Science 7 Unit E : Planet Earth

Topic 10 - Fossil Fuels

Petroleum is a naturally occurring mixture of hydrocarbons, such as bitumen, coal, oil, and

gas. Petroleum is most often found in __________________________.

These basins were formed from the sediments of tiny plants and animals deposited

__________________________.

The basins were under heat and pressure for millions of years. It is thought that during that

time, the soft parts of the plants and animals were transformed into solid, liquid, or gas

hydrocarbons called __________________________.

Coal is usually formed from plants that __________________________. Oil is usually formed

from __________________________. Natural gas can be formed from __________________.

Finding and Mining Fossil Fuels

Bitumen is a heavy, almost solid form

__________________________.

Science 7 Unit E : Planet Earth

Topic 10 Review1. What is petroleum?

2. How are coal, oil, and natural gas formed?

3. How do geologists decide where to drill for oil and gas?

4. What are some common products that come from fossil fuels?

Science 7 Unit E : Planet Earth