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描述: Water-propulsion rocket and launch pad described, analyzed and explained and then tested.
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Kittering University: fuel cell basics, links, and pictures.
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Article on the numbering system by Michael Fowler.
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A lesson outline on the topic of fluids. Looks at topics such as viscosity, buoyancy, density, volume and how hydraulics and pneumatics plays an important role.
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Playgrounds are a place to observe physical forces, such as gravity, momentum, and friction. This set of exercises invites students outdoors to take a closer look.
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3.0 / 5.0, 语: English
HowStuffWorks explains thousands of topics, from engines to lock-picking to ESP, with video and illustrations so you can learn how everything works.
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The College of Arts and Sciences houses the Department of Communication; the College of Journalism and Mass Communication offers more possibilities.
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Offers free teacher professional development, resources, and activities.
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The Exploratorium isn't just a museum, it's an ongoing exploration of science, art, and human perception--a vast collection of online interactives, web features ...
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4.4 / 5.0, 语: English