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    American Chemical Society
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    In this activity on page 15 of the PDF, discover how materials and physical forces behave differently at the nanoscale. Learners experiment with water to see how the effects of surface tension...

    $1 - $5 per student Ages 6 - 14 10 to 30 minutes
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    NISE Network
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    In this activity, learners imagine what the world might look like if we could build an elevator to space! After viewing some artist illustrations of possible space elevators, learners imagine what...

    1 cent - $1 per student Ages 4 - adult 10 to 30 minutes