Inventions and discoveries 9

The Wright brothers invented this machine in 1903, recognized as "the first sustained and controlled heavier-than-air powered flight"

A mains-operated device designed to quickly toast flat pieces of bread. The first commercially successful model was introduced by General Electric in 1909

Thomas Edison invented

In 1876 was invented

Tom was very upset when he understood that someone had ____ his computer.

A board with buttons marked with letters or numbers that are pressed to put information into a computer or other machine.

The explosive was discovered by Alfred Nobel in the 1860s and became the first safe controlled explosive, stronger than black powder.

Who invented the penicillin?

Who had never worked for the Apple company ?

It is a piece equipment that shows you what time it is, usually in a house or on a building

The Wright brothers invented this machine in 1903, recognized as "the first sustained and controlled heavier-than-air powered flight"

It is a portable personal computer that is small enough to be carried around and used where you are sitting. They are folded shut for transportation, and thus are suitable for mobile use

It is a medicine that cures infections, destroying harmful bacteria. They are widely used in the treatment and prevention of bacterial infections

What kind of job was Alexander Bell given when he got to America?

The atomic bomb is...

What were the first words spoken over the telephone?

Isaak Newton was a...

Dmitry Mendeleyev was a…

It is a large container that uses electricity to keep food cold.

My friend ............( give) a new phone last Saturday.

Choose the correct variant.

Classroom ......(clean) yesterday.

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This house..........(buy) two years ago.

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The letter .........(receive) last week.

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I ........( often / invite) to the parties.

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The flowers ........( to water) every day.

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I .......( to offer) a job last week.

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Tea .........( to grow) in India.

The science museum . . . by hundreds of people every day.

A lot of experiments . . . in Chemistry classes.

Nowadays space . . .  by many countries.

Some inventions and discoveries . . . at the Science Museum.

This mobile phone . . . in China.

Our life . . . by inventions and discoveries.

Computers . . . by many people in different countries.

Robots . . . by scientists.

Albert Einstein . . . all over the world.

Many science books . . . in our shop.

are sold