Understanding Sound Waves

Understanding Sound Waves

7th Grade

9 Qs

quiz-placeholder

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Understanding Sound Waves

Understanding Sound Waves

Assessment

Interactive Video

English

7th Grade

Easy

Created by

Rita Taylor

Used 2+ times

FREE Resource

9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What initiates the movement of molecules in a medium to produce sound?

Gravity pulling on the objects

Electrical impulses

Force from a vibrating object

Heat from the sun

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What unit is used to measure the frequency of sound?

Watts

Newton

Hertz

Decibels

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which range of sound frequencies can typically be heard by humans?

20 to 20,000 Hertz

10 to 10,000 Hertz

5 to 25,000 Hertz

15 to 15,000 Hertz

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the amplitude of a sound wave determine?

Weight

Color

Length

Loudness

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Up to what sound level in decibels can a person with normal hearing tolerate?

100 decibels

110 decibels

120 decibels

130 decibels

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

Which sound wave has high frequency?

sound wave 1

sound wave 2

sound wave 3

sound wave 4

Answer explanation

The sound wave with high frequency is sound wave 4.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

When a sound is louder what measurement gets bigger?

Frequency 

Amplitude 

Wavelength 

Crest

Answer explanation

When a sound is louder, the measurement that gets bigger is the Amplitude. Amplitude is the measure of the strength or intensity of a sound wave.

8.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The measure of how high or low a sound is:

the intensity

the size of the wavelength

how loud or soft a sound is

the frequency

Answer explanation

The measure of how high or low a sound is determined by its frequency, not by the intensity, size of the wavelength, or how loud or soft it is.

9.

DROPDOWN QUESTION

30 sec • 1 pt

Media Image

The amplitude is represented by letter ​​ ​ (a)  

A
C
D
E
F
B