Giáo án Tiếng Anh 8 - Week 20, Unit 7: Pollution (Lesson 4-6) - Năm học 2020-2021

 Week: 20 
Period: 58 
Date of planning: 10/01/2021
 UNIT 7: POLLUTION
 Lesson 4 : COMMUNICATION 
I. OBJECTIVES: 
1. Knowledge, skills, and attitude: 
- Knowledge: By the end of the lesson, ss will be able to talk about noise 
pollution, a common pollution type that not many people recognize as a 
pollution.
 Vocabulary: The lexical items related to the topic “Noise population”
 - Skills: listening, speaking, reading
- Attitude: Students keep the environment clean.
2. Competence and quality: 
- Competence : Co-operation: work in pairs, groups, teams
- Self- study: work individually.
- Using language to talk about pollution
- Quality: Ss can perform tasks and present personal opinions confidently
II. Preparation: 
Teacher : teacher's book , TV, laptop, CD player. 
Students: Prepare the lesson at home, text book, workbook
III. Procedures
1. Class order: Greeting, checking attendance
2. Checking up: have ss talk about the names of pollution
3. New lesson:
 Teacher’s activities Students’ Content 
 activities
Activity 1 Who is quicker?
- Ask Ss to play the - Individual and Rules of the game: Each student prepares a 
game as the rules. pair work piece of paper. Within half a minute, write 
 down types of pollution and then exchange the 
 paper with his /her partner. Teacher shows 
 some types of pollution the Ss have learnt. The 
 student that has more correct answers than the 
Activity 2: others will win the game.
 Extra vocabulary
- Today we are going - Listen and repeat - permanent (adj): mãi mãi
to talk more about then write down - earplug (n): nút bịt lỗ tai 
noise pollution. - affect (v): làm ảnh hưởng đến
 - hearing loss (n ph): mất thính lực, khiếm 
 thính
- Use some - blood pressure (n ph): huyết áp
techniques to present 
the new words 1 - 3. Noise pollution.
Activity 3: 1B 2C 3A 4B 5C 6A 7A 8C - Ask the Ss to do the - Individuals
activity 1 Final results:
individually - Work in pairs to - one correct answer: ....... Ss
- Ask each student to do activity 2 - two correct answers: ...... Ss
compare the answers ....................................................
with his/her partner. - Listen to their - eight correct answers: ........ Ss
- Ask 4 or 5 pairs to friends
read the full 
sentences aloud.
- Ask those pairs 
how many different 
answers they have - Listen and take 
got notes
- Play the tape twice - Report their 
 results
- Ask the some Ss 
how many correct 
answers they have - Report the final 
got results and correct 
- Play the tape again the mistakes
and confirms the 
correct ones
Activity 4: 4. Work in groups. Discuss other .
- Divide the class Discussion:
into 4 groups - Group work - Each group presents their ways to prevent 
- Ask them to write noise pollution before the class.
down the other ways - Vote for the best ways.
to prevent noise 
pollution 
- Ask the group - Report before the 
leaders to report their class
ways before the class
- Give comments - Listen to the 
 results
4. Homework:
- Write exercise 1 in your exercise book. 
- Prepare: Skills 1
IV. Check and remark lesson:
- What have you just studied?
- Talk about the natural disasters in your area.
V. Feedback:
.........................................................................................................................................
.........................................................................................................................................
......................................................................................................................................... Week: 20 
 Period: 59 
 Date of planning: 10/01/2021
 UNIT 7: POLLUTION
 Lesson 5: SKILLS 1 
 I. OBJECTIVES: 
1. Knowledge, skills and attitude: 
 - Knowledge: talk about the causes and effects of water pollution as well as 
ways to reduce it.
+ Vocabulary: The lexical items related to the topic “Population”
- Skills: reading, speaking
- Attitude: Students keep the environment clean.
 2. Competence and quality: 
 - Competence : Co-operation: work in pairs, groups, teams
 - Self- study: work individually.
