| A | B |
|---|
| Petroleum | (crude oil) oil and natural gas are both types of this; oil is the liquid form and natural gas is the gaseous form |
| Oil Fields | reservoirs of petroleum |
| Refine | extracting fuels like gasoline and kerosine from oil |
| Coal | main source of energy before oil was used; made from prehistoric plants and bogs |
| Carbon Dioxide | released by burning fossil fuels, contributes to global warming |
| Greenhouse Effect | the trapping of carbon dioxide from the atmosphere, causing temperatures to rise |
| Fossil Fuel | include natural gas, coal & oil - used to heat our homes, power our cars and run industrial plants |
| Decay | the transformed remains of tiny marine plants and animals from millions of years ago |
| Prehistoric | from many years ago |
| Extract | to pull or drill from deep in the earth's crust |
| Pollution | caused by burning fossil fuels, it harms the environment and introduces harmful substances into the atmosphere |
| Global Warming | increase in earth's temperature causing harmful climate changes to the Earth |
| Nonrenewable Resource | fossil fuels can't be replaced after they're gone |
| Consumption | the using up of fossil fuels |
