____1. An energy that is produce through vibrations by hitting, striking or strumming of objects.
A. Sound energy B. heat energy C. light energy D. chemical energy
____2. Energy transferred and produced by very small particles in matter through electromagnetic waves.
A. Sound energy B. heat energy C. light energy D. chemical energy
____3. It is produced when electrons move from one atom to another.
A. Sound energy B. Electricity C. chemical energy D. light energy
____4. It is produced through constant movement of molecules from a higher temperature to bodies of lower temperature
A. Sound energy B. heat energy C. light energy D. chemical energy
____5.What is the essential component of any power plant?
A. generator B. turbine C. transformer D. solar panel
____6. Why is it necessary that energy from nature be converted into electricity?
A. Electricity is safer to use than nature
B. Nature is the only source of energy
C. Electricity can be converted in one area only
D. Electricity can be stored, transmitted and distributed to far places.
____7. Which of the following energy transformation happen to a light bulb that is switched on?
A. electricity----sound---heat----light C. Electricity----light----heat
B. Electricity----heat---light d. None of the above
____8. What group of electronic devices has this pattern of energy transformation?
Electricity---light---sound---heat
A. Electric fan, flat iron, wall fan C. blow dryer, washing machine, desk fan
B. Cellphone, tablets, computer, TV D. light bulb, flat iron, speaker, microphone
____9. Which of the following produces sound energy when plucked or strummed?
I. Guitar and ukulele III. drums and cymbals
II. Flute and trombone IV. Harp and bass guitar
A. I and II B. II and III C. III and IV D. I and IV
____10. How does the solar energy form the sun enter the earth’s atmosphere?
A. It enters through the earth in the form of heat and sound
B. It enters through the earth in the form of light and sound
C. It enters through the earth in the form of electromagnetic wave or radiant energy
D. It enters through the earth in the form of mechanical energy
PASAGOT PO TY
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Answer:
1.A
2.D
3.C
4.B
5.D
6.D
7.D
8.B
9.D
10.C
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