| A | B |
| fossil fuels | coal, oil, and natural gas |
| coal | most abundant fossil fuel in the world |
| oil | thick, black liquid |
| petroleum | also known as oil |
| natural gas | used for heating and cooking |
| marine animals like plankton | what oil and natural gas are made from |
| pollution | burning fossil fuels creates this |
| nuclear energy | alternate energy source produced from atomic reactions |
| nuclear fission | when atoms split making energy |
| inexhaustible | resources are constant and they will not run out |
| solar energy | energy from the sun |
| turbines | collects wind energy to generate electricity |
| wind farm | bunch of wind turbines in one place |
| hydroelectric power | energy produced from running water |
| geothermal energy | energy we get from magma and hot rocks inside the earth |
| renewable energy resources | replaced in a short amount of time |
| biomass energy | wood, alcohol, and garbage |
| mineral resource | deposit of useful materials |
| ores | deposits in which a mineral or minerals exist in large enough amounts to be mined as a profit |
| hematite | the ore of iron |
| bauxite | the ore of aluminum |
| recycling | using old materials to make new ones |
| aggregate | most important building materials |
| nonrenewable | minerals are this type of resource |