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    American Chemical Society
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    This three-part activity consists of an activity that groups of learners develop themselves, a given procedure, and an optional demonstration. First, learners discuss examples of evaporation and...

    $1 - $5 per group Ages 6 - 14 30 to 45 minutes
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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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    American Chemical Society
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    Learners observe and conduct experiments demonstrating the different properties of hot and cold materials. In a demonstration, learners observe that food coloring mixes faster in hot water than in...

    $1 - $5 per group Ages 6 - 14 30 to 45 minutes
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners build particulate matter collectors--devices that collect samples of visible particulates present in polluted air. They place the collectors in various test sites and observe them over a...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    COSI
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    In this physics activity (page 12 of the PDF), learners explore potential and kinetic energy by rolling different sized marbles down an inclined plane. Learners compare the amount of work done by...

    $1 - $5 per group Ages 4 - 14 10 to 30 minutes
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    American Chemical Society
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    Learners will see that changing the shape of an object, like a clay ball, that is more dense than water, can affect whether the object will sink or float. The density of the clay used in this...

    $1 - $5 per student Ages 8 - 14 30 to 45 minutes
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    American Chemical Society
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    Learners see that a can of regular cola sinks while a can of diet cola floats. As a demonstration, bubble wrap is taped to the can of regular cola to make it float. Learners will use this idea to...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    American Chemical Society
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    Learners investigate how the temperature of water affects its density. Learners place colored hot and cold water in a cup of room-temperature water to see that cold water sinks while hot water...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    The Exploratorium
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    This resource contains several mini-explorations using a slide projector as a light source to investigate light and the properties of images. These activities can be used as a class demonstration...

    $1 - $5 per group Ages 8 - 14 30 to 45 minutes
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    American Association for the Advancement of Science
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    Learners model the ocean currents that carry hot water from the tropics to northern latitudes. By placing small containers of hot and cold water inside a larger container of cold water, learners...

    $1 - $5 per group Ages 8 - 11 10 to 30 minutes

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    • Oregon Museum of Science and Industry (remove)
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