Page 27 - GK 3

GRADE 3 Start Up G.K

The telephone Wilbur and Orville
16 Inventions and discoveries – Timeline was invented by Wright invented

Alexander Graham the first airplane.
A timeline shows a picture of events as they happened in a certain Bell.

period of time. See this interesting timeline of inventions. 1876 1903

Abacus the first First telescope was The present

known calculator was invented by Hans form of sewing 1862 1879 1908
invented. It is said Lippershey. It was machine was Thomas Alva Edison Henry Ford invented
to be invented by used to view the invented by Elias Howe. Louis Pasteur believed invented the light the Model T car-the first

the Chinese. skies. It is used for stitching that germs cause bulb which could affordable car used
2400 BC 1608 clothes. 1846 diseases. He invented by people.

the process of ‘pasteurization’ glow for over
1593 1769 of milk. 1500 hours.

First form of The steam engine
thermometer was was invented by

invented by Galileo Thomas Savery but Read the clues and search answers in the word grid.
Galilee. later improved by 1. What was invented by Hans Lippershey to view the stars in
James Watt. It then the sky?
became usable. 2. Which calculating device was invented by the Chinese in 2400 BC?

3. Name the first affordable car introduced by Henry Ford and used
The sound of Mr. Bell ! 4. Who improved the steam engine in 1769?
by the people.

Alexander Graham Bell is most famous for his 5. The machine invented by Elias Howe is used for

invention of the telephone. He was interested stitching clothes. I J U A B A C U S B G
in the study of sound because his mother and 6. What was invented by the Wright M A M B I Y E S U U E
wife both were deaf. He experimented to send Brothers in 1903 which made O M E I M O D E L T R

voice signals down a telegraph wire. He had a travelling easy and quick? C E R N E T I B T E M
famous assistant Thomas Watson and together 7. According to Louis Pasteur A S A S A H L E R L S
they were able to come up with the telephone. what was the main cause of S W S T S E O A Y E E

The first words spoken over the telephone were diseases? T A I R P L A N E S P
by Alexander Graham Bell on March 10, 1876. They were, “Mr.Watson, come 8. Which word did Alexander L T E E O L P S S C I

here, I want to see you.” Graham Bell introduce for E T O O E O E I T O A

Later, Graham Bell introduced the use of the word ‘hello’ when answering answering phone calls? O A Y J R T A A A P O
phone calls. S E W I N G R M T E S

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