Inventions And Discoveries Grammar
Answer the following questions. Read two letters on pp. 139-140 in your SB.
The study of the way in which language works is...
The science of the stars which deals with the Eart, the Moon, the Sun and other planets is...
The study of mental lofe which studies human and animal behaviour is...
... deals with the scientific, observation and study of the phenomena of weahter and climate.
... is the science of life which deals with a great diversity of life forms.
When was the first accurate clock designed&
When were shadow clocks first used?
What kind of clocks were used in ancient Egypt?
When were sand glasses used?
What kind of job was A. Bell given when he got to America?
Who was A. Bell`s work financed by?
When was the first communication satellite launched?
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