Twa kɔ nsɛm atitiriw so
Log in
Sign up for FREE
arrow_back
Laabri

Chapter 21 Test

star
star
star
star
star
Last updated over 5 years ago
50 Nsɛmmisa

MULTIPLE CHOICE

-Choose the correct answer by clicking on your answer choice. Only one answer is correct. (2 pts. each)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

COMPLETION

-Complete the following questions by selecting the correct answer from the word bank. Misspelled words will be marked as incorrect. Some answers may be used more than once, others may not be used at all. (2 pts. each)

Word Bank

echolocation sound quality loudness resonance Doppler effect pitch ultrasonic pinna decibel standing wave oscilloscope noise sonar amplitude wavelength frequency echoes

2

Word Bank

echolocation sound quality loudness resonance Doppler effect pitch ultrasonic pinna decibel standing wave oscilloscope noise sonar amplitude wavelength frequency echoes

2

Word Bank

echolocation sound quality loudness resonance Doppler effect pitch ultrasonic pinna decibel standing wave oscilloscope noise sonar amplitude wavelength frequency echoes

2

Word Bank

echolocation sound quality loudness resonance Doppler effect pitch ultrasonic pinna decibel standing wave oscilloscope noise sonar amplitude wavelength frequency echoes

2

Word Bank

echolocation sound quality loudness resonance Doppler effect pitch ultrasonic pinna decibel standing wave oscilloscope noise sonar amplitude wavelength frequency echoes

2

Word Bank

echolocation sound quality loudness resonance Doppler effect pitch ultrasonic pinna decibel standing wave oscilloscope noise sonar amplitude wavelength frequency echoes

2

Word Bank

echolocation sound quality loudness resonance Doppler effect pitch ultrasonic pinna decibel standing wave oscilloscope noise sonar amplitude wavelength frequency echoes

2

Word Bank

echolocation sound quality loudness resonance Doppler effect pitch ultrasonic pinna decibel standing wave oscilloscope noise sonar amplitude wavelength frequency echoes

2

Word Bank

echolocation sound quality loudness resonance Doppler effect pitch ultrasonic pinna decibel standing wave oscilloscope noise sonar amplitude wavelength frequency echoes

2

Word Bank

echolocation sound quality loudness resonance Doppler effect pitch ultrasonic pinna decibel standing wave oscilloscope noise sonar amplitude wavelength frequency echoes

2

Word Bank

echolocation sound quality loudness resonance Doppler effect pitch ultrasonic pinna decibel standing wave oscilloscope noise sonar amplitude wavelength frequency echoes

2

Word Bank

echolocation sound quality loudness resonance Doppler effect pitch ultrasonic pinna decibel standing wave oscilloscope noise sonar amplitude wavelength frequency echoes

2

Word Bank

echolocation sound quality loudness resonance Doppler effect pitch ultrasonic pinna decibel standing wave oscilloscope noise sonar amplitude wavelength frequency echoes

2

Word Bank

echolocation sound quality loudness resonance Doppler effect pitch ultrasonic pinna decibel standing wave oscilloscope noise sonar amplitude wavelength frequency echoes

2

Word Bank

echolocation sound quality loudness resonance Doppler effect pitch ultrasonic pinna decibel standing wave oscilloscope noise sonar amplitude wavelength frequency echoes

2

MATCHING

-Complete the following matching questions by clicking on the correct answer. Only one answer is correct. (2 pts. each)

2
2
2
2
2
2
2
2
2
2

Do NOT forget to turn in this assignment on Google Classroom after you have submitted it here! No credit will be awarded for unsubmitted assignments.

Asemmisa {{asɛmmisaAhyɛnsode}}
1.

Sound is created by

Asemmisa {{asɛmmisaAhyɛnsode}}
2.

A substance through which a wave can travel is a

Asemmisa {{asɛmmisaAhyɛnsode}}
3.

Which of the following is NOT a medium?

Asemmisa {{asɛmmisaAhyɛnsode}}
4.

What can a violinist do if one string is producing a sound that is too low?

Asemmisa {{asɛmmisaAhyɛnsode}}
5.

What produces a noise?

Asemmisa {{asɛmmisaAhyɛnsode}}
6.

The blending of pitches through interference produces an instrument's

Asemmisa {{asɛmmisaAhyɛnsode}}
7.

The amplitude of a sound's waves determines the sound's

Asemmisa {{asɛmmisaAhyɛnsode}}
8.

Sounds with frequencies higher than 20,000 Hz

Asemmisa {{asɛmmisaAhyɛnsode}}
9.

The motion of either the listener or the source of a sound causes

Asemmisa {{asɛmmisaAhyɛnsode}}
10.

Which statement about sound is NOT true?

Asemmisa {{asɛmmisaAhyɛnsode}}
11.

