Experiment of December 19, 2017:

The time to submit an answer is over. You can now view the solution of the experiment.

Solution video:

Experiment:

Question:

How does the sound change with the different ways of hitting the tube?

A) Both sounds have the same pitch and volume.

B) Both sounds have the same pitch, but the flat hand on the tube opening creates a louder volume.

C) The flat hand on the tube opening produces a higher pitch.

D) The karate chop on the side of the tube produces a higher pitch.