1. © NTScience.co.uk 2005KS3 Unit 8l – Sound and Hearing1 Sound

2. © NTScience.co.uk 2005KS3 Unit 8l – Sound and Hearing2 Q1. What form of energy transfer is detected by the ear?

3. © NTScience.co.uk 2005KS3 Unit 8l – Sound and Hearing3 A1. Sound

4. © NTScience.co.uk 2005KS3 Unit 8l – Sound and Hearing4 Q2. Name a musical instrument that has a tightly stretched membrane

5. © NTScience.co.uk 2005KS3 Unit 8l – Sound and Hearing5 A2. A drum

6. © NTScience.co.uk 2005KS3 Unit 8l – Sound and Hearing6 Q3. Which family of musical instruments are struck or hit?

7. © NTScience.co.uk 2005KS3 Unit 8l – Sound and Hearing7 A3. Percussion instruments

8. © NTScience.co.uk 2005KS3 Unit 8l – Sound and Hearing8 Q4. Give another word for the loudness of a sound

9. © NTScience.co.uk 2005KS3 Unit 8l – Sound and Hearing9 A4. Volume

10. © NTScience.co.uk 2005KS3 Unit 8l – Sound and Hearing10 Q5. What type of musical instruments are the violin, guitar, viola and double bass?

11. © NTScience.co.uk 2005KS3 Unit 8l – Sound and Hearing11 A5. Stringed instruments

12. © NTScience.co.uk 2005KS3 Unit 8l – Sound and Hearing12 Q6. What is the unit of sound loudness?

13. © NTScience.co.uk 2005KS3 Unit 8l – Sound and Hearing13 A6. Decibel

14. © NTScience.co.uk 2005KS3 Unit 8l – Sound and Hearing14 Q7. Name a device that converts sound energy to electrical energy.

15. © NTScience.co.uk 2005KS3 Unit 8l – Sound and Hearing15 A7. A microphone

16. © NTScience.co.uk 2005KS3 Unit 8l – Sound and Hearing16 Q8. Name a device that converts electrical energy to sound energy.

17. © NTScience.co.uk 2005KS3 Unit 8l – Sound and Hearing17 A8. Loudspeaker buzzer

18. © NTScience.co.uk 2005KS3 Unit 8l – Sound and Hearing18 Q9. What do we call a reflected sound?

19. © NTScience.co.uk 2005KS3 Unit 8l – Sound and Hearing19 A9. An echo

20. © NTScience.co.uk 2005KS3 Unit 8l – Sound and Hearing20 Q10. What determines the pitch of a sound, (how many complete waves there are every second)?

21. © NTScience.co.uk 2005KS3 Unit 8l – Sound and Hearing21 A10. The frequency

22. © NTScience.co.uk 2005KS3 Unit 8l – Sound and Hearing22 Q11. What do we call the height of a wave - half the peak to peak value?

23. © NTScience.co.uk 2005KS3 Unit 8l – Sound and Hearing23 A11. The amplitude

24. © NTScience.co.uk 2005KS3 Unit 8l – Sound and Hearing24 Q12. What do we call the time interval between one wave peak and the next?

25. © NTScience.co.uk 2005KS3 Unit 8l – Sound and Hearing25 A12. The period

26. © NTScience.co.uk 2005KS3 Unit 8l – Sound and Hearing26 Q13. What does an object do to emit a sound?

27. © NTScience.co.uk 2005KS3 Unit 8l – Sound and Hearing27 A13. Vibrate

28. © NTScience.co.uk 2005KS3 Unit 8l – Sound and Hearing28 Well Done! Now check your score