Activity 5: Read the sentences carefully. Write the letter of the correct answer on a clean sheet of paper!
7. Which of the following shows that electrical energy is transformed into a sound energy?
A. playing the electric guitar
B. using sunlight to dry clothes.
C. switching on incandescent light.
D. an athlete running after drinking water
8. Which of the following is an example of sound energy being converted to heat energy?
A. flat iron
B. air conditioner
C. electric clothes dryer
D. talking to someone using a cellphone
9. A television converts electrical energy into?
A. Chemical
B. Heat
C. Light
D. Sound
E. Both A and B
F. Both B and C
G. Three of them B.,C.,D.
10. A certain appliance underwent transformation as shown. What is this appliance?
A. Electric fan
B. Laptop
C. Flat iron
D. microwave oven
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Verified answer
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7b
8d
9a
10c
Answer:
7. A
8.D
9.B
10.D
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