution containing liquid bluing, ammonia, and salt. The bluing contains particles of iron...

    $1 - $5 per group Ages 6 - 14 5 to 10 minutes
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    American Chemical Society
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    In this activity on page 12 of the PDF (Rethinking the 3 R’s: It’s Easy to be Green), learners examine how recyclable materials are separated by various properties at recycling centers. Learners...

    $5 - $10 per student Ages 8 - 14 45 to 60 minutes
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    Oregon Museum of Science and Industry
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    In this chemistry lab activity, learners model the colors of fireworks by burning metallic solutions in a flame and observing the different colors produced. The color is determined by the...

    $5 - $10 per group Ages 14 - adult Under 5 minutes
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    National Health Museum
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    This laboratory exercise is designed to show learners how DNA can easily be extracted from onion cells. It includes an optional test for the presence of DNA. Use this experiment to supplement any...

    $5 - $10 per group Ages 11 - 18 45 to 60 minutes
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    Discovery Museum
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    In this activity, learners of all ages can enjoy experimenting with ice. Try this experiment at the kitchen table or in the great outdoors to encourage budding scientists to experiment with ice....

    $1 - $5 per group Ages 4 - adult 30 to 45 minutes
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    The Exploratorium
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    In this geology activity, learners create a model using a mixture of salt and sand inside a CD case. When the case is tilted or inverted, the mixture dramatically sorts into a layered pattern. With...

    $5 - $10 per group Ages 11 - 18 1 to 2 hours
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    APSnet
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    In this biology activity, learners use plastic pipettes to cut wells into the solid gel layer of agar in petri dishes and place solutions of simulated antigen and antibody preparations into the...

    Over $20 per group Ages 14 - 18 45 to 60 minutes
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    KCET
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    This open-ended art project allows learners to create their own colorful ice sculpture by using rock salt and food coloring on a solid block of ice. The entire activity is like a mini-science...

    $1 - $5 per student Ages 4 - 8 10 to 30 minutes

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