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BEVERLYVILLAFLORIN
Answered

10. Which is a term used for the sound that is reflected to its source?
A. echo
B. absorption
C. refraction
D. none of these

11. Animals such as bats and whales use sound to locate their food and other objects. This transmission of sound waves and echoes is called
A. echolocation
B. radiation
C. reflection
D. None of these

12. Why does sound become weaker or fainter as it moves away from the observer?
A. the sound spreads to cover a larger area
B. the sound is lowered by the operator C. the sound spreads to cover a smaller area
D. the sound is already absorbed by the environment

13. Which explains why lightning occurs first before hearing the crackling sound of the thunder?
A. Sound travels slower than light.
B. Sound travels faster than light.
C. Our eyes works fast than our ears.
D. None of these

14. Why will sound echo in an empty gym?
A. Sound has nowhere to go
B. There are only hard surfaces so sound only reflects.
C. Sound travels in waves.
D. Sound is unpredictable.

15. What happens with light when it bounces back to your eyes?
A. Light is refracted.
B. Light is reflected.
C. Light is absorbed. D. Light is blocked.​

Sagot :

CARLIETIININ

Answer:

10.A

11.A

12.A

13.D

14.A

15.A

NAYEONMYBABYBUNNYIN

10. Which is a term used for the sound that is reflected to its source?

  • A. echo
  • B. absorption
  • C. refraction
  • D. none of these

11. Animals such as bats and whales use sound to locate their food and other objects. This transmission of sound waves and echoes is called

  • A. echolocation
  • B. radiation
  • C. reflection
  • D. None of these

12. Why does sound become weaker or fainter as it moves away from the observer?

  • A. the sound spreads to cover a larger area
  • B. the sound is lowered by the operator
  • C. the sound spreads to cover a smaller area
  • D. the sound is already absorbed by the environment

13. Which explains why lightning occurs first before hearing the crackling sound of the thunder?

  • A. Sound travels slower than light.
  • B. Sound travels faster than light.
  • C. Our eyes works fast than our ears.
  • D. None of these

14. Why will sound echo in an empty gym?

  • A. Sound has nowhere to go
  • B. There are only hard surfaces so sound only reflects.
  • C. Sound travels in waves.
  • D. Sound is unpredictable.

15. What happens with light when it bounces back to your eyes?

  • A. Light is refracted.
  • B. Light is reflected.
  • C. Light is absorbed.
  • D. Light is blocked.

#CarryOnLearning

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