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1. If the mass of an object is 45 kg on Earth, what is its mass on the moon? A. 45 N B. 45 kg C. 441 N D. 441 kg
2. The following situations demonstrate potential energy EXCEPT: A. a bullet fired from a gun C. a car parked at the top of a hill B. a child at the top of a slide D. river water at the top of a waterfall
3. The potential energy is the energy an object has due to its B mass B. motion C. position D. weight
4. The following conditions exhibits kinetic energy EXCEPT: A. water inside a glass C. running athlete on the field B. rolling stone from the hill D. dancing kids in the living room of the house
5. Which of the following quantities, when doubled, has the greatest effect on the amount of kinetic energy? A mass B. size C. speed D. weight
6. If a green ball is higher from the ground than a yellow ball and both have the same mass, which ball has more potential energy? A green ball B. yellow ball C. both has the same PE D. both has the same KE
7. Which of the following factors does not affect the amount of potential energy of an object? A. gravity B. height C. mass D. speed
8. Which happens to kinetic energy if mass is doubled? A. doubled B. the same C. tripled D. quadrupled
9. Potential energy is the energy of an object based on its A. height and mass B. mass and speed C. speed and height D. weight and speed
10. Kinetic energy is the energy an object possessed due to its A. mass B. motion C. position D. weight
11. Which of the following factors does the speed of sound depend? B. density B. elasticity C. temperature D. all of the above
12. An echo occurs when a sound wave is A. absorbed B. reflected C. refracted D. transmitted
13. What happens to the speed of sound as the temperature increases? A. constant B. decreases C. increases D. cannot be determined
14. Which phenomenon explains why sound is heard at longer distances at night than in day? A echolocation B. reflection C. refraction D. reverberation
15. How fast does sound travel if the air temperature is 20 OC? A. 334 m/s B. 340 m/s C. 343 m/s D. 345 m/s 16
1. If the mass of an object is 45 kg on Earth, what is its mass on the moon? A. 45 N B. 45 kg C. 441 N D. 441 kg
2. The following situations demonstrate potential energy EXCEPT: A. a bullet fired from a gun C. a car parked at the top of a hill B. a child at the top of a slide D. river water at the top of a waterfall
3. The potential energy is the energy an object has due to its B mass B. motion C. position D. weight
4. The following conditions exhibits kinetic energy EXCEPT: A. water inside a glass C. running athlete on the field B. rolling stone from the hill D. dancing kids in the living room of the house
5. Which of the following quantities, when doubled, has the greatest effect on the amount of kinetic energy? A mass B. size C. speed D. weight
6. If a green ball is higher from the ground than a yellow ball and both have the same mass, which ball has more potential energy? A green ball B. yellow ball C. both has the same PE D. both has the same KE
7. Which of the following factors does not affect the amount of potential energy of an object? A. gravity B. height C. mass D. speed
8. Which happens to kinetic energy if mass is doubled? A. doubled B. the same C. tripled D. quadrupled
9. Potential energy is the energy of an object based on its A. height and mass B. mass and speed C. speed and height D. weight and speed
10. Kinetic energy is the energy an object possessed due to its A. mass B. motion C. position D. weight
11. Which of the following factors does the speed of sound depend? B. density B. elasticity C. temperature D. all of the above
12. An echo occurs when a sound wave is A. absorbed B. reflected C. refracted D. transmitted
13. What happens to the speed of sound as the temperature increases? A. constant B. decreases C. increases D. cannot be determined
14. Which phenomenon explains why sound is heard at longer distances at night than in day? A echolocation B. reflection C. refraction D. reverberation
15. How fast does sound travel if the air temperature is 20 OC? A. 334 m/s B. 340 m/s C. 343 m/s D. 345 m/s 16
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Answer:
1. A
2. A
3. B
4.A
5. C
6. A
7. B
8. A
9. B
10. A
11. C
12. B
13. C
14. D
15. C
Explanation:
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