Page 23 - FOUNDATIONS FOR LIFE; EXPLORING GOD’S UNIVERSE
P. 23
Name __________
TEST ON SOUND
1. How are sounds formed? _____________________________________________________________
____________________________________________________________________________________
(1 mark)
2. Does sound travel faster through air or through water? ___________________ (1 mark)
3. Label five parts of the human ear.
(5 marks)
4. How does the ear-drum work? __________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
(1 mark)
5. Sounds travel in _ _ _ _ _ (1 mark)
6. We measure sound in __________________ (1 mark)
7. What do we mean by ‘noise pollution’?___________________________________________________
_____________________________________________________________________________________
(1 mark)
8. How can we reduce noise in our homes? _________________________________________________
_____________________________________________________________________________________
(1 mark)
9. Describe how you made a musical instrument. ________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
(2 marks)
10. Light travels slower than sound. True or false? ___________________________ (1 mark)
Total marks = 15
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