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