The invention of telephone

Ummuhan Kılıç Makbule GILIÇ Yenişehir Municipality Kindergarten, Turkey Markou Glikeria 14th Kindergarten Ptolemaida,Greece

Start!

The inventionof telephone

telephone....What is it?

01

The telephone is one of our best ways to communicate. With a telephone, a person can talk almost instantly with someone on the other side of the world. Most telephones are linked to each other by wires. Others, such as cell phones, are connected by invisible radio waves that travel through the air.In an emergency a telephone can save your life. Telephones are even used in cars, planes, ships, and on lots of different mechanical machines

telephone literally means “distant sound.”

Tele is a Greek word means "distant"

Phone is a Greek word means "sound"

The word Telephone:

the history of telephone

02

Not everyone agrees who invented the telephone. However, Alexander Graham Bell usually gets the credit. In 1876 he sent the first words by telephone. Later that year Bell made the first long-distance call. He talked with his assistant, who was 2 miles (3.2 kilometers) away. By 1915 people could place telephone calls across the United States. .https://kids.britannica.com/

(Ümmühan KILIÇ-Yenişehir Municipality Kındergarten-TURKEY)

Video

(Makbule GILIÇ Yenişehir Municipality Kındergarten-TURKEY)

Video

1928

First dial telephone

1892

1900

1876

Candlestick telephone

Hand crank Telephone

The first telephone in history was used to talk over only two lines.

Telephone evolution

1990

Cordless telephone

1964

1970

1950

Push button telephone

Mobile phone

Desk set telephone

Telephone evolution

Then cell phones came out and communication became very easy

how a telephone works?

03

A traditional telephone depends on wires to send sound. Sound waves are literal waves that travel through the air. Sound is basically the movement of the air vibrating from the sound produced by something making a noise.

https://academy.animaljam.com/posts/string-telephone-

DIY STRING TELEPHONE

TIME TO PLAY!!!

04

+ info

+ info

+ info

+ info

Puzzle

Tangram

What's my number?

The history of telephone

Find the same

+ info