2021-2022学年牛津上海版八年级英语下册Unit3 Electricity教案

2022学年牛津上海版英语八年级第二学期Unit3 教案
Chapter three
教材分析:
The topic is about electricity.
The tell us where electricity comes from and tell us that electricity is dangerous.
In listening section, the students will not receive the information in the same order. They must listen carefully for the sense of the conversation.
The language section. Let students use modal verb fluently, such as can, may, must.
The speaking task. Ask students read /I/; /n/ correctly.
In using English section. Let students understand how to find a book in library.
In writing task. Ask students to write some rulers.
Language points
be careful with
情态动词
New words
at last, burry (buried) cable(s) connect electricity energy explanation form(s) grin in a way invisible light bulb meter monthly(month)
学生分析
Electricity is familiar to students. So the students can understand easily this topic.
Although this topic is easier, there are many new words.
The listening is interesting. The students needn’t take notes. They would like to listen.
重点难点:
1. be careful with
2.情态动词
First Period
Teaching aims:
Learn new words
at last, burry (buried) cable(s) connect electricity energy explanation form(s) grin in a way invisible light bulb meter monthly(month)
Key points and difficulties
Understand and spell new words
at last, burry (buried) cable(s) connect electricity energy explanation form(s) grin in a way invisible light bulb meter monthly(month)
Teaching process
I. Teaching the new words
1. at last (adv.) * in the end.
Eg. He waited for the bus for an hour. At last. It arrived.
! at last is usually put at the beginning or the end of sentence.
2. bury (v.) *put something/ someone in the ground.
Buried
Eg. When people die, they are usually buried.
! The present tense for buried is bury.
3. cable(s) (n.) *thick ropes of wire which electricity passes through.
4. connect(ed) (v.) *join together.
Eg. The computer is connected to the printer by a wire.
! connect usually takes the preposition to.
5. electricity (n.) * power that( comes through wires and) can make heat, sound and light, and move things.
6. energy (n.) * power that makes things work or makes people do things.
Eg. You need a lot of energy to play tennis.
7. explanation (n.) words that make clear or say what something means.
Eg. He had no explanation for why he was late.
8. form(s)sharps or kinds
Eg. Water has three forms ----- liquid, gas and solid.
9.grin (n.) a very wide smile.
Eg. There was a grin on his face when he opened his birthday presents.
! the word grin can also be used as a verb. The past and past participle form is grinned.
10. invisible ( a.) cannot be seen.
11. light bulb * the glass part of an electric lamp.
Eg. I cannot turn on the light, so I think I have to buy another light bulb.
12. meter (n.) * The machine that tells you the amount used.
Eg. The meter in the taxi will tell you how much you have to pay.
13. monthly (adv) done or happen every month.
Eg. People usually pay their rent monthly.
! Similar to monthly there is daily, weekly, yearly
II. Practise the new words:
at last ________ 7. explanation(n.) ________
bury, buried (v.) ________ 8. form(s) _________
cable(s) ________ 9. grin (n.) ________
connect(ed) ________ 10. invisible(a.) ________
electricity (n.)________ 11. light bulb _________
energy (n.) ________ 12. meter ( n.)_______
________ is very important.
We must save ________ .
My father is an __________ engineer.
This is an ________ clock.
That is an ______ cooker
Homework
1. Read and spell new words
2. Preparation (Reading P44－45) What is electricity
3. P44- 46 A., B,
Second period
Aims
To get a general idea of the story by listening and some skills of reading
To use different tones and facial expressions to act different characters.
Aids
Multiple-media aids and a cassette
Procedure
I. Pre-task preparation
1. Watch some pictures about the night view of the Bund on PPT
2. Talk about: What is electricity
3. Answer some questions to elicit the title ‘A dangerous servant’.
II. While-task procedure
1. Review some words and phrases about electricity.
energy, form, bill, meter, measure, amount, wire, bury, be connected to
2. Listen to paragraphs 1-3 and tell whether the sentences are true or false.
( ) 1. Daisy went to the supermarket to buy a packet of sweets.
( ) 2. Benny asked Daisy to buy a packet of electricity.
