Matching Pairs Renewable and Nonrenewable L2Online version Renewable and Nonrenewable Lesson 2 vocabulary by Carly Martin 1 Alternative Energy Source 2 Solar Power 3 Geothermal 4 Hydroelectricity 5 Renewable 6 Biomass 7 Biomass Conversion a source of energy other than the burning of fossil fuels the process of changing biomass into fuel plant and animal waste that can be processed to make fuel converting energy from the Sun into electrical power using the heat of the earth’s interior a useful material that is replaced quickly in nature relating to production of electricity by water power