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    In this astronomy activity, learners create a model of the solar system using beads and string. The activity gives learners a clear idea of the immense scale of the solar system and the relative...

    $1 - $5 per student Ages 8 - 14 10 to 30 minutes
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    In this weather activity (page 4 of the PDF), learners will explore the water cycle through an interactive game. They will move among various stations representing areas within the water cycle, and...

    $10 - $20 per group Ages 6 - 14 45 to 60 minutes
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    In this astronomy activity (page 6 of the PDF), learners will compare and contrast two planets in the solar system using data obtained from the internet. They will convert distances from light...

    free Ages 11 - 18 45 to 60 minutes
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    In this activity (page 13 of the PDF), learners discover how weathering and erosion change the Earth’s surface. By comparing sedimentary rocks subjected to various amounts of weathering, they will...

    $10 - $20 per group Ages 11 - 14 4 to 24 hours
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    In this weather activity which requires adult supervision, learners will get a chance to make a cloud right here on Earth! They learn about the different ingredients a cloud needs in order to form,...

    1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
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    In this weather activity (page 10 of the PDF), learners will demonstrate the changes in atmospheric pressure by constructing their own barometer. Learners will explore the concept of barometric...

    $1 - $5 per student Ages 11 - 18 1 to 7 days
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    In this astronomy activity (page 3 of the PDF), learners will examine the effects of gravity on a person’s pulse and explore how gravity can differ from planet to planet. Although this activity was...

    free Ages 11 - 18 10 to 30 minutes
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    In this geology activity (page 6 of the PDF), learners explore how carbonic acid can slowly dissolve limestone and form caves. They see firsthand that the carbonation in soda has the same effect in...

    $1 - $5 per group Ages 11 - 14 10 to 30 minutes
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    In this environmental science activity (page 4 of the PDF), learners use vinegar and chalk to observe the effect of acid rain on various building materials and plant life. Learners will explore how...

    $1 - $5 per group Ages 6 - 14 4 to 24 hours
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    In this activity (page 11 of the PDF), learners investigate how quickly water moves through various materials. They measure and compare the permeability of gravel, sand, and soil. Although this was...

    $10 - $20 per group Ages 11 - 14 45 to 60 minutes

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