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    American Chemical Society
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    Learners design their own experiment to investigate whether the temperature of the surrounding water affects the rate at which the colored coating dissolves from an M&M. When they conduct their...

    $1 - $5 per group Ages 4 - 14 30 to 45 minutes
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    Berkeley Natural History Museums
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    Learners measure irregularly shaped bones using a variety of measurement methods and tools. Then, they measure again using standard conventions and metric tape measures. Learners understand the...

    $5 - $10 per group Ages 11 - 18 45 to 60 minutes
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    American Chemical Society
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    In this activity, learners explore the process of condensation. After seeing water vapor condense, learners will help design a test to see if cooling water vapor has an effect on the rate of...

    1 cent - $1 per group Ages 6 - 14 30 to 45 minutes
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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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    Sciencenter
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    In this chemistry challenge, learners identify an unknown white powder by comparing it with common household powders. Learners first explore what happens when baking soda, baking powder, and...

    Over $20 per group Ages 4 - 14 10 to 30 minutes
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    American Society for Microbiology
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    Learners observe a demonstration of the metabolism of yeast--after being placed in a sealed bag with water and sugar, the yeast consumes the sugar and produces carbon dioxide gas to inflate the bag...

    $10 - $20 per group Ages 11 - 18 45 to 60 minutes
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    American Association for the Advancement of Science
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    Pairs of learners play the roles of programmer and robot. The programmer gives specific directions to the robot to accomplish a simple task (e.g. walk across the room and pick up a pencil). The...

    free Ages 8 - 11 10 to 30 minutes
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    American Society for Microbiology
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    Learners simulate the process of natural selection using a variety of beans and a bowl with a hole cut into it. The variety of beans represents the variation in a population of microbes, and the...

    $1 - $5 per group Ages 11 - 18 45 to 60 minutes
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    University of California Museum of Paleontology
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    In this lab activity, learners act as fellow scientists and colleagues of Isaac Newton. He has asked them to independently test his ideas on the nature of motion, in particular his 2nd Law. The...

    $10 - $20 per group Ages 14 - 18 45 to 60 minutes