Name ______________________________________ Date _______________________________________ Vocabulary Word natural resources nonrenewable resources renewable resources reproduce conserve or conservation pollution alternative energy solar energy wind energy hydroelectric energy geothermal energy biofuel biomass Own Definition Picture environment fossil fuels natural resources surroundings that are around one (air, trees, plants, animals, land, etc.) fuels formed from the remains of dead plants and animals that were buried in sedimentary rock layers over millions of years (coal, oil, natural gas) materials that are found in nature that can be used by people in many different ways nonrenewable resources coal oil natural gas metals/minerals rocks/soil renewable resources sun, wind water, air trees, plants, animals biomass reproduce are resources found in the ground. Cannot be replaced in a person’s life span. They can take millions of years to form. are resources that do not run out or nature can produce again within a person’s lifespan to make more organisms of the same kind conserve not to use up, spoil, or waste things alternative energy another choice of energy that would not cause pollution and the supply would never end solar wind hydroelectric geothermal biofuel solar energy (solar=sun) energy created from the sun’s rays wind energy energy created from the force of moving air hydroelectric energy energy created from the force of moving water (hydro=water) geothermal energy (geo=earth, thermal=heat) energy created from heat inside the earth biofuel (bio=life) biomass (bio=life) a fuel that is from plant materials (biomass) that are changed into a liquid fuel organic matter that can be used as an energy source (such as crops, wood, plant and animal waste, algae).