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Unit 12. Life on other Planets. Lesson 5. Skills 1

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Tham khảo cùng nội dung: Bài giảng, Giáo án, E-learning, Bài mẫu, Sách giáo khoa, ...
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Người gửi: Nguyễn Đình Trọng (trang riêng)
Ngày gửi: 21h:18' 05-08-2016
Dung lượng: 1.5 MB
Số lượt tải: 792
Số lượt thích: 1 người (bùi thu mai)
Welcome the teachers to our class 8A

UNIT 12: Life on other Plannets
Period 71. Skills 1
1a. Look at the pictures and discuss the questions
What are the names of two plannets in pictures A and B?

How do you think the pictures are different?
b. Read the text below and check your answer.
1. Mars is called the Red Planet because of its reddish surface There have been many explorations to Mars by humans since the mid-20th century. Scientists hope that we can find another planet to accommodate human life.
2. There are major reasons why the climate on Mars is unsuitable for human life. Temperatures on Mars can be as low as -87 degrees Celsius and rarely get above 0 degrees Celsius. But the bigger problem is the lack of oxygen 95% of the atmosphere is carbon dioxide (CO2), and this is poisonous to breathe. Moreover, there is no water on Mars even though scientists have found traces of it.
3. However, as early as the mid-19th century scientists discovered that Mars had some similarities to Earth. A day on Mars is 24 hours, 39 minutes and 35 seconds, almost the same as a day on Earth. Mars also experiences seasons just as Earth does. However, the seasons are twice as long because a year on Mars lasts about twice as long as an Earth year

surface (n)
bề mặt
cung cấp nơi ăn , chốn ở
tương tự
trải nghiệm
dấu vết
khí quyển, không khí
khí ôxy
Oxygen (n)
experience (n)
trace (n)
Accommodate (v):
Atmosphere (n)
similarity (n)
2. Find words in the text that have similar meanings to these words or phrases.
Causing death or illness
Two times
Has, goes through
Marks or sighs showing that something happened
The outside or top layer of something
Weather conditions of a particular place
Provide a place to live
-> poisonous
-> experiences
-> traces
-> surface
-> climate
-> accommodate
-> twice
Reasons why we may be able to live on Mars.
Reasons why we may not able to live on Mars.
Explanation for the name of Mars.
Reasons for explorations of Mars.

3 Match the headings with the paragraphs (1-3). There is one extra.
What is the other name for Mars?

What are the lowest and the highest tenperatures on Mars?

Why is it poisonous to live on Mars?

Which is longer, a day n Earth or day on Mars?

How long is a year on Mars?
4. Read the text again and answer the qustions.
- It is also called the red Planet
- The lowest temperature is -87 degrees Celsius and the highest may be a bit higher than zero.
- Because 95% of the atmoshere is cabon dioxide
- A day on Mars a bit longer
- It is twice as long as a year on Earth.
5. Work in pairs. One is a human and the other is a Martian. Use the suggestions below to ask and answer about life on Earth and life o Mars.
Learnt by heard the new words
Prepare skills 2
Look up the new words
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