KS3 Unit 8l – Sound and Hearing 1© NTScience.co.uk 2005
Sound
KS3 Unit 8l – Sound and Hearing 2© NTScience.co.uk 2005
Q1. What form of energy transfer is
detected by the ear?
KS3 Unit 8l – Sound and Hearing 3© NTScience.co.uk 2005
A1. Sound
KS3 Unit 8l – Sound and Hearing 4© NTScience.co.uk 2005
Q2. Name a musical instrument that has a
tightly stretched membrane
KS3 Unit 8l – Sound and Hearing 5© NTScience.co.uk 2005
A2. A drum
KS3 Unit 8l – Sound and Hearing 6© NTScience.co.uk 2005
Q3. Which family of musical instruments are
struck or hit?
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A3. Percussion instruments
KS3 Unit 8l – Sound and Hearing 8© NTScience.co.uk 2005
Q4. Give another word for the loudness of a
sound
KS3 Unit 8l – Sound and Hearing 9© NTScience.co.uk 2005
A4. Volume
KS3 Unit 8l – Sound and Hearing 10© NTScience.co.uk 2005
Q5. What type of musical instruments are the violin, guitar, viola
and double bass?
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A5. Stringed instruments
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Q6. What is the unit of sound loudness?
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A6. Decibel
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Q7. Name a device that converts sound energy
to electrical energy.
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A7. A microphone
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Q8. Name a device that converts electrical
energy to sound energy.
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A8. Loudspeaker
buzzer
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Q9. What do we call a reflected sound?
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A9. An echo
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Q10. What determines the pitch of a sound, (how many complete
waves there are every second)?
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A10. The frequency
KS3 Unit 8l – Sound and Hearing 22© NTScience.co.uk 2005
Q11. What do we call the height of a wave - half the peak to peak
value?
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A11. The amplitude
KS3 Unit 8l – Sound and Hearing 24© NTScience.co.uk 2005
Q12. What do we call the time interval
between one wave peak and the next?
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A12. The period
KS3 Unit 8l – Sound and Hearing 26© NTScience.co.uk 2005
Q13. What does an object do to emit a
sound?
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A13. Vibrate
KS3 Unit 8l – Sound and Hearing 28© NTScience.co.uk 2005
Well Done!Now check your score