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    Oregon Museum of Science and Industry
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    In this experiment, learners will conduct chemical and physical tests to identify mystery substances. This experiment is very flexible, allowing educators to determine the number of unknowns to...

    $5 - $10 per group Ages 8 - 14 45 to 60 minutes
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    Oregon Museum of Science and Industry
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    In this activity, learners mix ingredients in a plastic bag, and then identify three characteristics of a chemical reaction: production of heat, color change, and production of a gas. Turmeric, a...

    $5 - $10 per group Ages 11 - 18 10 to 30 minutes
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    Oregon Museum of Science and Industry
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    In two separate bags, learners mix water with Epsom salts and detergent. They discover that one mixture becomes cold (dissolving is an endothermic process), and one becomes hot (dissolving is an...

    $1 - $5 per group Ages 6 - 14 10 to 30 minutes
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    Oregon Museum of Science and Industry
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    Using household materials, learners can make white gooey globs from clear solutions. Alum, dissolved in water, reacts with the hydroxide in ammonia to create aluminum hydroxide. This creates a soft...

    1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
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    Oregon Museum of Science and Industry
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    In this activity, learners create a mixture of water, alcohol and permanent marker ink, and then add salt to form a colored alcohol layer on top of a colorless water layer. The reason this happens...

    $1 - $5 per group Ages 11 - 14 45 to 60 minutes
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    Oregon Museum of Science and Industry
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    Learners investigate one factor affecting reaction rates: temperature. In a darkened room, two identical lightsticks are placed in water -- one in hot water and one in cold water. The lightstick in...

    $1 - $5 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 activity (on page 2 of the PDF), learners make a plastic protein polymer from milk. Adding vinegar to milk causes the protein casein to solidify or curdle. After allowing the casein to dry,...

    $1 - $5 per student Ages 6 - 14 1 to 7 days
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    Oregon Museum of Science and Industry
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    In this activity, learners discover that there is space between molecules even in a cup "full" of water. They first fill a cup with marbles, and then add sand to fill the gaps between the...

    $1 - $5 per group Ages 6 - 14 10 to 30 minutes
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    Oregon Museum of Science and Industry
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    Using yeast, sugar, and water, learners create a chemical reaction which produces carbon dioxide (CO2) gas inside a 2-liter bottle. They use this gas to inflate a balloon. This reaction shows the...

    $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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    Learners smell balloons filled with different scents to guess what's inside. From this, they infer the presence and motion of scented molecules. This is a good introduction to atoms and...

    $5 - $10 per group Ages 4 - 14 10 to 30 minutes

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