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    APSnet
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    In this four-part laboratory exercise, learners investigate properties of Tobacco mosaic virus (TMV) including (1) symptoms induced by the virus in susceptible plants at the macroscopic and...

    Over $20 per group Ages 14 - 18 1 to 7 days
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    COSI
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    In this chemistry activity, learners will learn how to make their own pH indicator using cabbage leaves, and then test common household items with their homemade indicator. This is an excellent...

    $5 - $10 per group Ages 14 - 18 10 to 30 minutes
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    COSI
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    In this genetics activity, learners extract DNA from an onion, using detergent solution, a food processor, and rubbing alcohol. They will also discuss genetic engineering of plants.

    $10 - $20 per group Ages 11 - 18 30 to 45 minutes
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    COSI
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    In this chemistry activity (page 8 of the PDF), learners will identify the instances of physical change, chemical change, and solutions while making homemade soda pop. They will watch as yeast in...

    $10 - $20 per group Ages 8 - 14 1 to 7 days
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    BioEd
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    In this activity, learners observe what happens when yeast cells are provided with a source of food (sugar). Red cabbage "juice" will serve as an indicator for the presence of carbon...

    $1 - $5 per group Ages 8 - 14 1 to 2 hours
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    COSI
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    In this fun and delicious chemistry activity (page 1 of the PDF), learners will explore the difference between physical and chemical change by making homemade ice cream. They will also learn about...

    $10 - $20 per group Ages 8 - 11 30 to 45 minutes
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    The Science House
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    In this chemistry activity, learners use spaghetti to explore density and chemical reactions. Learners will discover how a solution of baking soda and vinegar can make spaghetti float and even ...

    $1 - $5 per group Ages 6 - 18 5 to 10 minutes
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    Oregon Museum of Science and Industry
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    Learners combine hydrogen peroxide with three different forms of potato: raw chunks, ground chunks, and boiled chunks. They observe the difference in bubbling of the three forms, and inferring the...

    $1 - $5 per group Ages 11 - adult 5 to 10 minutes
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    University of Wisconsin-Madison
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    Learners make kimchee or sauerkraut, which is really just fermented cabbage, in a 2-liter plastic bottle. The fermentation process takes from 3 days to 2 weeks to complete, and learners measure the...

    $1 - $5 per group Ages 4 - 14 1 to 4 weeks
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    BioEd
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    In this activity about combustion and energy, learners observe a burning candle in a sealed jar and the burning of white sugar. The first part of the activity (candle burning) should be conducted...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes

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