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    NASA
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    In this activity, learners build water-propelled engines from soft drink cans. Water flowing out of holes in the can cause the can to rotate in the direction opposite to the stream, explained by...

    $1 - $5 per group Ages 4 - 14 30 to 45 minutes
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    IEEE
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    In this activity, learners explore sports engineering and advanced materials development. Learners work in a team to devise a racquet out of everyday materials that could be used to volley a ping...

    $10 - $20 per group Ages 8 - 18 1 to 2 hours
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    Oregon Museum of Science and Industry
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    Learners explore how recyclers take advantage of the different properties of materials, such as magnetism and density, to separate them from a mixture. They use a magnet and floatation to separate...

    1 cent - $1 per group Ages 4 - 14 Under 5 minutes
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    Children's Museum of Indianapolis
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    In this activity, learners participate in a simulated dig to discover fossilized dinosaur bones. Learners take notes, make a map and propose theories about dinosaurs. This can be used as a...

    Over $20 per group Ages 8 - 11 1 to 2 hours
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    Oregon Museum of Science and Industry
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    Learners place their hands on different metals and use an ammeter to monitor the flow of electricity from one metal to another. They become part of a complete circuit, allowing electrons to flow...

    $10 - $20 per group Ages 8 - 18 5 to 10 minutes
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    NASA
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    In this activity (page 18 of PDF), learners will measure the volume of impact craters created by projectiles of different masses. They will also draw connections between the mass of the projectile...

    $10 - $20 per student Ages 8 - 14 45 to 60 minutes
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    The Exploratorium
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    In this activity about chemistry and electricity, learners form a battery by placing their hands onto plates of different metals. Learners detect the current by reading a DC microammeter attached...

    $5 - $10 per group Ages 6 - 14 10 to 30 minutes
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners play the role of materials engineers as they test the flexibility of different materials. They determine the strength-to-weight ratio of bars of these materials (e.g., steel, aluminum,...

    $5 - $10 per group Ages 11 - 14 45 to 60 minutes
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    Lawrence Hall of Science
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    In this activity, learners construct models of plants that are adapted to living under specific environmental conditions. As they make their models, learners consider what adaptations help plants...

    $10 - $20 per group Ages 6 - 14 45 to 60 minutes
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    The Exploratorium
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    It's difficult to see convection currents in any liquid that's undergoing a temperature change, but in this Exploratorium Science Snack, you can see the currents with the help of food...

    1 cent - $1 per student Ages 8 - 18 10 to 30 minutes

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