1. Energy Looking Back, Looking Ahead
Forms of Energy
Thermal
Chemical
Electrical
Sound
Light
Nuclear
Types of Energy
Kinetic
Potential
Sources of Energy:
Which resources provide us with energy?

2. Renewable vs. Nonrenewable Resources

3. The original energy source for most other energy resources…
Energy Resource – a natural resource that can be converted to useful forms of energy
The original energy source for most other energy resources…
The Sun

4. Which resources provide the United States with energy?

6. Nonrenewable Resources
Can’t be easily replaced after they’re used
Fossil Fuels – formed from the buried remains of ancient plants and animals
- Contain stored energy obtained from the sun
Coal
Petroleum
Natural Gas

7. Coal, Petroleum, Natural Gas
Fossil Fuels
Coal, Petroleum, Natural Gas
Advantages
Disadvantages
Provide a large amount of thermal energy per unit of mass
Non-renewable
Easy to obtain and easy to transport
Burning produces smog and acid rain
Can be used to produce electrical energy and make products
Risk of oil spills

8. Nonrenewable Resources
Burning a fossil fuel releases its energy.
Energy Conversions
Chemical - Thermal - Kinetic - Electric

9. Nonrenewable Resources
Nuclear power plants operate like coal plants, but with a different fuel.

10. Nuclear - Thermal - Kinetic - Electric
Nuclear Power Plants
Energy Conversions
Nuclear - Thermal - Kinetic - Electric

11. Renewable Resources
Can be used and replaced in nature Solar Energy Hydropower (Water) Wind Energy Geothermal Energy Biomass