PASAGOT NAMAN YUNG TAMA
1. What is the relationship of temperature to the speed of sound?
a. equal
b. no relationship
c. directly proportional
d. inversely proportional
2. Sound travels faster through warm materials than cold materials because
a. warm particles move slowly
b. warm particles are moving quickly
c. gas particles are packed tightly
d. sound does not travel faster through a warm substance
3. When the direction of a wave changes as it passes from one medium to another, it is called _______
a. density
b. echo
c. reflection
d. refraction
4. What happens to the speed of sound when it travels in warmer objects?
a. constant
b. faster
c. slower
d. cannot be determine
5. Which of the following factors does the speed of sound depend?
a. density
b. elasticity
c. temperature
d. all of the above
6. What happens to the speed of sound as the temperature increases?
a. constant
b. decreases
c. increases
d. cannot be determined
7. Which phenomenon explains why sound is heard at longer distances at night than in a day?
a. echolocation
b. reflection
c. refraction
d. reverberation
8. An echo occurs when a sound wave is _______________.
a. absorbed
b. reflected
c. refracted
d. transmitted
9. Which form of energy is composed of air particles of air when an object vibrates?
a. dispersion
b. light
c. sound
d. temperature
10. Which of the following is described as the movement in the particles of air when an object vibrates?
a. dispersion
b. light
c. sound
d. vibration
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Answer:
1.C
2.B
A
B
D
C
A
A
C
A
Explanation:
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