chapter 1

Question 1

Sound happens when an object vibrates (moves back and forth quickly).

Answer 1

What is sound?

Question 2

Is the distance between the high point of one wave to the high point of the next wave

Answer 2

wavelength

Question 3

The number of high points per second is called?

Answer 3

Frequency

Question 4

In music, we hear what happens at different
frequencies. The pitch of a note—how high or
low it sounds—depends on the frequency of
the sound waves. The higher the frequency,
the higher the pitch; the lower the frequency,
the lower the pitch.

Answer 4

Pitch