I bet I can cross the room without having the lights come on. Class members set up an experiment in which they try to determine what materials will mask motion detected by a sensor. Groups predict how materials will interact with...

This lesson will describe how the doppler effect is created by moving sound waves. It is 2 of 4 in the series titled "Doppler Effect."

This lesson will describe how the doppler effect is created by moving sound waves. It is 3 of 4 in the series titled "Doppler Effect."