I. Choose the letter of the correct answer.
1. What colors are reflected when an object appears black?
A. none B. all colors C. red and blue D. black
2. Which object would absorb the most light and heat?
A. black shirt B. red apple C. green leaf D. white car
3. Which object would reflect the most light?
A. black shirt B. red apple C. green leaf D. white car
4. If red and green lights are shining on a red apple, what happens to the red and green lights?
A. Both are absorbed. C. Red is reflected and green is absorbed.
B. Both are reflected. D. Green is reflected and red is absorbed.
5. When objects absorb light, the energy that was once travelling through the wave is absorbed into the object and
converted to heat, causing the temperature of the object to __________.
A. fall B. rise C. stay the same D. keep still
6. White absorbs all colors while black reflects all colors.
A. True B. Maybe C. False D. Not at all
7. Black and colored objects absorb ___________ than white ones.
A. less heat B. more heat C. the same amount of heat D. no heat
8. During hot or summer days, people must wear _____________.
A. white or light-colored clothes C. black clothes
B. dark-colored clothes D. any color of clothes
9. Which set of objects are usually black and are more absorbent of heat?
A. carbon paper, roof, bag C. coal, tires, iron, magnet
B. hair, laptop, clothes D. flower, paper, vase
10. You are walking one afternoon to go to your uncle’s house. You are aware that exposure to sunlight can lead to certain diseases. What material can you use in order to block the sun that damages your skin? A. umbrella B. books C. bag D. rain coat
11. The following are examples of materials that transmit light. Which one is not useful?
A. picture frames
B. windows of houses
C. glass doors covered with designed plastic
D. display cabinet door
12. Why do most people in tropical countries use white paint for their homes?
A. to shade their house C. to make feel cool and comfortable
B. to absorb heat D. to decrease the temperature
13. Why is light absorbed by the plants useful?
A. It makes the plants green. C. Light is reflected and increase its temperature.
B. Over exposure of plant to light make plants die. D. It makes the environment cool.
14. Why do people enjoy the shade of the tree during summer?
A. It reflects light. C. It blocks light.
B. It absorbs light. D. It transmit light
15. Which of the following is the main parts of a circuit to make a bulb light?
A. switch, wires, source C. battery and bulb
B. wires, bulb, source and switch D. wires and battery
16. It is the source of electrical energy in a circuit.
A. battery B. switch C. wire D. bulb
17. It is a circuit where electricity cannot flow.
A. open circuit B. closed circuit C. battery D. switch
18. It connects the light bulb to the battery.
A. wire B. source C. open circuit D. bulb
19. It is used to open and close the circuit.
A. switch B. source C. circuit D. bulb
20. It is a complete path of electricity.
A. closed circuit B. switch C. circuit D. open circuit
1. What colors are reflected when an object appears black?
A. none B. all colors C. red and blue D. black
2. Which object would absorb the most light and heat?
A. black shirt B. red apple C. green leaf D. white car
3. Which object would reflect the most light?
A. black shirt B. red apple C. green leaf D. white car
4. If red and green lights are shining on a red apple, what happens to the red and green lights?
A. Both are absorbed. C. Red is reflected and green is absorbed.
B. Both are reflected. D. Green is reflected and red is absorbed.
5. When objects absorb light, the energy that was once travelling through the wave is absorbed into the object and
converted to heat, causing the temperature of the object to __________.
