Directions: Encircle the letter of the best answer.
1. Which form of energy is the main source of light on earth?
A. Fire energy
B. Light energy
C. Sound energy
D. Electrical energy
2. It is an energy produced by vibration.
A. Heat energy
B. Light energy
C. Sound energy
D. Electrical energy
3. Which form of energy travels through wire conductors?
A. Heat energy
B. Light energy
C. Sound energy
D. Electrical energy
4. Sound is made by
I. colliding objects
II. vibrating objects
III, heated objects
A. I only B. II only C. I and II D. I, II, and III
5. When a battery is charged, how does electrons move or travel?
A. It travels in three directions.
B. It travels in many directions.
C. It travels in different directions,
D. It travels in one direction in and out of the battery.​