1. In which way does thermal energy is produced?

A. by vibrating objects
C. by moving electrons
B. by traveling through empty space
D. by the motion of molecules

2. Complete the sentence, when heat is absorbed, it turns to
energy.

A. Electrical
B. Radiant
C. Thermal
D. Light

3. Your mother is cooking arroz caldo. She left the ladle inside the kettle for a while. What do you think will happen to the ladle and why?

A. It becomes hot because the heat transfers to it.
B. It becomes cold because it is made of iron
C. It will mix with the arroz caldo.
D. Nothing will happen.

4. Which of the following activities transfer heat energy to convection process?

A. boiling of water
C. drying of fish
B. mixing coffee and sugar
D. touching hot object

5. What form of energy is produced when electrons flow through conductors like metal wire?

A. Mechanical Energy
C. sound energy
B. electrical energy
D. Heat Energy

6. How does an electrical form of energy produced?

A. by vibrating objects
C. by moving electrons
B. by traveling through empty space
D. by the motion of molecules

7. What form of energy is needed to run a washing machine?

C. Electrical energy
B. mechanical energy
D. Chemical energy

8. Windmills are sometimes used to convert wind energy into

A. kinetic
B. electrical
C. radiant
D. potential

9. Which energy allows radio, TV, computers, washing machine etc. to function?

A. chemical energy
C. mechanical energy
B. electrical energy
D. sound energy

10. Which of the following statement is TRUE about the ues of electricity?

A. Television, MP3 players and computers as sources of entertainment run on electricity.

B. In healthcare, the use of electricity for operating modern technologies is very important.

C. Reaching places and communicating from a different corner of the world is only possible
because of electricity.

D. Doing household chores become difficult because of electricity.​