New Ways to Communicate

New Ways to Communicate

Lesson 3

Telegraphs and Telephones

* Invention - something that is made for the first time.

* People protect their inventions by getting patents on them.

* Patent - gives a person the right to be the only one making or selling an invention.

*1832 - Samuel Morse began work to develop a telegraph.

* Telegraph - a machine that sends and receives signals through a thin wire.

* Six years later, the Morse Code was invented.

*Morse Code uses dots and dashes to represent letters and numbers.

*Delivers messages almost instantly.

* 1844 - the first telegraph message was sent between two cities.

*1876 - Alexander Graham Bell invented the telephone

* For the first time, people could talk without seeing each other.

Multiple Choice

An invention........

• is a mail system that carried letters.

• uses wires that are strung between buildings.

• is something that is made for the first time.

• sends and receives signals.

Multiple Choice

A patent.....

• gives a person the right to be the only one making or selling an invention.

• sends photos and videos on cellular phones and computers.

• quickly sends and receives signals for radios.

• sends email messages thata travel around the world in just a few seconds.

Multiple Choice

A telegraph.........

• uses dots and dashes to represent letters and numbers.

• was the first message sent across the Atlantic Ocean.

• showed black and white pictures.

• is a machine that sends and receives signals through a thin wire.

Multiple Choice

The Morse Code........

• used wires to improve communication.

• uses dots and dashes to represent letters and numbers.

• was a mail service.

• was in every home in the United States.

Multiple Choice

Alexander Graham Bell invented......

• the telephone

• the light bulb

• the Pony Express

• the Oregon Trail

Question 2

Underline the sentence that tells how the telephone affected how people communicated.

Radio and Television

* Telegraph and telephone helped people communicate over long distances.

* 1896 - Marconi patented a way for radio signals to travel through air.

* 1901 - received the first radio message sent across the Atlantic Ocean.

* The idea for the television is based on the work of Morse, Bell, Marconi, and many other scientists.

* 1939 - the television was introduced to a large audience at the World's Fair in New York.

* By the late 1940's, many Americans owned a television.

* Today, almost every home in the United States has at least one television.

Multiple Choice

Today, almost every home in the United States has at least one......

• patent

• telegraph machine

• television

• horse

Multiple Choice

Which communication tool was invented first?

• Telephone

• Television

• Radio

• Telegraph

Question 3

Look at the pictures of communication tools. Number them 1-4 in the order they were invented.

Communication Today

* In the last 20 years, communication has changed even more.

* Satellites quickly send and receive signals for radios, televisions, cellular phones, and computers.

* Technology - the scientific knowledge about how things work.

* In the future, there will probably be many new ways of communication quickly.

* Communicate (yesterdays vocab word) - pass your thoughts and information to others.

Multiple Choice

Technology is..........

• the scientific knowledge about how things work.

• created by one person.

• something that is made for the first time.

• a mail system that carried letters.

Multiple Choice

When people communicate....

• they travel around the world in a few seconds.

• they deliver mail quickly and safely.

• they kept away from the Native Americans.

• they pass their thoughts or information to others.

Multiple Select

Communication has changed even more in the last 20 years?

• True

• False

Question 4

Write one detail that supports the conclusion that communication has changed over the last 20 years.

Question 5

Write a conclusion you can draw about how each type of communication has changed the way people live.

(what is the advantage of?)

Question 6

Describe how people communicated with each other before the invention of the telephone and how the telephone made communication easier.