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WorksheetsSound 2
Total questions: 15
Worksheet time: 8mins
What is a transducer?
Something that converts sound energy to electrical enery
Something that measures sound energy
Something that increases the speed of sound
Something that converts water energy to sound energy
What is NOT an example of a sound transducer?
Microphone
Speaker
TV remote
Earphones
What does the picture show?
Echolocation
Ultrasound
Radar
Transducer
Which animal makes ultrasonic sounds?
Elephant
Whale
Mouse
Rhino
Which animal makes infrasonic sounds?
Dolphins
Bats
Elephant
Moths
Which animal can hear through their feet?
Elephants
Bats
Giraffes
Dolphins
What part of the ear does the diagram show?
The outer ear
The middle ear
The inner ear
What part of the ear makes vibrations?
The ear canal
The eardrum
The ear lobe
The auditory nerves
What happens if you get lots of ear damage?
Deaf
Blind
Mute
What do we call sounds that are greater than humans can hear? E.g. sounds above 20,000Hz
Infrasonic sounds
Ultrasonic sounds
What do humans use ultrasound scans for?
To make a picture of the inside the human body
To find animals in the wild
To understand the human ear
To make echoes
Through which medium does sound move the fastest?
Solid
Liquid
Gas
Sound cannot travel through outer space.
True
False
What does the picture show?
Sonar
Radar
Ultrasound
Sound waves
What frequency can humans hear?
20 - 20,000Hz
2 - 20Hz
200 - 2,000Hz
Over 2 million Hz
