Page 35 - GK-8

UNIT 4: SCIENCE AND TECHNOLOGY
8 Medicinal Plantsedicinal Plantsedicinal Plants
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30 Great Scientistsreat Scientistsreat Scientists
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Name these great scientists using the names from the clue box :

1. ____________ was born in 1847 in the USA. He invented the

electric bulb, the phonograph, etc.
2. ____________ was born in 1881 in Great Britain. He

discovered 'penicillin' an antibiotic used to cure many
bacterial diseases.
3. ____________ was born in 1578. He discovered that the Alexander Fleming
heart works like a pump, circulating blood to every part of

the body.
4. ____________ was born in 1822 in France. He discovered
that fermentation and moulds are caused by micro-

organisms. He also discovered the vaccine for rabies.
5. ____________ was born in 1791 in England. He discovered
the relation between electric and magnetic forces. This led Thomas Edison
to the invention of the dynamo and the electric motor.

6. ____________ was born in 1766 in England. He propounded
the 'Atomic Theory'. He proposed that all the elements are
made of atoms. These atoms are so small that they are

indivisible.
7. ____________ was born in 1809 in England. He was a great
Biologist. He propounded the 'Theory of Natural Selection' Albert Einstein
and wrote the famous book, the 'Origin of Species by Means

of Natural Selection'.
8. ____________ was born in 1879, in Germany. Later on he
became a citizen of the U.S.A. He was a great physicist and

propounded the 'Theory of Relativity'. He was awarded the
Nobel Prize for his work on Photoelectric effect.

CluesCluesClues DID Michael Faraday
?
William Harvey, Albert Einstein, John Dalton, YOU Rudolf Diesel (1858 to 1913), a
Charles Darwin, Thomas Edison, Michael Know German engineer invented
Faraday, Alexander Fleming, Louis Pasteur the diesel engine in 1893.

G.K. Magic-8 5 G.K. Magic-8 35 6 G.K. Magic-8