Sound
Crossword
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
Check
Across:
3.
Sound with frequency higher than that detected by the human ear
4.
Unit of frequency
5.
Reflection of sound waves
Down:
1.
Medium through which sound cannot travel
2.
Distance between crests of consecutive waves
OK