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    American Chemical Society
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    This lesson focuses on molecular motion in gases. Learners compare the mass of a basketball when it is deflated and after it has been inflated. The inflated ball has the greater mass so learners...

    $5 - $10 per group Ages 11 - 14 45 to 60 minutes
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    American Chemical Society
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    In this activity, learners will develop a method to test five similar-looking powders (baking soda, baking powder, cream of tartar, detergent, and cornstarch) with four test liquids (water, vinegar...

    $1 - $5 per group Ages 6 - 14 45 to 60 minutes
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    American Chemical Society
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    In this activity, learners examine baking powder, a combination of three powders: baking soda, cream of tartar, and cornstarch. Learners use their data from the previous activity (see related...

    1 cent - $1 per group Ages 6 - 14 30 to 45 minutes
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    American Chemical Society
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    In this introductory activity and demonstration, learners are introduced to the concept that different substances react chemically in characteristic ways. First learners compare the way baking soda...

    $1 - $5 per group Ages 6 - 14 10 to 30 minutes
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    American Chemical Society
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    In this activity, learners recrystallize substances from solutions and make observations about the resulting crystals. This test can help further identify the unknown. Two different methods for...

    $1 - $5 per group Ages 8 - 14 4 to 24 hours
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    American Chemical Society
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    In the related activity called "Colors Collide or Combine," learners are intrigued by the apparent "line" that forms where colors from M&M coatings meet but do not mix. In...

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

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