____1. Ben is watching his favorite show on television. The sound produced from the television is from ________

energy.

a. heat b. sound c. electrical d. mechanical

____2. My sister plays piano in their school since she is a member of the school band. The conversion of energy

is from ______ to sound energy.

a. electrical b. chemical c. mechanical d. sound

____3. Lara loves to sing karaoke songs. The sound coming from the microphone is sound energy converted to

_______ energy.

a. heat b. sound c. electrical d. mechanical

____4. When you are speaking on your smartphone, sound energy of your voice is transformed into ______ energy.

a. electrical b. chemical c. mechanical d. sound

____5. Chris went to the laboratory to find some beakers. The room was dark. What must he do to transform the

electrical energy into light energy so he can find the beaker?

a. Turn off the switch. c. Turn on the faucet.

b. Turn on the electric fan. d. Turn on the switch of the bulb.

____6. Which of the following materials convert light energy to electrical energy?

a. Television b. light bulb c. radio d. solar panels

____7. You want to eat midnight snacks and heat the food. Which of the following energy transformations is

present with the microwave oven that you will use?

a. sound energy to electrical energy c. heat energy to electrical energy

b. electrical energy to heat energy d. electrical energy to light energy

____8. As your mother washes your dirty laundry, she uses washing machine to finish the work earlier. Which

energy transformation if present in the washing machine?

a. light energy to electrical energy c. mechanical energy to electrical energy

b. electrical energy to heat energy d. electrical energy to mechanical energy

____9. Lloyd loves to play a guitar. As he plucks his guitar, _______ energy is transformed into _______ energy.

a. sound; mechanical c. mechanical; sound

b. chemical; sound d. mechanical; electrical

____10. Which of the following objects does not produce sound energy?

a. bicycle c. television

b. Trumpet d. ukulele

____11. Which sound energy transformation is present in a battery-operated radio?

a. electrical energy to sound energy c. mechanical energy to sound energy

b. chemical energy to sound energy d. heat energy to sound energy____12. Which of the following sound energy transformation is present in a church bell?

a. electrical energy to sound energy c. mechanical energy to sound energy

b. chemical energy to sound energy d. heat energy to sound energy

____13. Karen sets up her electric alarm clock at 6 o’clock in the morning for her to get up in time for school.

What energy transformation happens in Karen’s clock to wake her up in the morning?

a. sound energy is converted to kinetic energy

b. chemical energy is converted to sound energy

c. thermal energy is converted to sound energy

d. electrical energy is converted to sound energy

____14. Liza had a recital yesterday. The audience were amazed on how she played her violin. What is the energy

transformation happened in the violin?

a. thermal to electrical c. light to electrical

b. mechanical to sound d. chemical to sound

____15. It’s Jim’s birthday. His father strikes a match and light up the candle in his cake. Which energy

transformation is present in striking the match?

a. thermal energy to mechanical energy c. mechanical energy to thermal energy

b. chemical energy to thermal energy d. electrical energy to thermal energy​