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15 questions
_______________ is made by vibrations
wave
sound
How high or low a sound is
pitch
sound
volume
acoustics
How loud or soft the sound is
Pitch
Wavelength
Acoustics
Volume
Sound waves travel slowest through a _____
solid
liquid
gas
Sound waves travel fastest through a ______
Solid
Liquid
Gas
Sound waves move faster when the medium is ______
Warm
Cold
Sound waves move slower when the medium is _____
Warm
Cold
What is a tool that makes sounds louder called?
Pitch
Outer ear
Wavelength
Amplifier
Our __________ vibrates when we talk and sing
Vocal cord
Head
Leg
Human's, __________ and thunder are examples of natural sources of sound
Vehicles
trumpets
animals
________ need to be blown to produce sound
Vehicles
Cymbals
Trumpets
Unwanted sound is called ___________
Noise
Trumpets
Vibration
Why can't we hear sound in space?
Can't take our helmet off to hear
Because it's dark
Space has no mass/ no gas/ solids/ liquids
Don't know, i've never been to space
What happens to our hearing if we listen to loud noises all the time?
We appreciate music better
We start to experience hearing loss
We get a ringing in our ears
How can we protect our ears from hearing loss?
Wear ear plugs
Try not to listen to loud things
Put our fingers in our ears
All of the above
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