AnswersPhysical ScienceIntroduction to Waves

Introduction to Waves — Quiz Answers

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Which kind of wave would be observed in outer space between planets, where there is very little matter?

A
a mechanical wave, such as an x-ray
B
an electromagnetic wave, such as an x-ray
C
a mechanical wave, such as a sound wave
D
an electromagnetic wave, such as a sound wave
2
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Jenny is trying to describe a wave. Which example would be the best description?

A
two toy cars driving away from each other at the same speed
B
a toy car hitting a wall and bouncing back
C
a toy car rear-ending a toy car that then rear-ends another toy car
D
two toy cars driving parallel to each other at the same speed
3

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 knocking down a building.
D
A wave is like water rippling in a pond.
4

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.
5

Which is a characteristic of all waves?

A
All waves move through matter, from particle to particle.
B
All waves carry energy.
C
All waves move through space.
D
All waves transfer energy perpendicular to the direction of wave motion.
6

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
an earthquake shock wave
B
an ocean wave
C
a gamma ray
D
a sound wave
7

Which game most represents a wave?

A
tipping over dominoes
B
poker
C
tic-tac-toe
D
hide and seek
8

Brody and Ethel are arguing about waves. Brody says that waving his hand back and forth is a scientific wave. Ethel says that it is not. Which statement best describes who is correct?

A
Brody is correct because the pattern repeats.
B
Ethel is correct because energy is not carried from one place to another.
C
Brody is correct because the wave involves an input of energy.
D
Ethel is correct because the motion has no pattern.
9

A scientist is studying a shock wave from an earthquake. What kind of wave is being studied?

A
a gamma ray
B
an electromagnetic wave
C
a mechanical wave
D
a radio wave
10

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

A
crest
B
wave
C
motion
D
trough

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