Unit 9. Undersea world

a shark
a seal
sealion
What is this?
It’s a whale
a spermwhale
a dolphin
What are these sperm whales like?
Are they fish or mammals?
New words
- carnivore (n)
- squid (n)
- diet (n)
- to give birth to
- gestation period (n)
- life span (n)
- accidental entrapment (n)
=> an animal that eats meat.
=> food.
=> the length of time that some thing or some body lives.
Answer the following questions:
1. What are special features of sperm whales?

2. Where can sperm whales be found?

3. Which food do they mainly eat?

4. What is the size of sperm whales?

5. How often does a female sperm whale give birth to a calf?

6. How long can sperm whales live?

7. What are sperm whales at risk due to?




4
Describing information from a table
Task 1. Work in pairs. Read the description of the sperm whale and then complete the table that follows.
All oceans
Prefer waters with high squid populations
Male: 18 metres in length; 54,000 kg in weight
Female: 12 metres in length; 18,000 kg in weight
Carnivores; eat mainly squid
Give birth to one calf every 5 to 7 years
Gestation period: 14 – 19 months
Up to 60 or 70 years
Biggest animals that have teeth on Earth
Have the largest brain of all mammals
At risk due to hunting and accidental fishing net entrapment
What can they do?
What is the dolphin like?
Describing information from a table
Task 2. The table on the next page gives some information about the dolphin. Write a paragraph that describes the facts and figures provided in the table.
Ocean worldwide
Prefer coastal waters and bays
Smallest: about 50 kg and 1.2 m
Largest: up to 8,200 kg and 10 m
Carnivores. Eat mostly fish
Give birth one calf every two years
Gestation period: 11 – 12 months
From 25 to 65 years
Sometimes longer, depending on the species
Mammal not fish
Among the most intelligent animals
At risk due to habitat pollution and accidental fishing net entrapment.
* What should we do to protect our Ocean?
Homework
- Learn new words.
- Write a paragraph about blue Whale, using the following table (part D at page 57- Workbook. )
- Prepare “language focus”.