3rd Grade Science - What Is Sound?
10 Questions
| Total Attempts: 3247
(158).jpg "3rd Grade Science - What Is Sound?")
Sound is a vibration that typically propagates as an audible wave of pressure, through a transmission medium such as a gas, liquid or solid. During the past few classes we have been able to learn more about sound, its production and transmittance. Take this quiz and get to know more about it.
Questions and Answers
- 1.When something __________, it moves back and forth quickly.
- A.
Echos
- B.
Vibrates
- C.
Rattles
- 2.Sounds cause the ______________ to vibrate and send a message to the brain.
- A.
Eardrum
- B.
Ear lobe
- C.
Lips
- 3.___________ is the lowness or highness of a sound.
- A.
Volume
- B.
Tone
- C.
Pitch
- 4.An _________ is caused by sound waves bouncing off objects.
- A.
Echo
- B.
Sound wave
- C.
Vibration
- 5.__________ is the loudness or softness of a sound.
- A.
Pitch
- B.
Tone
- C.
Volume
- 6.Sound travels better through ___________ than air.
- A.
Water
- B.
Outer space
- C.
Solid objects
- 7.The speed of sound is slower than the speed of _________________.
- A.
A racecar
- B.
Light
- C.
A train
- 8.We make sound when our ___________ vibrate.
- A.
Vocal chords
- B.
Throat
- C.
Lips
- 9.The _________ the source of the vibrations, the louder the volume of the sound will be.
- A.
Quicker
- B.
Farther away
- C.
Closer
- 10.If the force of plucking a guitar string is decreased, the volume becomes ___________.
- A.
Softer
- B.
Louder
- C.
Lower in pitch
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