Identification may include
- fossil fuels (coal, oil, natural gas)
- solar (thermal, photovoltaic, and concentrating)
- nuclear (fission, fusion)
- hydroelectric (impoundment vs. run-of-river)
- wind (onshore, offshore)
- ocean energy (wave, tidal/current, ocean thermal energy conversion [OTEC])
- geothermal
- biomass
- waste-to-energy.
Process/Skill Questions:
- What is an advantage and a disadvantage of using each energy source?
- Why are there so many different sources of energy? Why is it beneficial to have such a variety?
- Which sources are considered to be renewable? Which are inexhaustible?