The singing string!

Pluck it and it shivers and sings. What makes its song go high or low?

2

Pluck a string and it wiggles side to side.

3

Fast wiggles sing HIGH. Slow wiggles sing LOW.

fast = high slow = low
4

Tap the string to pluck it and watch it shiver!

Tap the string — give it a twang!

5

Now we pull the string tight. Will its song go HIGH or LOW?

Tap your guess!