Sign up for FREE

Sound Waves CFA cloned 12/12/2021

Last updated over 4 years ago

13 questions

Note from the author:

Instructions

8

8

8

8

8

8

8

8

8

8

8

Sound Waves CFA

Choose the best answer for the following questions

Question 1

1.

Question 2

2.

Question 3

3.

Question 4

4.

Question 5

5.

Question 6

6.

Question 7

7.

Question 8

8.

Question 9

9.

Question 10

10.

Question 11

11.

6

6

Longitudinal waves that are caused by vibrations and travel through a medium are called ______________. 

amplitude

hertz

pitch

sound wave

decibel

The complete back and forth motion of an object is called a _______________. 

absorbed

vibration

reflection

ecolocation

refracted

A ______________ is a substance through which a wave can travel. 

vibration

medium

frequency

sound

The unit used to measure how loud or soft a sound is called. 

amplitude

hertz

pitch

decibel

sound

__________________ is created by vibrating molecules through a medium. 

vibration

medium

frequency

sound

The unit uded to measure frequency is called ______________. 

amplitude

hertz

pitch

decibel

sound 

______________ is a measure of how well a sound can be heard. 

vibration

medium

frequency

sound

loudness

The larger the _____________, the louder the sound. 

amplitude

hertz

pitch

decibel

sound wave

______________ is a measure of how high or low a sound is perceived to be. 

amplitude

hertz

pitch

sound wave

decibel

Softer surfaces reflect __________ sound, than harder surfaces. 

more

less

Harder surfaces reflect _______________ sound, than softer surfaces. 

more

less

Question 12

12.

Question 13

13.

What part of the ear shown is # 3

pinna

ear canal

ear drum

cochlea

auditory nerve

What part of the ear shown is # 1

Pinna

ear canal

ear drum

cochlea

auditory nerve