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WorksheetsSound (Revision) 1
Total questions: 24
Worksheet time: 12mins
What determines the loudness or softness of a sound?
Frequency
volume
Pitch
What makes a sound louder?
Bigger vibrations
Smaller vibrations
slower vibrations
What is the unit for measuring sound?
Hertz (Hz)
Decibels (dB)
Meters
What sound level can damage your ears?
Less than 50 dB
More than 85 dB
Exactly 60 dB
Which device is used to measure the volume of sounds?
Thermometer
Sound level meter
Microphone
What is an example of a sound insulator?
Steel
Iron
Wool
Which is a way to muffle sound?
Increase vibrations
Wear ear defenders
Stand closer to the sound source
What is the pitch of a sound?
The loudness of the sound
The speed of the sound
How high or low the sound is
What determines the pitch of a sound?
Frequency
Volume
Decibels
Fast vibrations create sounds that are:
Low-pitched
High-pitched
Loud
The number of vibrations in one second is called:
Volume
Frequency
Pitch
Frequency is measured in:
Decibels (dB)
Hertz (Hz)
Meters
A sound with a frequency of 100 vibrations per second has a frequency of:
100 Hz
10 dB
50 Hz
Which of the following is a string instrument?
Drum
Guitar
Flute
What affects the pitch of a string instrument?
The speed of sound
The length and thickness of the string
The material of the body
What happens to the pitch when a guitar string is tightened?
The pitch decreases
The pitch increases
The pitch stays the same
Thicker strings produce sounds that are:
Higher-pitched
Louder
Lower-pitched
What part of the guitar is used to adjust string tension?
Frets
Pegs
Body
What is an unpleasant sound called?
Music
Noise
Echo
Which material can muffle sound?
Paper
Metal
Glass
Which of the following reduces noise in a room?
Adding curtains and carpets
Using metal furniture
Removing windows
Which method can help reduce noise from vehicles?
Using silencers
Increasing engine speed
Removing the muffler
What kind of window reduces noise levels in a room?
Frosted glass
Double-glazed
Single-glazed
Why should you avoid standing too close to a rock concert?
To hear the music better
To avoid crowding
To protect your ears from loud sounds
