click below
click below
Normal Size Small Size show me how
4th Natural Resource
| Question | Answer |
|---|---|
| natural resources | materials in the environment that are useful to people |
| renewable energy | materials from the Earth that can be replaced in a short period of time (ex trees) |
| non-renewable energy | materials from the Earth that cannot be replaced within a reasonable amount of time (ex coal) |
| wind energy | energy that comes from changing the power of moving air into a useful form |
| hydropower energy | energy made from moving water |
| solar energy | energy that comes from the sun |
| biomass energy | fuel made from plant or animal waste (organic matter) |
| Oil | a flammable liquid produced from remains of marine organisms buried under layers of sediments for millions of years |
| Coal | a rocky type material formed from peat in ancient swamps and marshes over millions of years |
| Natural gas | a flammable gas produced from marine organisms buried under layers of sediments for millions of years |
| Fossil Fuel | nonrenewable flammable material made from the remains of plants and animals that were buried millions of years ago. Used for electricity and heat |