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Elastic Collision

An elastic collision is defined as one in which both conservation of momentum and conservation of kinetic energy are observed.

http://hyperphysics.phy-astr.gsu.edu/hbase/elacol.html#c4

Hermann Ludwig Ferdinand von Helmholtz

Hermann Ludwig Ferdinand von Helmholtz (1811 - 1894) showed that the assumption that work could not continually be produced from nothing led to the conservation of kinetic energy.

http://www-history.mcs.st-and.ac.uk/history//Mathematicians/Helmholtz.html

Laws of Energy

A great site for children aged 11-16 covering where we get energy from, different forms of energy and laws of energy.

http://www.eia.gov/energyexplained/index.cfm?page=about_laws_of_energy

Energy Hotlist

Links to a wide range of sites all about energy from Fossil Fuels to Renewable Energy Sources.

http://www.fi.edu/tfi/hotlists/energy.html

Energy 4 me

Test your energy IQ, read the news and find out about different energy sources. Lots of information about petroleum.

http://www.energy4me.org/

Energy

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 ...

http://ippex.pppl.gov/interactive/energy/

Energy Story

All about energy: what it is, how it is generated, how it is stored, and everything else. With lots of information on renewable energy and a good selection of extra links.