3.3 Waves- Wireless Communication

Radio waves carry information from

• antenna to antenna

• amplitude to frequency

• AM to FM

• space to Earth

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-3

Cell phones transmit and receive signals using

• radio waves

• ultraviolet waves

• microwaves

• gamma rays

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

NGSS.HS-PS4-5

With a satellite phone system, you can call anywhere in the

• country

• state

• county

• world

Tags

NGSS.MS-PS4-3

A satellite television system includes communications satellites and

• GPS receivers

• electromagnetic wave

• satellite dish antennas

• infrared cameras

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

AM radio waves have LONGER wavelengths than FM radio waves.

• True

• False

AM radio waves travel a SHORTER distance than FM radio waves.

• True

• False

Radio stations, police radios, and amateur radio operators use THE SAME radio frequencies.

• True

• False

The process of making cell phone calls happens almost at the same speed of SOUND.

• True

• False

The Global POSITIONING System (GPS) is a system of navigation that allows people with GPS receivers to pinpoint their location.

• True

• False

Cell phones work only if they are in a GPS system

• True

• False