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Sound
Sound
23 terms
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StudBud Administration
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1,854 plays
Review what you know about sound!
Flashcards
23 cards
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Practice quiz
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Questions
23
Answers
1
How could you make a musical instrument’s pitch sound higher?
Play it louder so the sound waves travel farther.
Play it softer so the sound waves do not travel as far.
Increase the frequency of the sound waves it produces.
Decrease the frequency of the sound waves it produces.
2
In which order must the bottles be placed to produce sounds from lowest to highest pitch?
C, D, A, B
B, A, D, C
A, B, C, D
D, A, B, C
3
If people were molecules, sound would travel faster in picture -
A. Tightly packed molecules transmit sound more efficiently.
B. Separated molecules transmit sound more efficiently.
B. Tightly packed molecules transmit sound more efficiently.
A. Separated molecules transmit sound more efficiently.
4
How is the use of soundwaves helpful to this whale?
It makes the water warmer
It helps the whale locate its food
It makes it easier to obtain oxygen
It signals the fish to move out of the whale's path
5
Sound travels fastest through matter that is -
Liquid
Solid
Gas
6
Which of the following are not likely to use echolocation?
whales
bats
dolphins
humans
7
As the length of the ruler hanging over the table's edge
increases
the -
slower the vibrations and the lower the pitch
slower the vibrations and the higher the pitch
faster the vibrations and the higher the pitch
faster the vibrations and the lower the pitch
8
In the pan pipe above, which numbered pipe would have the lowest pitch and why?
Pipe 8 has the lowest pitch; it has the least vibrations
Pipe 8 has the lowest pitch; it has the most vibrations
Pipe 1 has the lowest pitch; it has the least vibrations
Pipe 1 has the lowest pitch; it has the most vibrations
9
Which animal is able to produce and hear sounds with the lowest frequency?
A
D
C
B
10
Sound is a mechanical energy that is transmitted in the form of
Light
Heat
Waves
Electrons
11
The greater the frequency of a sound wave, the -
louder the sound
softer the sound
higher the pitch
lower the pitch
12
This letter represents the measure of the frequency of these compression waves.
B
A
D
C
13
If the frequency of sound waves decreases, then the pitch becomes -
quieter
lower
higher
louder
14
Which straw will make the highest pitch?
C
B
D
A
15
Woodwind, string, percussion, and brass are different kinds of musical instruments. They are -
played by producing vibrations
played by blowing into a part
made completely out of wood
made completely out of metal
16
All the following demonstrate sound except a -
spaceship roaring in outer space
boy putting his ear down on a railroad track
student blowing into a trumpet
girl holding a jar to a wall
17
Which letter represents a complete wavelength?
C
A
B
D
18
What is the relationship between frequency and pitch?
When the frequency is higher, the pitch is higher.
When the frequency is higher, the pitch is lower.
Frequency has no effect on pitch.
When the frequency is lower, the pitch is higher.
19
It is inaccurate for movies to attach sound to spaceships travelling in space because -
Frequency of any sound becomes too high for humans to hear
Sound waves would spread out so that they couldn’t be heard
Sound waves travel where there is matter to transmit them
20
What conclusions can you draw about sound waves passing through the shown chambers?
Sound waves pass faster through chamber 2 than chamber 1.
Sound waves pass faster through chamber 1 than chamber 2.
Sound waves are unable to pass through the two chambers.
Sound waves pass through the two chambers at the same speed.
21
Which letter represents compression?
A
D
C
B
22
Which letter represents rarefaction?
A
D
B
C
23
The following are examples of factors that affect the pitch of a vibrating object
except
–
the length of a tube when someone blows into it
how tight a rubber band is when someone plucks it
the amount of water a bottle has in it when someone taps it
how shiny a bell is when someone rings it
