This exercise continues to develop your understanding of the Doppler Effect. One of the best ways to learn about something is to experience it first hand. Fortunately, all of us already experience the Doppler Effect every time we walk down the road. Watch this video to learn more:
Once you have watched the Doppler Effect video, write a short essay (2 paragraphs) answering the following questions:
What is pitch and why do sounds change pitch as an object approaches and moves away from us?
How does this change in pitch and the Doppler Effect help us understand the expanding universe and the Big Bang?