Te 8 ruscha indd


U N IT 7 SC IEN C E A N D TEC H N O LO G Y LESSON 2 What is science?


Download 4.61 Mb.
Pdf ko'rish
bet46/73
Sana11.10.2023
Hajmi4.61 Mb.
#1698094
1   ...   42   43   44   45   46   47   48   49   ...   73
Bog'liq
8-sinf-Teens-English-PB (1)

U N IT 7 SC IEN C E A N D TEC H N O LO G Y


LESSON 2 What is science?

a W o rk in pairs. Think about w h at 

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 

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 

Download 4.61 Mb.

Do'stlaringiz bilan baham:
1   ...   42   43   44   45   46   47   48   49   ...   73




Ma'lumotlar bazasi mualliflik huquqi bilan himoyalangan ©fayllar.org 2024
ma'muriyatiga murojaat qiling