click below
click below
Normal Size Small Size show me how
Natural Resources
| Question | Answer |
|---|---|
| Resources that can be used over and over again without being depleted using solar cells. | renewable resource |
| Source of energy other than burning fossil fuel. | alternative energy source |
| Energy that comes from the sun. Solar power generates electricity using solar cells. Many homes use solar energy through the use of solar panels. | Solar Energy |
| Comes from moving water (like rivers, tides, and ocean waves). | Hydropower or Hydroelectricity |
| Wood, crops, and animal waste are biomasses that can be burned. Biomass is stored energy, but when burned it changes to thermal energy, gas, or fuel. | Biofuel |
| Energy can come from this. Examples are windmills or wind turbines. | Wind |
| Heat energy obtained from Earth's interior. Water deep in the earth is heated. | Geothermal |
| The act of saving, protecting, or using resources wisely. | conservation |
| Generators change mechanical energy into electrical energy. Fans and motors change electrical energy into motion (kinetic) energy. | electricity |
| Burning fossil fuels are one of the main causes of air pollution. Air pollution can cause breathing problems and eye irritation. | Pollution |
| Sources of energy that are useful to people and cannot be replaced easily. | natural materials |
| metal (like copper) is an example of a _____. | nonrenewable |
| fossil fuel is an example of a _______. | nonrenewable |
| __________ are a source of energy made from the remains of ancient, once living things (coal, oil, and natural gas). | Fossil Fuel |
| Nuclear energy is an example of a ___________. | nonrenewable resources |
| Polluting the environment is a _____. | problem |
| Nuclear waste may damage the environment which is a _____. | problem |