Unit 9. Undersea world

Unit 9: Undersea world.
Lesson :Reading.
Period: 54
Welcome to class
Best wishes
HAPPY NEW YEAR
Look at these pictures:
1. beach. 2. seashell.
Ocean ( n): Đại dương.
The pacific Ocean (n) Thái bình dương.
Atlantic Ocean ( n) Đại tây dương.
Indian Ocean ( n) Ấn độ dương.
Antarctic Ocean ( n) Nam Băng dương.
Artic Ocean ( n) Bắc băng dương.
To divide st into Chia cái gì ra thành từng mảnh.
To cover ( v) ( n) che phủ, bao trùm, vỏ ( vỏ ngòai).
To challenge ( V) thách thức, không thừa nhận.
To overcome( v) thắng , tìm cách vượt qua.
new words
Submarine ( n) tàu ngầm.
To investigate ( v) điều tra, nghiên cứu.
A wide range ( n) nhiều, đa dạng.
Starfish ( n) cá sao.
Shark ( n) cá mập
Seashell ( n) vỏ sò.
Sea lion ( n) sư tử biển.
Dolphin ( n) cá heo.
Seal ( n) hải cẩu.
Jellyfish ( n) con sứa
Task:1 The words in the box all appear in the passage. Fill each blank with one of them. There are more words than needed.
Some plants and animals are referred to as ………………… organisms because they are extremely small.
Thanks to modern technology, scientists have been able to …………………the life of plants and animals that live under the sea.
A …………..…is a large area of the sea that is partly surrounded by land.
These scientists have collected different………..……..analyse for their experiment.
Scientists have overcome many of the …………………of the depth by using modern devices.
Plants and animals of the sea , however small and…………..……., all contribute to its biodiversity.
a. Gulf
b. oversized
c. biodiversity
d. challenges
G. Investigate
h. tiny
e. samples
k. provide.
Task:2 Read the passage again and then answer the following questions.
1.What percentage of the earth’s surface is covered by seas and oceans?
75 % of the earth’s surface
2. How do scientists now overcome the challenges of the depth?
By using modern devices.
3. What can submarines do to help scientists know about the undersea world?
They investigate the seabed and bring samples of the marine life back to the surface for further study.
4. What can we learn from the satellite photos?
We can know a wide range of information, including water temperature depth and the undersea populations.
After you read: Complete the summary of the reading passage by filling each blank with a word or phrase given in the box below.
1. Though covering…( 1)… ……… …………….of the earth’s surface, the ocean has remained…(2)… ………….…….to us until recently. With …..(3)……………….. technology we have now made important....( 4) ..…………….about the ….( 5)…………………. ……..of marine life. We have learnt that whether tiny or….( 6)……………………… , all the ….( 7)….......…………….……of the sea are…(8)…………….…………………………..

K. Closely connected
A. Plants and animals
B. biodiversity.
C. discoveries
D. Huge
G. mysterious
H. modern
I. three-quarters
Learn by heart the new words.
Prepare the new lesson
Homework