Key Questiosn. Nonrenewable resources Form in Earth’s crust Millions of years Buried remains of once living organisms.

1. What are fossil fuels?2. What is petroleum?3. What is natural gas?4. What is coal?5. How do humans obtain fossil fuels?6. What are the problems with fossil fuels?

Key Questiosn

1. What are fossil fuels?

Nonrenewable resourcesForm in Earth’s crust Millions of years Buried remains of once living organisms.

2. What is petroleum?

Liquid Made from decayed sea life Used to make gasoline, diesel,

plastics

3. What is natural gas?

Gas Formed from decayed sea life Used to cook and heat homes

4. What is coal?

Solid Rock Made from decayed plants

5. How do humans obtain fossil fuels?

Petroleum/natural gas – drilling

Coal - mining

6. What are the problems with fossil fuels? Non-Renewable

Burning of natural gas and coal - air pollution (smog and acid rain)

Petroleum - water pollution (oil spills)