AnswersFL-2003310-Physical Science CRLab: Thermal Energy Transfer

Sound Waves Answers

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Why do waves move faster at higher temperatures and in a solid phase?

A
There is more energy and the particles are farther apart.
B
There is less energy and the particles are closer together.
C
There is less energy and the particles are farther apart.
D
There is more energy and the particles are closer together.
2
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Yulia observed a sound wave moving through a solid medium at four different temperatures, and she recorded observations about each one in the chart.

Question illustration
A
Wave X → Wave Y → Wave W → Wave Z
B
Wave Z → Wave W → Wave Y → Wave X
C
Wave X → Wave W → Wave Y → Wave Z
D
Wave Z → Wave Y → Wave W → Wave X
3

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

A
a drill laying on its side
B
a nail stuck into a piece of wood
C
a hammer hitting a metal cup
D
a wrench locked in place around a bolt
4

A wave is traveling through X. What can be known about X?

A
It is empty space.
B
It is any medium.
C
It is a solid.
D
It is a liquid.
5

A high amplitude sound wave can best be compared to a

A
short hill.
B
tall hill.
C
tightly coiled spring.
D
stretched-out spring.
6

Allison wants to calculate the speed of a sound wave.

A
distance traveled / amplitude
B
number of wavelengths / amplitude
C
number of wavelengths / time
D
distance traveled / time
7

A student takes notes in class.Sound Waves I. Created by a vibration A. Vibration: something that causes air molecules to moveback and forth quickly and steadily II. Move through a medium A. Solid B. Liquid C. Gas

A
I
B
I A
C
II B
D
II C
8

Waves move fastest in

A
low-temperature gases.
B
low-temperature solids.
C
high-temperature gases.
D
high-temperature solids.
9

Which best describes vibration?

A
the distance traveled per unit in time
B
the action of moving back and forth quickly and steadily
C
the distance between one compression and the compression next to it
D
the action of moving through a material or substance
10

In which part of the wave are the particles of the medium closer together?

A
rarefactions
B
compressions
C
solids
D
liquids

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Sound Waves Answers — FL-2003310-Physical…