The document lists and relates different forms of energy, including kinetic energy, potential energy, chemical energy, heat energy, light energy, sound energy, electric energy, and nuclear energy. It provides examples of the conversions between these different types of energy, such as chemical energy from coal being converted to heat energy, or kinetic energy being converted to heat energy from friction.

1. Electric Energy Heat Kinetic Energy Chemical Energy Electrical Energy 2 1 3 Potential Energy Kinetic Energy

2. 4 Electric Energy Heat Energy Kinetic Energy 5 Nuclear Energy Heat Energy Light Energy Sound Energy

3. 7 Potential E. Kinetic E. Small Heat E. small Sound E. K.E. P.E. 6 Electric E. Heat E. Light E.

4. Kinetic Energy Electric Energy 8 Heat E. Light E. 9 Electric Energy Sound Energy Kinetic Energy

5. 10 Chemical E, Heat E. Light E. Sound E. Kinetic E. Electrical E. 11

6. 13 Light E. Chemical Energy 17 Kinetic E. Heat E.

7. Spring Potential Energy Wheels Kiinetic Energy 19 18 Light Energy Electrical Energy

8. 20 Kinetic E. of Stick Heat Energy From Friction Chemical E. (Coal) Heat Energy Kinetic Energy Steam Kinetic E. Wheels 21