All About Sound
Sound is a form of ____________ energy.
thermal
radiant
electrical
mechanical
4. Mechanical
True or False?
Sound is a form of thermal energy.
False- Sound is a form of mechanical energy.
Sound travels slowest through which medium?
Gas
Mrs. Diaz is playing guitar. _____ explains how high or low the guitar sounds.
Vibration
Compression
Pitch
Medium
Pitch
Musical instruments use _______ to produce sound.
compressions
vibrations
pitch
music
Vibrations
Sounds make particles __________.
change shape
vibrate
stop moving
magnetic
2. vibrate
True or False?
Sound is the transfer of energy.
True
Sound travels the fastest through which medium?
Solids
Objects vibrating rapidly have a _______ pitch than objects vibrating more slowly
higher
When a guitar string is plucked, sound is produced by ________
the vibrations of the string.
How does sound travel?
in waves, in compression waves
True or False?
Sound cannot travel through all forms of matter.
False
Which of the following objects would sound travel through the slowest?
Hardcover Book
Bucket of water
Classroom Countertop
Glass cup
Bucket of Water
Objects that vibrate _____________ have a lower pitch.
slower
How does a flute or a clarinet produce sound?
a vibrating column of air inside the instrument
Which of the following statements describe sound? Select all that apply.
Sound travels in compression waves.
Sound travels in transverse waves.
Sound cannot exist without vibrations.
Sound can only travel through liquids and gases.
1 and 3
True or False?
Sounds travels in only in straight lines.
Falso, it travels in waves
Sound will travel faster when particles are _________.
closer together
still
furthest apart
huge
close together
When objects vibrate at different speeds, this is called...
pitch
Mrs. Oriole plays the guitar. She tightens the guitar strings to make them vibrate faster. What will happen to the pitch of his guitar after she tightens the strings?
The pitch stays the same.
The pitch gets lower.
The pitch gets higher.
The pitch gets higher.
Julius learned that light does not need a medium to travel through. Is this true for sound waves?
No, sound waves need a medium in order to travel.
Dr. Marshall read that the faster an object vibrates, the higher the pitch it will have.
Is this true or false?
True
Mrs. Brantley is conducting an experiment. She wants to pick objects that sound can move the fastest through. Which of the following objects should she choose? Select all that apply.
Tree Branch
Pool
Computer
Tree Branch
Computer
How does moving farther away from the source of a sound affect the way you hear the sound?
The sound becomes lower
How would a drum produce sound?
hitting
strumming strings
blowing air
hitting it