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Science matters!
| non-renewable resources | a resource that cannot be replaced in a short amount of time (example: oil, natural gas, coal, and minerals) |
| inexhaustible resources | a reusable resource that people cannot use up, can be used over and over. (examples: wind, sunlight, ocean tides, air, and water) |
| fossil fuels | non-renewable resources formed from the organisms (fossils) that died millions of years ago (example: coal, natural gas, and petroleum) |
| water cycle | water moving through earth’s environment by evaporation, condensation, and precipitation |
| evaporation | the process by which a liquid becomes a gas (example: in the water cycle, the sun’s heat changes liquid water into a gas (water vapor) |