test1

1
Steps
2
Sound

• The sound we hear is created by vibrating air.

3
Sound

• The sound we hear is created by vibrating air.

4
Sound

• The sound we hear is created by vibrating air.

5
Sound

• The sound we hear is created by vibrating air.

6
Sound

• The sound we hear is created by vibrating air.

7
Music

• Music is created by various tones.

8
Music

• Music is created by various tones.

9
Steps
C
D
E
F
G
A
B
C
10
Steps
C
C
D
E
F
G
A
B
C
11
Steps
F
G
C
D
E
F
G
A
B
C
12
Steps
C
D
E
F
G
A
B
C
13
Steps
C
D
E
F
G
A
B
C