The medium through which sound waves travel affects the

Asemmisa {{asɛmmisaAhyɛnsode}}
12.

Which statement about sound is true?

Asemmisa {{asɛmmisaAhyɛnsode}}
13.

Sound waves are best reflected off which surfaces?

Asemmisa {{asɛmmisaAhyɛnsode}}
14.

The speed of a sound depends on

Asemmisa {{asɛmmisaAhyɛnsode}}
15.

For a sound wave to produce an echo, it must

Asemmisa {{asɛmmisaAhyɛnsode}}
16.

A sonic boom is experienced when

Asemmisa {{asɛmmisaAhyɛnsode}}
17.

What does the mixing of pitches through interference produce?

Asemmisa {{asɛmmisaAhyɛnsode}}
18.

What does the amplitude of a sound's waves affect?

Asemmisa {{asɛmmisaAhyɛnsode}}
19.

Which statement about sound waves is true?

Asemmisa {{asɛmmisaAhyɛnsode}}
20.

Which surface is the best reflector of sound?

Asemmisa {{asɛmmisaAhyɛnsode}}
21.

Which of the following represents the correct sequence of events?

Asemmisa {{asɛmmisaAhyɛnsode}}
22.

Karizma's ukulele is playing out of tune. Most of the notes are too low. What should she do?

Asemmisa {{asɛmmisaAhyɛnsode}}
23.

Which of the following people is most likely to suffer from tinnitus?

Asemmisa {{asɛmmisaAhyɛnsode}}
24.

Which sound has air particles that vibrate across the greatest distance?

Asemmisa {{asɛmmisaAhyɛnsode}}
25.

Which of the following could NOT be considered a percussion instrument?

Asemmisa {{asɛmmisaAhyɛnsode}}
26.

An instrument's ____________ comes from the blending of pitches through interference.

Asemmisa {{asɛmmisaAhyɛnsode}}
27.

The amplitude of a sound's waves determines it's ______________.

Asemmisa {{asɛmmisaAhyɛnsode}}
28.

The motion of either the listener or the source of the sound causes the _______________.

Asemmisa {{asɛmmisaAhyɛnsode}}
29.

The frequency of the sound wave determines its _____________.

Asemmisa {{asɛmmisaAhyɛnsode}}
30.

Sound is directed to the ear canal by the ___________.

Asemmisa {{asɛmmisaAhyɛnsode}}
31.

The unit for measuring the loudness of sound is the ____________.

Asemmisa {{asɛmmisaAhyɛnsode}}
32.

A sound with a random mixture of frequencies is _____________.

Asemmisa {{asɛmmisaAhyɛnsode}}
33.

Electronic echolocation or ______________ is used to find things underwater.

Asemmisa {{asɛmmisaAhyɛnsode}}
34.

Part of a(n) ___________ have a large amplitude due to interference.

Asemmisa {{asɛmmisaAhyɛnsode}}
35.

A graph of sound can be made with a(n) _______________.

Asemmisa {{asɛmmisaAhyɛnsode}}
36.

An object vibrating at a certain frequency causes a second object to vibrate. This is called _______________.

Asemmisa {{asɛmmisaAhyɛnsode}}
37.

The distance between two succesive crests of a sound wave is called the _______________.

Asemmisa {{asɛmmisaAhyɛnsode}}
38.

The height of the sound wave is it's________________.

Asemmisa {{asɛmmisaAhyɛnsode}}
39.

Reflected sound waves are ___________.

Asemmisa {{asɛmmisaAhyɛnsode}}
40.

The ___________ of a sound wave is the number of times a wave crest passes a certain point each second.

Asemmisa {{asɛmmisaAhyɛnsode}}
41.

Vibrates when struck.

Asemmisa {{asɛmmisaAhyɛnsode}}
42.

Vibration causes standing waves inside its air column.

Asemmisa {{asɛmmisaAhyɛnsode}}
43.

The use of reflected sound waves to find food or other objects.

Asemmisa {{asɛmmisaAhyɛnsode}}
44.

Occurs when two instruments play the same note.

Asemmisa {{asɛmmisaAhyɛnsode}}
45.

The sound produced by one object causes another object to vibrate.

Asemmisa {{asɛmmisaAhyɛnsode}}
46.

A longitudinal wave caused by vibrations and carried through a medium.

Asemmisa {{asɛmmisaAhyɛnsode}}
47.

A pattern of vibration that looks like a wave is at rest.

Asemmisa {{asɛmmisaAhyɛnsode}}
48.

A unit for measuring loudness.

Asemmisa {{asɛmmisaAhyɛnsode}}
49.

This results from long term exposure to loud sounds.

Asemmisa {{asɛmmisaAhyɛnsode}}
50.

Frequencies that are two or more times the fundamental frequency.