LATEST Choose the letter of the best answer. Write the chosen letter on a separate sheet of paper,
1. A stone is dropped from a cliff. How does the energy of the stone change as it falls from clift to the ground?
C. kinetic to mechanical
A. kinetic to potential
D. chemical to mechanical
B. potential to kinetic
2. Which situation does NOT show the transformation of potential energy to kinetic energ
A. A bowler slowly throws a ball down the bowling lane.
B. The boy puts a stone on the slingshot then releases it.
C. During a baseball game, a good outfielder caught a flying ball.
D. A huge boulder started rolling down the hill during an earthquake.
3. Which energy transformation occurs when you switch on an electric bulb?
C. electrical to light to heat
A. Light to heat
B. mechanical to electrical
D. electrical to heat to mechanical
4. What is always produced during energy transformation?
B. light
C. sound
A heat
D. electricity
5. Which of the following converts electrical energy to light, sound and heat?
C. Television
A. Electric fan
B. Electric bulb
D. Washing machine
6. Which energy transformation happens when you switch on the flashlight?
A chemical energy electrical energy light & heat energy
B. electrical energy chemical energy light & heat energy
C. light & heat energy chemical energy electrical energy
D. light & heat energy electrical energy chemical energy
7. Which energy transformation occurs in an electric iron?
A. heat to light
C. heat to electrical
B. light to heat
D. electrical to heat
3. Which of the following shows that chemical energy is changed to mechanical energ
A. lighting a candle
C. using sunlight to dry clothes
B. switching on a flashlight
D. an athlete run after drinking water Your food possess energy. What energy transformation occurs in your body? ? A. Chemical energy Mechanical energy B. Chemical energy Electrical energy C. Mechanical energy Chemical energy
D. Mechanical energy
To which form of energy does the mechanical energy of the windmill is transform thereby giving lights to homes, offices and industries?
C. Chemical energy
D. Electrical energy Heat energy
A. Radiant energy
B. Nuclear energy
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Answer:
1 B
2A
3A
4D
5C
6A
7C
8B
9D
10D