 - Using language to talk about pollution
 - Quality: Ss can perform tasks and present personal opinions confidently
 II. Preparation: 
 Teacher : teacher's book , TV, laptop 
 Students: Prepare the lesson at home, text book, workbook
 III. Procedures
 1. Class order: Greeting, checking attendance
 2. Checking up: have ss talk about the names of pollution
 3. New lesson:
 Teacher’s activities Students’ activities Content 
 Activity 1: Chatting
 - Sketch on the board - Ss’ answers:
 then ask: “People will have What will happen if water 
 “What will happen no clean water to is polluted?
 if water is use.”
 polluted?” “Species of marine 
 life will never be Reading
 Activity 2: seen.” ... 1. Suggested answers:
 - Have Ss do the Picture A
 activity in pairs, - Pair work: - The ducks are white.
 using Yes/No Student 1looks at - They're going to the lake.
 questions to find out picture A on page - There aren't any factories near the lake.
 the differences 12 while student 2 - The lake water is clean. 
 between the 2 looks at picture B Picture B
 pictures. on page 15. - The ducks are black.
 - Ask some Ss to - Listen to their - They're going from the lake.
 practise again friends - There are some factories near the lake.
 - Give the suggested - Listen and take - The lake water is dirty / black.
 answers notes New words:
 - Use some - Listen and - contamination (n): sự làm bẩn techniques to present remember - groundwater (n): nước ngầm
the new words. - Listen, repeat and - contaminant (n): chất gây bẩn
 copy down. - herbicide (n): thuốc diệt cỏ
 - point source pollution (n): ô nhiễm có 
 nguồn
 - non-point source pollution (n): ô nhiễm k 
 nguồn
 - pollutant (n): chất (tác nhân) gây ô nhiễm
Activity 3: - cholera (n): bệnh tả
- Introduce activity 2
- Ask Ss to read the 2. Mi and Nick have decided to give ..
passage quickly then Answers:
answer the questions. 1. The second paragraph tells about the 
- Ask Ss to exchange - Pair work causes of water pollution.
their answers in 2. The third paragraph tells about the effects 
groups of four of water pollution.
- Ask Ss to practise - Group work 3. It's the water beneath the Earth's surface.
asking and 4. They are industrial waste, sewage, 
answering again pesticides, and herbicides.
- Give the correct - Listen to their 5. They are pollutants from storm water and 
answers friends the atmosphere.
- Ask Ss to think of 6. They use herbicides to kill weeds.
the suitable words to - Listen and write 3. Read the text again ..
fill each blank (noun, down The missing words
verb, adjective ...) - Do the task as the 1. cholera
- Ask Ss to discuss in T’s request 2. die 
pairs 3. polluted water 
- Ask some Ss to 4. dead
read the full 5. aquatic plants
sentences.
- Give the correct 
answers
- Ask Ss to work in Speaking: 
groups to discuss the 4. The solutions to water pollution.
solutions to water - Group work - Solution 1: Give heavy fines to companies 
pollution that are found doing this.
- Ask some groups to - Solution 2: Educate companies about the 
present their environment.
solutions - Listen to their - Solution 3: Give tax breaks to companies 
- Give suggestions friends that find “clean” ways to dispose of their 
 - Listen and correct waste.
Activity 4: 5. Completing the diagram.
- Ask Ss to work in - Suggestions:
groups again to - Draw the diagram Effects: cholera, other diseases, and the 
complete the on a big piece of death of living things
diagram paper Causes: factories, sewage, pesticides; storm 
 water, atmosphere result - Ask some Ss to 6. Presentations about water pollution
give their - Listen to their Students’ presentations
presentations about friends
water pollution
- Give comments - Correct
4. Homework:
- Write exercises 2-3 in your exercise book. 
- Prepare: Skills 2 
IV. Check and remark lesson:
- What have you just studied?
- What do you prepare before a typhoon?
V. Feedback:
.........................................................................................................................................
.........................................................................................................................................
.........................................................................................................................................
 ------------------------------
Week: 20 
Period: 60 
Date of planning: 10/01/2021
 UNIT 7: POLLUTION
 Lesson 6: SKILLS 2 
I. OBJECTIVES: 
1. Knowledge, skills, and attitude: 
- Knowledge: +listen to get specific information about thermal pollution.
