© 2011 Pearson Education, Inc. Alternative Forms of Energy Use Consider advantages and disadvantages of alternative forms of energy Evaluate if alternative.
Energy exists freely in nature. Some of them exist infinitely (never run out, called RENEWABLE), the rest which have finite amounts (they took millions.
Energy and Energy Resources
Who: Heron of Alexandria When: 1st century (AD) Why: a machine which harnesses wind energy for a purpose like grinding grain, pumping water, or generating.
Non-conventional sources of energy from sea
