USE OF ENGLISH AND READING 1

Ex.4 Read the text and decide which answer best fits each gap.

Начало формы

Alfred Nobel. When we hear the name Nobel, we immediately think of the Nobel Prizes. But Alfred Nobel, the ... of the awards, was also a great scientist and inventor.

Born in 1833 in Sweden, Nobel studied firs in Russia and then ... 

 to the U S,

where he studied mechanical ...

Afterwards, he returned to Sweden to work with his father. Gradually, they made ...  in explosives. 

Nobel ...  out how to work safely with nitroglycerine, 

a very dangerous and explosive ...

His invention later became known 

 dynamite. 

Nobel continued throughout his life to ...  improvements in the field of explosives. 

He eventually owned ... Explosives factories around the world and became very wealthy. 

Alfred Nobel was a man of great ... He left a wonderful gift to the world: the Nobel Prizes.

. 

Each year these prizes are ...  to the scientist, 

inventors and other creative people for the great ...  to the world.

Read the text about the discovery of radioactivity. Choose the correct answer for gaps.

The Discovery OF Radioactivity.

In 1896 the French physicist Antoine Henri Becquerel was investigating uranium salts. He accidentally left a bit of uranium lying on some photographic plates –glass plates which were used in photography before film was ...

..... the plates were wrapped in thick black paper to protect them from light, after some time Becquerel found out that they had been exposed, just as if they had been lying in the sun.

 He asked himself how this ...

 happened .

He repeated the experiment and finally ...

 to the conclusion that uranium salt emitted unknown rays,

similar ... X-rays, which could pass through thick black paper. 

In this way radioactivity ...  discovered. 

The story shows some important qualities of scientist’s mind: the desire to understand why something happens the way it does, and the imagination which made Becquerel ... of a new, original explanation.

In 1903, Henry Becquerel won the Nobel ... in Physics for his discovery.