Unit 9. Undersea world

* Matching pictures
1. Shark
2. Seal
3. Squid
4. Turtle
5. Dolphin
6. Jellyfish
1. Shark
2. Seal
3. Squid
4. Turtle
5. Dolphin
6. Jellyfish
*Vocabulary:
1. The Pacific Ocean :
2. The Atlantic Ocean :
3. The Indian Ocean :
4. The Antartic Ocean :
5. The Arctic Ocean :
Thái Bình Dương
Đại Tây Dương
Ấn Độ Dương
Biển Nam Cực
Bắc Băng Dương
6. surface (n):
7. submarine (n):
8. marine (adj) :
9. organism (n) :
10. water current :
11. be at stake = be threatened :
bề mặt, mặt (biển)
tàu ngầm
thuộc về biển
sinh vật ( nhất là những sv nhỏ)
dòng nước
dang b? de d?a
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.
Gulf oversized biodiversity challenges
Investigate tiny samples provide
1. Thanks to modern technology, scientists have been able to _____________ the life of plants and animals that live under the sea.
2. These scientists have collected different _________ to analyse for their experiment.
3. A _______ is a large area of sea that is partly surrounded by land.
investigate
samples
gulf
4. ____________ is a term that refers to the existence of different kinds of animals and plants which make a balanced environment.
Gulf oversized biodiversity challenges
Investigate tiny samples provide
5. Some plants and animals are referred to as ______organisms because they are extremely small.
Biodiversity
tiny
1. What percentage of the earth’s surface is covered by seas and oceans ?
* Task 2: Answer the following questions:
2. How do scientists now overcome the challenges of the depth ?
- 75% of the earth’s surface is covered by seas and oceans.
- 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 ?
4. What can we learn from the satellite photos ?
- They investigate the seabed and bring samples of the marine life back to the surface for further study.
- We can learn from the satellite a wide range of information, including water temperature, depth and the undersea population.
5. How many groups of marine plants and animals are there?
6. What would happen if the sea biodiversity were not maintained ?
- There are three major groups.
- If the sea biodiversity were not maintained, marine life would be at stake.
* Complete the summary of the reading passage by filling each blank with a word or phrase given in the box below.
Though covering ___________ of the earth’s surface, the ocean has remained ___________ to us until recently. With _______ technology we have now made important ________ about the ________ of marine life. We have learnt that whether tiny or ______, all the __________ of the sea are _________.
biodiversity
mysterious
three-quarters
discoveries
modern
huge
closely connected
plants and animals
three-quarters
modern
mysterious
huge
plants and animals
biodiversity
discoveries
closely connected
HOMEWORK:
- Learn by heart Vocabulary.
- Prepare speaking.