LESSON 2 What is science?
1
a W o rk in pairs. Think about w h at
1
b ( f \ W o rk in pairs. Read and
^ " s c i e n c e is. A nswer th e questions.
ch eck your ideas.
1) What language does the word “science” 2 a
W o rk in pairs. Find th e m eaning
come from? What does it mean?
of th e new w o rd s .
2) What does science learn about?
3) What is science based on?
universe, matter,
4) What are “ branches” in science?
react, the Big Bang, *
2 b
W o rk in pairs. Read and m atch th e te x ts
model
^ ™ w ith headings. One heading is e x tra .
a) Many universes b) What is dark matter?
c) Other kinds of life d) End
of the universe e)
The shape of the universe
f) How the universe was born
1) This is really a simple puzzle. Are there
other types of life out there in the universe?
Frank Drake, an astrophysicist,
thinks that
if only one in billion planets has living
things, then there
m u s t/m a y
be over
6
bill ion planets with living things on them.
Enrico Fermi, however,
says that if life is
that usual, then why we have not had any
signs of other kinds of life in the universe.
2) Astrophysics knows a lot about what
our universe consists of.
But in fact, we can
only see about 4% of the universe. The
models of the universe show there
m u s t/
m ight
be a lot
of matter which we do not
see or “dark matter” . This word means that
we have no idea of what it is. It is made of
different type of
matter and it reacts with
light and other matter in a different way.
3) The astrophysicists think there
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