Question

1. Sound waves are created by a ___________ of an object.
2. Sound waves do NOT travel in __________because there is no matter for the sound waves to travel through. 3. When a girl sings a very high note, _______________ of her voice is very high.
4. When the sound is too loud, (over 80 decibels) it can cause damaged to ____________.
5. When the jet travels faster than the speed of the sound it passes the sound ____________.

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Answer 1

1. Sound waves are created by a balloon popping of a object.

2. Sound waves do not travel in an vacuum because there is no matter for a sound waves to travel through.

3. When a girl sings a very high note, because of her voice is very high.

4. Whenthe sound is too loud, (over 80 decibels) it can cause damaged to ears.

5. When the jet travel faster than the speed of the sound passes the sound sonic boom.

Hope it's helpful!!