 + write about the causes and effects of one pollution type.
- Skills: Listening and writing
- Attitude: Students keep the environment clean.
2. Competence and quality: 
- Competence : Co-operation: work in pairs, groups, teams
- Self- study: work individually.
- Using language to talk about pollution
- Quality: Ss can perform tasks and present personal opinions confidently
II. Preparation: 
Teacher : teacher's book , TV, laptop 
Students: Prepare the lesson at home, text book, workbook
III. Procedures
 1. Class order: Greeting, checking attendance
 2. Checking up: have ss talk about the names of pollution
 3. New lesson:
 Teacher’s activities Students’ Content 
 activities
Activity 1: Chatting
- Ask Ss some - Ss’ answers: Q: What is the weather like today?
questions about the - It’s hot / cold today. weather Q: How does the climate change in the world?
 - It is hotter in summer and colder in winter.
Activity 2: Listening
- Have Ss look at the 1. Describe the pictures
two pictures on page - Ss’ answers - The first picture shows an algal bloom in 
13 and discuss the coastal seawater.
pictures and the - The second picture shows the cooling towers 
relationship between from a power station.
them. - They are both related to thermal pollution.
- Call on one or two - Listen to their 
Ss to give their friends New words:
answers.. - Listen and repeat - algal bloom (n) = algae bloom: 
- Use some then write down tảo nở hoa, còn gọi là thủy triều đỏ (red tide)
techniques to present - discharge (n): sự thải ra
the new words. - reservoir (n): bể chứa nước
 - dramatic (adj): bi đát
 - survive (v): sống sót
 2. Listen to part of a conversation on 
Activity 3: TV 
- Have Ss quickly - Group work Key: 
read the diagram and 1. hotter 2. cooler
identify the form of 3. cool 4. warm rivers
the word/ phrase to 5. Warmer 6. fish populations
be filled in each 7. Harmful 8. colour
blank - Listen and take 9. poison 10. cool down
- Play the recording notes
once. - Write down
- Ask for Ss' answers 
and write them on 
the board. - Correct
- Play the recording 
again and gives the 
correct answers Writing
 3. Work in pairs. Discuss the causes 
- Ask Ss to work in - Pair work and 
pairs and decide 4. Imagine that you two are writing an 
which pollution type .
in their area they are The sample article:
going to discuss. WATER POLLUTION
- Have Ss take notes - Pair work There are several types of pollution. 
of the causes and However, water pollution is the most serious 
effects. in our area.
- Move around to It is caused by several factors. Firstly, families 
offer help as pairs dump sewage into the river. In the past it was 
discuss their ideas. a very beautiful river, but now the water is 
- Ask Ss to stay with almost black. Secondly, there are two new 
their partner. One factories in our area, and they are dumping writes about the chemical waste into the lake and river. 
causes and the other Thirdly, pesticides are another source of 
writes about the pollution. Farmers in our area usually use 
effects based on their these to kill insects.
notes from 3. Water pollution badly affects our area. 
- Remind Ss to use We do not have enough fresh water to water 
markers like firstly, the plants and crops. People cannot raise fish 
secondly, finally to in the river and the lake because the water 
navigate through - group work there is so polluted. In addition, there are no 
their points. more wild ducks near the river today since 
- Move around to they cannot find fish for food. Another 
offer help and take negative effect is that sometimes in the 
notes of any afternoon there is a bad smell from the 
structures or polluted river, so people do not like walking 
language that Ss are - Listen and take along it anymore.
struggling with. notes People in our area are all aware of this 
 problem, and we are thinking of some ways to 
Activity 4: solve it.
 - Listen to their 
- Have Ss share their friends then give 
work with each other comments
and combine it to 
make a complete 5. Read each other’s work and put 
article. 
- Ask for volunteer 
pairs to read their 
articles out to the 
class and have Ss 
comment on them.
4. Homework: 
- Review types of pollution
- Prepare: Looking back 
IV. Check and remark lesson:
- What have you just studied?
- Present their writings 
V. Feedback:
.........................................................................................................................................
 13/01/2021
 - ND:
 - PP:
 - HT
 Pham Hong Phuong