1. It is the ability to do work.
A. energy B. gravity C. force D. motion
_____ 2. _________________ is the energy produced by vibrating objects.
A. heat energy B. sound energy C. electricity D. light energy
_____ 3. When electrons flow through wires or conductors, what energy is present?
A. Radiant energy B. Mechanical energy C. Electrical energy D. Heat energy
_____ 4. Speaker, radio, megaphone, washing machine and doorbell possess what form of energy?
A. electrical energy B. radiant energy C. light energy D. sound energy
_____ 5. Which of the following is not the use of sound energy?
A. Sound helps track earthquakes. C. Sound is used to generate electricity.
B. Sound is used to see internal organ. D. Sound is used to map the ocean floor.
_____ 6. In every transformation of energy from one form to another, ___________ is always produce.
A. heat B. light C. electricity D. sound
_____ 7. Which of the following releases heat energy?
A. radio and television C. flat iron and electric stove
B. floor polisher and vacuum cleaner D. flash light and lamp shade
_____ 8. Day to day living requires continues supply of energy. Which of the following supplies the whole
earth with it?
A. Water power B. Burning of fuels B. Sun’s energy D. Mechanical energy
_____ 9. When electric current is not available to light up the night, what energy is useful?
A. Heat energy from burning wood C. Sound energy from portable radio
B. Light energy from flash light D. Mechanical energy from battery-operated fan
_____ 10. Electrical energy is the most convenient forms of energy. Which of the following is NOT the use
of electrical energy?
A. Electricity is used in navigation
B. Electricity is used to run machines
C. Electricity is used in transportation.
D. Electricity is used in most of home appliances
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HUHUHU ayaw nya ma submit,may rude words daw