| A | B |
| environment | resources, influences, conditions near Earth's surface |
| renewable resource | resource replaced by nature |
| nonrenewable resource | resource not replaced by nature |
| ore mineral | mineral with metallic element |
| reserve | deposits of minerals worth mining |
| fossil fuels | coal, petroleum, natural gas formed from remains of organisms |
| geothermal | heat from the earth |
| solar power | energy from the sun |
| wind power | force of moving air |
| uranium | metallic element most used as fuel |
| water power | most efficient way to produce electricity |
| hydroelectric power | water produced electricity |
| conservation | protection, restoration, management of natural resources |
| recycle | collect and reuse materials from waste |