D. soun
and
hometown. Which of the
Write TS
9
A mechanical
C. chemical energy sound energy
You used a battery-operated flashlight during a blackout in your
following is correctly arranged?
A. heat energy electrical energy light energy
B. chemical energy>light energy sound energy
C. chemical energy heat energy sound energy
D. chemical energy-electrical energy light energy
10. Which energy transformation occurs in beating the drums?
A. sound energy mechanical energy
B. mechanical energy sound energy
C. electrical energy sound energy
D. heat energy electrical energy
11. Which energy transformation occurs in using the washing machine?
A. mechanical energy to electrical energy
B. electrical energy to mechanical energy
C. electrical energy to sound energy
D. heat energy to sound energy
heat energy?
12. Which of the following shows that electrical energy is changed to
A lighting a candle
B. plugging a flat iron
C. plugging an electric fan
D. turning on the battery-operated toy car
Zumba?
13. Which energy transformation occurs when you are dancing the
A heat energy to sound energy to mechanical energy
B. electrical energy to mechanical energy to heat energy
C. chemical energy to mechanical energy to heat energy
D. mechanical energy to chemical energy to heat energy
sound, light and heat
14. Which of the following shows that electrical energy is changed to
energy?
A. switching on of flashlight
B. turning on the TV
C.plugging an oven
D. running
mechanical and heat
15. Which of the following shows that chemical energy is changed to
energy?
A. egg beater
B. fruit shake blender
C. driving a jeepney
D. plugging an electric fan
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Answer:
9. c
10. d
11. a
12. b
13. c
14. a
15. d
Explanation:
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