READING. Match the invention to its inventor

Match the invention to its inventor.

LEAD-IN

INVENTIONS

UNIT 17

Telephone	Morse Code	Hot-air balloon	Automobile	Airplane	Diesel engine	Helicopter
a	b	c	d	e	f	g
Igor Sikorsky	Rudolf Diesel	Montgolfier brothers	Wright brothers	Karl Benz	Samuel Morse	Alexander Graham Bell

2. What do you think are the most outstanding inventions in human history? Why are they important?

3. Read the text and put the inventions in the chronological order:

- invention of writing;

- the use of fossil fuels as sources of energy, the improvement of metallurgical processes, the development of electricity and electronics, the invention of the internal-combustion engine, and the use of metal and cement in construction work;

- inventive use of stone and metal implements;

- invention of movable type;

- inventive use of metal implements.

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