10 questions
Who was the first person to patent the telephone?
Benjamin Franklin
Alexander Graham Bell
George Washington
In what year did the mobile phone become popular?
1950
2015
1980
How does a landline work?
It works like a microphone for your voice.
It uses electricity to carry sound from one telephone to another.
Signals are sent through tall towers.
How does a cellphone work?
Turns your voice into an electric signal.
Sends messages to your computer.
Uses wires to call and send messages?
The word telephone comes from the Greek language, and it means......
box and sounds
tele and phone
far and sound
If a signal is sent through the air it uses....
Wires
Aliens
Satellites
Chose all of the ways the telephone helps our lives.
Safety
Keeping in touch with family and friends.
Tattle telling on your brother or sister.
Getting information wherever you are.
Throwing it like a football.
Chose all of the ways the telephone hurts us.
Brother can hit you in the head with it.
Radiation can affect your health.
Your mom calls you all the time.
Bad people can steal your information.
How big was the first phone book?
100 pages
15 pages
1 page
What percentage of Americans have cellphones?
100%
50%
91%