1. Geothermal Energy

2. Geothermal Energy - the energy generated by earth

3. Geothermal energy in history The ancient Romans used hot springs to heat their homes, bathe and cook. In 1892, the first modern district heating system was developed in Boise, Idaho. It used water piped from hot springs to heat buildings.

4. How does it work?

5. Types of geothermal energy

6. How do you use geothermal energy to power your home? Use the internet to research the following website …. http://science.howstuffworks.com/ environmental/energy/ geothermal-energy.htm