Energy

1. Different forms of energy

1.1. Light

1.2. Heat

1.3. Kinetic

1.4. Nuclear

1.5. Chemical

1.6. Potential Energy

1.6.1. Elastic potential energy

1.6.2. Gravitational potential energy

1.6.3. Chemical potential energy

1.7. Wind

1.8. Electrical

1.9. Sound

2. Definition of Energy

2.1. the ability to do work

2.2. to produce a change

3. Cannot be created or destroyed

4. Energy changes

4.1. Energy can be changed from one form to another

4.2. The total amount of energy before and after the change remains the same.