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"conservation of energy"
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Energy is often defined as "the ability to do work," and Energy makes the world go around, you might say. If you want to know more look at this site as it has interactive demonstrations and ...
Revision site aimed at UK GCSE level covering energy transfer and energy sources. Well presented with animated diagrams and some questions to try
How energy-savvy are you? Test your knowledge, play games & follow the Energy Ninjas on their quest to reduce the world's CO2 emissions
A US government site which considers the efficient use of energy today and the alternative renewable sources which will supply our needs in the future.
A collection of articles about the challenge of reducing our energy and carbon footprint. Two interactive let you explore where over the world uses the most electricity and what your energy ...
How fleas and catapults and other similar devices and animals use elastic energy storage devices to convert slow muscle energy into faster kinetic energy.
A brief definition of this principle.
Concepts of work, kinetic energy and potential energy are discussed in this simple introduction.
Photovoltaic (or PV) cells convert light energy into electricity. This site looks at the development of photovoltaics as a domestic and industrial source of energy, including some quite detailed ...
Nice, clear info on renewable energy resources including geothermal, solar, wind and biomass power from the National Renewable Energy Lab.
Showing 21 - 30 of 236