Sound
Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
1
2
3
4
5
6
7
8
Check
Across:
3.
unit of frequency is
4.
one of the disorders caused by noise
6.
maximum displacement from mean position
8.
one of the cause of noise pollution
Down:
1.
shrillness
2.
vibrating string
5.
reduces noise pollution
7.
medium in which sound cannot travel
OK