Learn about how the Doppler effect explains the change in pitch as a sound source moves in relation to you with this activity. This activity has the students making their own Doppler ball.

The Doppler Effect is used to determine the size of the universe as well as predict the weather. Watch this video to get an idea of just what is happening when we experience this scientific phenomenon. [1 min, 03 sec]

Students will see and hear demonstrations of the Doppler Effect and then make an advertisement for a rock and roll band called "The Doppler Effect".

Try this at-home science experiment to learn about the Doppler Effect.