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    WNET
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    In this fun hands-on activity, learners whip up a batch of cyber-dough (play dough) using math for measurements. The amount of salt is given, but the learner needs to figure out how much flour (4...

    $1 - $5 per student Ages 4 - 11 30 to 45 minutes
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    University of Washington
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    In this activity (1st activity on the page), learners explore their sense of taste and the structure of the tongue by taste-testing various foods. Learners dip toothpicks in various solutions of...

    $1 - $5 per group Ages 8 - 18 10 to 30 minutes
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    University of California Museum of Paleontology
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    Learners conduct an experiment to determine the rate at which two materials, sand and water, heat up and cool down. Then, based on their observations, they make hypotheses about why materials heat...

    $5 - $10 per group Ages 11 - 14 45 to 60 minutes
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    American Chemical Society
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    Learners add drops of four liquids (water, alcohol, salt water, and detergent solution) to different surfaces and observe the liquids' behavior. Learners will see that liquids have...

    1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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    American Chemical Society
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    Learners identify an unknown liquid by comparing its behavior to known liquids. Learners drop liquids onto different surfaces and see how the liquids behave. Learners realize that using a...

    1 cent - $1 per group Ages 8 - 14 30 to 45 minutes