A. fall B. rise C. stay the same D. keep still
6. White absorbs all colors while black reflects all colors.
A. True B. Maybe C. False D. Not at all
7. Black and colored objects absorb ___________ than white ones.
A. less heat B. more heat C. the same amount of heat D. no heat
8. During hot or summer days, people must wear _____________.
A. white or light-colored clothes C. black clothes
B. dark-colored clothes D. any color of clothes
9. Which set of objects are usually black and are more absorbent of heat?
A. carbon paper, roof, bag C. coal, tires, iron, magnet
B. hair, laptop, clothes D. flower, paper, vase
10. You are walking one afternoon to go to your uncle’s house. You are aware that exposure to sunlight can lead to certain diseases. What material can you use in order to block the sun that damages your skin? A. umbrella B. books C. bag D. rain coat
11. The following are examples of materials that transmit light. Which one is not useful?
A. picture frames
B. windows of houses
C. glass doors covered with designed plastic
D. display cabinet door
12. Why do most people in tropical countries use white paint for their homes?
A. to shade their house C. to make feel cool and comfortable
B. to absorb heat D. to decrease the temperature
13. Why is light absorbed by the plants useful?
A. It makes the plants green. C. Light is reflected and increase its temperature.
B. Over exposure of plant to light make plants die. D. It makes the environment cool.
14. Why do people enjoy the shade of the tree during summer?
A. It reflects light. C. It blocks light.
B. It absorbs light. D. It transmit light
15. Which of the following is the main parts of a circuit to make a bulb light?
A. switch, wires, source C. battery and bulb
B. wires, bulb, source and switch D. wires and battery
16. It is the source of electrical energy in a circuit.
A. battery B. switch C. wire D. bulb
17. It is a circuit where electricity cannot flow.
A. open circuit B. closed circuit C. battery D. switch
18. It connects the light bulb to the battery.
A. wire B. source C. open circuit D. bulb
19. It is used to open and close the circuit.
A. switch B. source C. circuit D. bulb
20. It is a complete path of electricity.
A. closed circuit B. switch C. circuit D. open circuit
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Answers & Comments
1. What colors are reflected when an object appears black?
B. all colors
C. red and blue
D. black
2. Which object would absorb the most light and heat?
B. red apple
C. green leaf
D. white car
3. Which object would reflect the most light?
A. black shirt
B. red apple
C. green leaf
4. If red and green lights are shining on a red apple, what happens to the red and green lights?
A. Both are absorbed.
C. Red is reflected and green is absorbed.
D. Green is reflected and red is absorbed.
5. When objects absorb light, the energy that was once travelling through the wave is absorbed into the object and converted to heat, causing the temperature of the object to __________.
A. fall
B. rise
D. keep still
6. White absorbs all colors while black reflects all colors.
A. True
B. Maybe
D. Not at all
7. Black and colored objects absorb ___________ than white ones.
A. less heat
C. the same amount of heat
D. no heat
8. During hot or summer days, people must wear _____________.
A. white or light-colored clothes
C. black clothes
B. dark-colored clothes
D. any color of clothes
9. Which set of objects are usually black and are more absorbent of heat?
A. carbon paper, roof, bag
B. hair, laptop, clothes
D. flower, paper, vase
10. You are walking one afternoon to go to your uncle’s house. You are aware that exposure to sunlight can lead to certain diseases. What material can you use in order to block the sun that damages your skin?
A. umbrella
B. books
D. rain coat
11. The following are examples of materials that transmit light. Which one is not useful?
A. picture frames
B. windows of houses
C. glass doors covered with designed plastic
12. Why do most people in tropical countries use white paint for their homes?
A. to shade their house
C. to make feel cool and comfortable
D. to decrease the temperature
13. Why is light absorbed by the plants useful?
A. It makes the plants green.
B. Over exposure of plant to light make plants die.
D. It makes the environment cool.
14. Why do people enjoy the shade of the tree during summer?
C. It blocks light.
B. It absorbs light.
D. It transmit light
15. Which of the following is the main parts of a circuit to make a bulb light?
A. switch, wires, source
C. battery and bulb
D. wires and battery
16. It is the source of electrical energy in a circuit.
B. switch
C. wire
D. bulb
17. It is a circuit where electricity cannot flow.
B. closed circuit
C. battery
D. switch
18. It connects the light bulb to the battery.
B. source
C. open circuit
D. bulb
19. It is used to open and close the circuit.
B. source
C. circuit
D. bulb
20. It is a complete path of electricity.
A. closed circuit
B. switch
D. open circuit
correct me if im wrong