Wireless Communication

What is orbiting Earth that receive radio, television, and telephone signals and then transmit them around the world?

• GPS
• Communication Satellite 
• Transmitter
• Cell Phone Tower

How do FM waves travel?

• As changes in the frequency of the wave
• As changes in the amplitude of the wave
• As changes in the wavelength of the wave
• As changes in the resonance of the wave

Which waves pass through the atmosphere and they are not reflected back toward Earth?

• FM
• AM
• Radio 
• Microwa

In AM waves what remains constant? 

• Frequency 
• Amplitude 
• Wavelength 
• Crests

Which waves can reach great distances (Waves go into atmosphere and reflect back to Earth so that can move around the curvature of Earth)? 

• FM
• AM
• Radio 
• Microwaves 

What waves carry information to your TV and radio ?

• Radio
• Microwaves
• Gamma
• AM

What relays signals it receives from Earth back to other receivers?

• Tower
• Cell Phone
• Transmitter
• Power Station

What must radio waves move around? Select the best answer

• The curvature of Earth
• The population of people
• The population of animals
• Trees and other plants

What types of waves do cell phones use?

• Radio waves
• Gamma Rays
• Microwaves 
• Ultraviolet Rays

How can cell phones make long distance calls?

• Strong Wifi signal
• Good reception 
• Satellite telephone systems
• The government