Sound Question Preview (ID: 30684)


Sound Test. TEACHERS: click here for quick copy question ID numbers.

Sound occurs when particles of air
a) vibrate
b) heat up
c) change shape
d)

Sound waves move slower through solids than in air
a) true
b) false
c)
d)

Sound waves move only in one direction
a) true
b) false
c)
d)

Why do sounds get quieter and then die out?
a) The sound wave gets too big and breaks
b) The sound waves lose their energy
c) The source of the sound gets further away
d)

The shape of the ear is important because
a) it is the same shape as the brain
b) is can hold liquid
c) it collects sound waves
d)

Sign language is important for people who are deaf because it is a way to communicate without using sound.
a) true
b) false
c)
d)

Sound is a kind of
a) force
b) movement
c) energy
d)

When something vibrates, it moves back and forth very slowly.
a) true
b) false
c)
d)

All sound that you hear, comes to you as a
a) sound wave
b) sonic boom
c) motion
d)

Sound waves are made when 2 or more particles of air are pushed together and then spread out.
a) true
b) false
c)
d)

Soft sounds move more particles.
a) yes
b) no
c)
d)

______________ is how loud a sound is.
a) pitch
b) decible
c) volume
d)

An example of something with a high pitch is thunder.
a) true
b) false
c)
d)

Sounds can move through all 3 states of matter (solids, liquids, gases/air)
a) true
b) false
c)
d)

Sound moves fastest in
a) solids
b) liquids
c) gases/air
d)

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