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Closer Look Questions
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Ultrasonics



1

What is an ultrasonic wave?
2

How are ultrasonic waves used in industry?
3

How are ultrasonic waves used in medicine?

Doppler Radar



4

What is a Doppler radar?
5

What is the difference between "red shift" and "blue shift"?
6

In what additional ways does a weather forecaster use a Doppler radar machine?







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