1. Directions: Choose the letter of the best answer. Write the letter of your answer on a
separate sheet of paper.
1. Which form of energy is the main source of light on earth?
A. Fire energy B. Light energy
C. Sound energy
D. Electric 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
D. Electrical energy
B. Light energy
C. Sound energy
4. Sound is made by
I. colliding objects II. vibrating objects I. heated objects
A. I only B. I. only C. I and II D. I, II, and I
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.
I. Directions: Choose the letter of the best answer. Write the letter of your answer on a
separate sheet of paper.
6. What energy is formed when you play the piano?
A heat energy
B. light energy
C. sound energy
D. electrical energy
7. Which of the following activities is an example of sound energy?
A Riding a bicycle B. Using a flashlight C. Wiping the mirror D. Ringing the ice cream bell
8. What are you going to do when you hear the siren of an ambulance?
A run as fast as you could
B. give way because of an emergency
C. compete with the pacing of an ambulance D. ignore the siren because it doesn't concern you
9. How does the seismologist use the sound energy in their work?
A. Used locate oil and minerals
B. Used to monitor pregnancies
C. Used to find out the weather update D. Used to track earthquake and volcanic activity
10. Why is sound energy used for taking images of babies inside the womb?
A Sound is less harteful among others forms of energy.
B. Light energy will not pass through the mother's skin and flesh.
C. The babies inside the womb can already hear sounds but cannot see yet.
D. Sound can be transmitted safely through human tissues and fluids and can be reflected
back to be used for imaging.
II. Directions: Choose the letter of the best answer. Write the letter of your answer on a
separate sheet of paper.
11. Which of the following energy is produced when a rise in temperature causes atoms and
molecules to move faster and collide with each other?
A. electrical energy
C. heat energy
C. mechanical energy
D. sound energy
12. How does heat travel in liquids and gases?
A. through conduction
B. through convection
C. through evaporation
D. through radiation
13. Which of the following DOES NOT show transfer of heat?
A. boiling water in a kettle
B. cutting paper in small pieces
C. placing a spoon in a cup of hot coffee D. lighting a room with a fluorescent lamp
14. The following are uses of heat energy EXCEPT
A. Heat energy is used for cooking,
B. Heat energy is used for communication.
C. Heat energy is used to generate electricity.
D. Heat energy is used to warm the surroundings.
15. Why is it highly advisable to use wood en utensil in cooking?
A. Heat is produced easily in a wood en handle.
B. Heat can transfer easily in a wooden handle.​