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Greatest inventors and inventions

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by

Rafiqua Israel

on 18 May 2015

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Transcript of Greatest inventors and inventions

Alexander Graham Bell
Mark Zuckerberg
King Sejong
King Sejong invented the Korean alphabet.

Hangul was invented in 1443.
Henry Ford & Karl Benz
Henry Ford invented the first affordable car for middle class people

It is believed Karl Benz invented the first true car in 1885/1886.




Greatest inventors and inventions
Thomas Edison
Thomas Edison invented the light bulb.

The light bulb was invented in 1879.
Alexander Graham Bell invented the telephone.

The telephone was invented in 1876.

Mark Zuckerberg invented the famous social media platform, Facebook.

He invented Facebook in his college dorm room in 2004.
Martin Cooper
Martin Cooper invented the first mobile phone (cellphone).

The first cellphone was invented in 1983.


Tokuji Hayakawa
Tokuji Hayakawa invented the first ever-sharp pencil in 1915
Joseph Gayetty
Joseph Gayetty invented toilet paper in 1857.

Before there was toilet paper, people used tree leaves.
Inventor:
Invention:
A person who makes something
To make something new
Todays lesson:
Work solo
You are an inventor
You need to invent something (anything)

Answer three questions:
What is it?
How does it work?
What is it made from (material)
Why do we people invent?
comfort, convenience

to make money

to help others

to make life easier, better and faster

Why is
invention
important?

Think about it
Everything in life is invented-
the computer, the cell phone, TV, videos, even pencils.
We need inventors (people) to invent things to that the world can continue to evolve.
Other cool inventions:
A cup that can hold cookies
A toaster that is
made from glass
Laser scissors to help cut a straight line
Sleep safe tape
Henry ford
Karl Benz
sharp pencil
Full transcript