
Understanding Sound Waves
Authored by Rita Taylor
English
7th Grade
CCSS covered
Used 3+ times

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9 questions
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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
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
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.
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