Cell Phone

Once a cell signal reaches the mountain towers they are sent to a ___________________________ which could be thousands of miles away.

• base station

• frequency hopper

• satellite

• telegraph

Tags

NGSS.MS-PS4-1

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What are three benefits of a cell phone?

• small

• useful in an emergency

• easy to carry

• expensive

• may not work in some areas

What can signal strength be affected by?

• relief

• buildings

• distance from towers

• all of the above

What is the primary function of a cell phone tower in a mobile network?

• To charge mobile phones

• To transmit and receive radio signals

• To store user data

• To provide internet access

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which component in a cell phone is responsible for converting sound into electrical signals?

• Microphone

• Speaker

• Battery

• Antenna

What type of electromagnetic waves do cell phones primarily use for communication?

• Gamma rays

• Infrared waves

• Radio waves

• Ultraviolet rays

Which part of the cell phone is responsible for processing data and running applications?

• Battery

• Display

• Processor

• Antenna

What is the role of the SIM card in a cell phone?

• To store photos and videos

• To provide a unique identifier for the user

• To charge the phone

• To amplify sound

How does a cell phone connect to the internet when Wi-Fi is not available?

• Through satellite connection

• Using mobile data networks

• Via Bluetooth

• Through infrared communication

What is the typical range of frequencies used by cell phones for communication?

• 300 MHz to 3 GHz

• 30 GHz to 300 GHz

• 3 kHz to 30 kHz

• 300 GHz to 3 THz

Tags

NGSS.MS-PS4-3