The actual subject for these question is science. 1. The wavy structure of the grooves on a record causes the needle to be pushed in different directions as the record spins.

(1.) True
(2.) False

2. What effect does the needle being pushed in different directions by the grooves as the record spins have?

(1.) The needle moves back and forth in different patterns.

(2.) The needle moves up and down in different patterns.

(3.) The needle moves in a straight line.

3. Which of the following might explain how different sounds are produced on a record?

(1.) The wavy structure of the grooves on the record produces the sound.

(2.) The needle moving back and forth in different ways produces the sound.

(3.) The sound is reflected off the needle.