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II. Write the letter of the correct answer on blank before each number.
11. It is type of radiant energy. It is a form of energy that enables people to see. It is
emitted by luminous objects such as the sun. What kind of energy is describede
A. Electrical energy
C. Kinetic energy
B. Light energy
D. Thermal energy
12. What best defines energy?
A. It moves vehicles.
B. It is the ability to do work.
C. It allows people to listen to music.
B. It gives light to streets and households.
13. What is a potential energy?
A. It is an energy at rest.
B. It is an energy in motion.
C. It is an energy that moves on electrical charges.
D. It is an energy that moves through substances in waves.
14. What is the ultimate source of heat and light?
A. bulb
C. star
B. moon
D. Sun
15. Which of the following shows a kinetic energy?
C. a running bus
A. a man sitting on a bench
D. a rolling wheel
B. a dog sleeping on a mat
16. What form of energy does a rock on top of a hill has?
C. Chemical potential energy
A. Kinetic energy
D. Gravitational potential energy
B. Potential energy​