ANSWERS: 2
  • Well, that is what I was taught at school. Whether it is 'fact' is debatable, but yes, I believe so. Often, certain kinds of energy are converted to heat and sound energy as a byproduct energy, or 'waste' energy when we don't even realise.
  • Yes. The total amount of energy in a system remains constant, even though it can change forms. More information about the law of conservation of energy here. http://en.wikipedia.org/wiki/Conservation_of_energy

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