Pretest Answers

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1
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Which of these objects would most likely cause a sound wave?

A
a nail stuck into a piece of wood
B
a drill laying on its side
C
a wrench locked in place around a bolt
D
a hammer hitting a metal cup
2
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A wave is traveling through X. What can be known about X?

A
It is any medium.
B
It is empty space.
C
It is a liquid.
D
It is a solid.
3

Which best describes vibration?

A
the distance between one compression and the compression next to it
B
the action of moving back and forth quickly and steadily
C
the distance traveled per unit in time
D
the action of moving through a material or substance
5

A high amplitude sound wave can best be compared to a

A
tightly coiled spring.
B
short hill.
C
tall hill.
D
stretched-out spring.
8

Which of these would most likely cause a sound wave?

A
milk standing in the bottle
B
butter melting
C
cookies baking
D
a spoon hitting the side of a bowl while mixing
10

Allison wants to calculate the speed of a sound wave. Which formula should she use?

A
number of wavelengths / amplitude
B
distance traveled / time
C
distance traveled / amplitude
D
number of wavelengths / time

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Pretest Answers — Physical Science