10.3 Wireless Communication
Flashcard
•
Physics
•
8th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is the second step in how radios work?
Back
Radio waves strike your radio's antenna and are picked up.
2.
FLASHCARD QUESTION
Front
Which type of radio waves have higher frequencies and more energy?
Back
Frequency modulation.
3.
FLASHCARD QUESTION
Front
What does GPS stand for?
Back
Global positioning system.
4.
FLASHCARD QUESTION
Front
What do satellite phones transmit?
Back
Radio waves.
5.
FLASHCARD QUESTION
Front
Why do we need more than one satellite for communication?
Back
Satellites can only see part of the earth at a time.
6.
FLASHCARD QUESTION
Front
What is the primary function of a radio antenna?
Back
To pick up radio waves.
7.
FLASHCARD QUESTION
Front
What is the difference between frequency modulation (FM) and amplitude modulation (AM)?
Back
FM has higher frequencies and more energy than AM.
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