1. Fossil Fuels

2. Renewable Energy Source Non-renewable Energy Source

3. Energy sources are nonrenewable if they cannot be made again in a short period of time. Renewable energy sources, such as solar and wind, can be replenished naturally in a short period of time.

4. What are Fossil Fuels? Non-renewable energy sources that formed from the buried remains of plants and animals that lived millions of years ago Over time, heat and pressure turned decomposing remains into fuels, which release energy when burned

5. Three Forms Coal Oil Natural Gas Dark, thick, greasy liquid Hard, black, lumpy substance Colorless, odorless, shapeless gas

6. In High Demand People all over the world depend on fossil fuels to make electricity, heat homes and other buildings, drive cars, etc. Fossil fuels supply about 90 percent of the world’s energy

7. Problems with Fossil Fuels Humans are using fossil fuels 100,000 times faster than they are being made When we burn fossil fuels we create pollution –Fossil fuels contain carbon. When they are burned the carbon goes into the air and makes carbon dioxide