AnswersDL Physical Science A switched content 2023Unit Test

Introduction to Waves Answers

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1
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Jenny is trying to describe a wave. Which example would be the best description?

A
a toy car hitting a wall and bouncing back
B
a toy car rear-ending a toy car that then rear-ends another toy car
C
two toy cars driving parallel to each other at the same speed
D
two toy cars driving away from each other at the same speed
2
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Which is the best analogy of a wave?

A
A wave is like building a ramp.
B
A wave is like shaking a hand.
C
A wave is like water rippling in a pond.
D
A wave is like knocking down a building.
3

Venn diagrams are used for comparing and contrasting topics. The overlapping sections show characteristics that the topics have in common, and the sections that are unique to each topic show the characteristics that apply to only that topic. This Venn diagram is comparing mechanical and electromagnetic waves.

Question illustration
A
“Carry energy through space” and “Follow a pattern”
B
“Carry energy” and “Follow a pattern”
C
“Carry energy through space” and “Can be heard”
D
“Carry energy” and “Can be heard”
4

Which refers to any disturbance that carries energy from one place to another?

A
wave
B
trough
C
motion
D
crest
5

Natalia is studying a wave produced in her magnetics lab. This wave can move through the empty space in a vacuum and carries a lot of energy.What wave is Natalia most likely studying?

A
a sound wave
B
an ocean wave
C
a gamma ray
D
an earthquake shock wave
6

Which game most represents a wave?

A
hide and seek
B
tic-tac-toe
C
poker
D
tipping over dominoes
7

What is the motion of the particles in this kind of wave?

Question illustration
A
The particles will move up and down over large areas.
B
The particles will move up and down over small areas.
C
The particles will move side to side over small areas.
D
The particles will move side to side over large areas.
8

What do sound waves and infrared waves have in common, and what makes them different?

A
Both carry energy through space, but sound waves are mechanical and infrared waves are electromagnetic.
B
Both can transfer energy through matter, but sound waves travel through air and infrared waves travel through space.
C
Both can transfer energy through matter, but sound waves can be heard and infrared waves can be seen.
D
Both carry energy through space, but sound waves require matter to pass through and infrared waves do not.
9

Augie created this chart about the two kinds of waves.Which best labels the chart?

Question illustration
A
Title 1 is “Longitudinal Waves,” and Title 2 is “Transverse Waves.”
B
Title 1 is “Transverse Waves,” and Title 2 is “Longitudinal Waves.”
C
Title 1 is “Electromagnetic Waves,” and Title 2 is “Mechanical Waves.”
D
Title 1 is “Mechanical Waves,” and Title 2 is “Electromagnetic Waves.”
10

Which statement applies to transverse waves?

A
The waves have a trough.
B
Particles move great distances.
C
The waves have alternating compressions and expansions.
D
The energy is transferred parallel to the direction of the wave motion.

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