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    American Association for the Advancement of Science
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    Learners classify a variety of objects by their characteristics. They then design an experiment to determine which objects float or sink in water and add this characteristic to their classification...

    $5 - $10 per group Ages 8 - 11 45 to 60 minutes
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    American Association for the Advancement of Science
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    In this inquiry-based learning activity, learners design, build, and test their own ramps. They are introduced to a variety of materials and explore putting them together. They also create plans...

    $5 - $10 per group Ages 4 - 8 45 to 60 minutes
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    American Association for the Advancement of Science
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    In this activity about ramps, learners explore and measure the rate at which spherical objects roll down a ramp. Learners discuss why different ramps work better than others and practice procedures...

    $1 - $5 per group Ages 4 - 8 45 to 60 minutes
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    American Association for the Advancement of Science
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    In this lesson that includes hands-on activities and demonstrations, learners discover that it is the tilt of the Earth's axis (not its proximity to the sun) that causes the seasons. Learners...

    free Ages 11 - 14 45 to 60 minutes
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    American Association for the Advancement of Science
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    In this online game, learners must purchase power plants for their city. They must balance the need for adequate power against the environmental impact of different power plants and stay within...

    free Ages 8 - 11 10 to 30 minutes
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    American Association for the Advancement of Science
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    Learners model the ocean currents that carry hot water from the tropics to northern latitudes. By placing small containers of hot and cold water inside a larger container of cold water, learners...

    $1 - $5 per group Ages 8 - 11 10 to 30 minutes
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    American Association for the Advancement of Science
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    Whether it's the genetic code, an ancient language, or patterns of light in a distant galaxy, scientists often have to play the role of decoder. In this activity, learners create a code to...

    1 cent - $1 per group Ages 8 - 11 10 to 30 minutes
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    American Association for the Advancement of Science
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    Learners draw pictures of how they envision scientists. By comparing and discussing the features in their pictures, they can discover common thoughts and stereotypes about scientists. The activity...

    free Ages 8 - 11 10 to 30 minutes
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    American Association for the Advancement of Science
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    This activity models the necessary balance of creating power and cleaning up its associated waste. Learners participate in a game where they attempt to move forward toward a goal. For the power...

    $1 - $5 per group Ages 8 - 11 10 to 30 minutes
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    American Association for the Advancement of Science
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    In this online game, learners run an outer space drink stand and thirsty alien customers are on the way. Learners can see the likes and dislikes of the approaching customers and mix their drink...

    free Ages 8 - 11 10 to 30 minutes

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