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UNIT 9: SCIENCE TEST 4

1. 2. Thomas Edison is one of the most important

What's the most important scientific scientists in history. He had over 1,000
achievement for you? patents. He developed a wide range of
products from the electric light bulb to the
phonograph and motion picture camera.
I think the invention of the
Internet is the most important Galileo made many contributions to
Matt scientific achievement. With the the field of astronomy. He developed a
help of the Internet, people can powerful telescope and had revolutionary
get every kind of information theories about the nature of the world. He
very quickly.
also developed an improved compass.

To me, the most important The Wright Brothers successfully designed,
scientific achievement is built and flew the first powered aircraft.
the invention of tyre. People Patricia They showed that people could fly. Their
could travel easily throughout aircraft was one of the most important
history thanks to it. inventions of the twentieth century.

We can understand from the information above that
I think the invention of .............. .
the telephone is the most A) all of these scientists worked on the same
Danielle important one. With the technological device
telephone, people can keep in
touch with each other easily. B) they invented or developed things in different fields
of science
C) Galileo developed more things during his life than
Thomas Edison
In my view, the discovery
of water on Mars is the D) they didn’t invent anything, but they developed other
most important scientific Thomas scientists’ inventions
achievement. It shows that life
is possible on another planet.

According to the information above, which of the 3. The cell is the basic unit of life. (I) All living things have
following cannot be correct?
cells, but cells are extremely tiny, and can only be seen
A) All of them talk about different scientific achievements in a microscope. (II) Some organisms are made up of a
and give explanations for their thoughts. single cell while others are made up of trillions of cells.
(III) The word cell comes from the Latin word cellula,
B) The tyre improved transportation and the telephone which means small compartment. (IV) For example,
provided people to connect easily throughout history. bacteria and yeast consist of only one cell, but the

C) Thomas thinks the discovery of water on Mars shows average human body contains around 30 to 40 trillion
that it is possible to live on another planet. cells.

D) Both Patricia and Matt tell the scientific achievements Which sentence disrupts the meaning of the
that they are used for the same purpose. paragraph above?
A) I B) II C) III D) IV

Grade 8 English 157