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    Computer Science Unplugged
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    This activity introduces the idea that computer scientists measure information by how "surprising" a message is. Learners play the game "20 Questions" and use the number of...

    free Ages 8 - 14 30 to 45 minutes
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    Computer Science Unplugged
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    This magic trick is based on how computers detect and correct data errors. In the trick, a volunteer lays out a 5 x 5 square of identical cards colored on one side, with a random mix of sides...

    1 cent - $1 per group Ages 8 - adult 30 to 45 minutes
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    PhET
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    In this online interactive simulation, learners will add different salts to water and then watch the salts dissolve and achieve a dynamic equilibrium with solid precipitate. Learners will also...

    free Ages 8 - adult 10 to 30 minutes
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    PhET
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    In this online interactive simulation, learners will test the pH of liquids like coffee, spit, and soap to determine whether each is acidic, basic, or neutral. Learners will visualize the relative...

    free Ages 11 - adult 10 to 30 minutes

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    • Oregon Museum of Science and Industry (remove)
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