Unit 9: UNDERSEA WORLD (Speaking)
Aim: By the end of the lesson, Ss are able to talk about the causes and offer solutions to
sea problem using the structure Should / Shouldn’t.
Time Content Teacher’s work Students’ work
3’
12’
15’
* Warm up:
Oil spill in Korea.
Unit 9: Undersea world
* Task 1: Put the actions in the
order of importance and then say
what we should or should not do.
- sparingly (adv): tiết kiệm
- dispose of (v): vứt bỏ
- herbicide (n): thuốc diệt cỏ
- pesticide (n): thuốc trừ sâu
- fertilizer (n): phân bón
- release (v): thả
- explosive (n): thuốc nổ
+ We should + V
o
: nên
+ We shouldn’t + V
o
: không nên
→ offer advices or solutions
Put a check (ü) with the action
we should do and a cross (x)
with the actions we shouldn’t do
a. ü b. ü c. x d. ü

member’s ideas.
- Goes around helping
Whole class
- Repeat in chorus.
- Copy down
notebooks.
- Work in pair.
- Work in group
15’ * Task 3: Reporting
* Homework: Rewrite your
groups’ ideas in your notebooks
and prepare for next period.
Ss.
- Asks Ss to report
their groups’ ideas.
- Takes notes and
corrects mistakes.
- Summarizes the main
points.
- Whole class
UNIT 9: UNDERSEA WORLD (listening)
Aim: By the end the lessons, Ss are able to listen and get some specific information
about whales.
Preparation: CD, pictures
Time Content Teacher’s work Students’
work
3’
10’
12’
I. Warm – up:

5’
* Task 1: True – False statements:
1. F (the largest animal)
2. T
3. T
4. F (because of heavy hunting
pressure)
5. T
* Task 2: Answering the questions
1. The blue whale grows to 30
meters in length and over 20 tons
in weight.
2. Because there is a lot of krill -
their favorite food.
3. Cold waters in North and South
Atlantic and the North and South
Pacific are their good feeding
grounds.
4. Heavy hunting pressure is the
main reason for the decrease in
whale population.
5. They have asked I.W.C to stop
most whaling.
6. If we didn’t take any measures
to protect whales, they would
disappear forever.
IV. Post-listening:
Assignment: Learn vocabulary by
heart and prepare for next period.
- Reads through the

+ reason for decrease
and protection
Individual
work
Listen
Listen
Listen
Pair work
Listen
Whole class