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    Astronomical Society of the Pacific
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    This fun and simple hands-on astronomy activity lets learners make 3-dimensional models of the Earth and Moon. Using the Sun's light, learners will discover that the Moon rotates in the same...

    $5 - $10 per group Ages 6 - adult 10 to 30 minutes
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    The Exploratorium
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    In this geology activity learners build a "squeeze box," which allows them to compress layers of sediment. This is a great way to investigate folding and faulting in the Earth. The...

    $10 - $20 per group Ages 8 - 18 5 to 10 minutes
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    NOAA
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    In this activity, learners make a model of a pollution spill that occurred at Bangs Lake in Mississippi and measure water quality parameters in their model. Learners then study the actual spill,...

    Over $20 per group Ages 14 - 18 2 to 4 hours
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    GreenLearning Canada
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    Learners follow directions to construct a water-powered electrical generator using a turbine made from plastic spoons. The model generates a surprising amount of electricity, enough to light a...

    $10 - $20 per student Ages 11 - 18 1 to 2 hours
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    The Exploratorium
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    In this activity, learners simulate the process of DNA fingerprinting by using electricity to separate colored dyes. Learners use simple materials to assemble a comb (electrophoresis chamber) to...

    Over $20 per group Ages 11 - 18 1 to 2 hours
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    My Science Box
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    In this activity, learners take on the role of various parts of the cell in order to model the process of protein synthesis. Each learner receives a card describing, step by step, what s/he should...

    $1 - $5 per group Ages 11 - 18 45 to 60 minutes
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    Science Museum of Minnesota
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    Using pipe cleaners, straws, and beads, learners explore the building blocks of life by creating their own model of DNA. This activity provides a great introduction to learning about the structure...

    $1 - $5 per student Ages 8 - 18 10 to 30 minutes
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    Community Science Workshop Network
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    In this activity related to Newton's Laws of Motion, learners build a boat powered by a propeller in the air. The airboats can be designed in many ways and can include various recyclables like...

    $5 - $10 per student Ages 8 - 18 45 to 60 minutes
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    Wellcome Trust Sanger Institute
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    In this activity, learners create an origami model of DNA, demonstrating its double helix structure. Two templates are available as PDFs: a standard template with the base pairs already colored or...

    1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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    The University of Texas McDonald Observatory
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    In this activity, learners observe colors in the flame of a burning candle to explore connections between matter, light, color and temperature -- basic concepts of matter and energy. Then, learners...

    $1 - $5 per group Ages 14 - 18 45 to 60 minutes

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