Compare Waves

Guitar strings make waves when they are plucked. Watch this video of someone playing a guitar. You will see a close-up view of the strings from inside the guitar.

Close-up of a child’s hand plucking strings on a guitar.

Keyboard Shortcut	Action
Space	Pause/Play video playback
Enter	Pause/Play video playback
m	Mute/Unmute video volume
Up and Down arrows	Increase and decrease volume by 10%
Right and Left arrows	Seek forward or backward by 5 seconds
0-9	Fast seek to x% of the video.
f	Enter or exit fullscreen. (Note: To exit fullscreen in flash press the Esc key.
c	Press c to toggle captions on or off

Compare and Contrast

This picture is from the video. Notice how the waves that move through the strings are similar and different. Then answer the questions below.

Close-up of six strings on a guitar. From left to right, two strings are straight, the two middle strings are barely wavy, and the two strings on the right have many small waves.