( ) 3. Benny thought Daisy was clever.
3. Read paragraphs 4-6 and correct some sentences:
1) Electricity flows through a pipe.
2) A meter measures the amount you use, and you get a bill for it weekly.
3) Electricity is less dangerous than water.
4) You must always take care of electricity.
4. Read paragraphs 4-8 after the tape and then fill in the blanks:
Electricity is a good _______. It flows through a ____. A _____ measures the amount you use and you get a ____ for it ________.It is like water in a _____. Electricity is _________. However, we can change it into ______________that we can _____, ______or _____.But sometimes electricity is much _______________.So we must _____________ it.
5. Name the things in the picture.
6. Learn paragraph 9-13.
1) Read paragraphs 9-13 and rearrange(排序）these sentences.
(a) It goes into the thin wires which are connected to the meter.
(b) Electricity comes from a power station.
(c) It goes into the thick wires that are buried under the street. These thick wires are connected to the meter in our flats.
(d) It comes into our flats.
2) Retell paragraph 9-13.
7. Learn paragraph14-21 by listening and answering the questions:
1) What did Daisy bring back
2) Are batteries electricity
3) Who looked foolish, Benny or Daisy
III. Post-task activity
Make a short play according to the story.
Daisy: I’m going to ….
Benny: Yes. Can you …
Daisy: Right.
Benny: She doesn’t even know …. She’ll really look ….
Mum: What is electricity
Benny: It flows through….
Dad: Can we see electricity
Benny: No. It’s….
Dad: But we can change it into …
Mum: How does it come into our flat
Benny: Well, first, it flows through… next,… are connected to …, then…
(Daisy comes back.)
Benny (politely): May I have…
Daisy: Yes, you may. Here it is.
Benny: But these are batteries!
Daisy: That’s right!
Benny: But… but …
Dad: Daisy’s right. The chemicals…
Daisy: Didn’t you know that, Benny？
Mum: Who’s looking foolish now, Benny
IV. Assignment
1. Read the text fluently.
2. Introduce electricity to your classmates.
3. Copy the new words and phrases we learned today.
4. Try to find some information on the Internet about how dangerous electricity is in our daily life.
Third period
I. Teaching aims
Modal verbs
II. key points and difficulty
III. Teach and practice some language points:
1. shall do/ should do
will do/ would do
can do/ could do/ be able to do
must do/ have to do
may do/used to do/ neen’t do
*May (Can) I _______ (come) in
* You must ______ (wash )your hands first.
* _______ I buy an ice-cream for you I ______ go shopping now.( shall/ should).
English is very important. You _______ study hard.. ( shall/ should)
* My father ______ come in three years. (will/ would)
_______ you pass me a book on the shelf. (will/ would)
* ________ you pass me a book on the shelf. (can/ could/ be able to)
I ______ swim.
* I ______ live far from school before, so I go to school by bus every day.
Now I live near school, I ______ go to school by bus. (used to do/ needn’t)
* Must I finish my homework now
Yes, you _______. No, you ________ .
3. She looks ________ ( happy / happily). She is looking ______ (happy /happily) at her baby.
4. Yesterday my English teacher looked ______ (sad/ sadly), Maybe she got a bad news.
5.These dumplings look _____ ( wonderful /wonderfully)
6.last week, my father looked _______ (happily/ sadly)at my report.
7. This is a ________ (polite /politely) boy.
He always speak _______ people.(polite /politely)
ment on the students’ yesterday home
P2 A,B,C
V. Homework
1. Read passage fluently
2. Spell Kao Gang words 1- 10
3. Review notebook
4. Finish P 46 C1，C2,C3,D,E1.
Fourth period
Teaching aims
Language P48 (Modal verbs )
Key point and difficulties
Using modal verbs correctly
Teaching process
I. Review modal verbs
*May (Can) I _______ (come) in
*English is very important. You _______ study hard.. ( shall/ should)
* I ______ swim. (can/ could)
* Must I finish my homework now
No, you ________ .
*Now I live near school, I ______ go to school by bus. (used to do/ needn’t)
II. Language
A1, read what Hi and Lo say about themselves. Then say if the sentences are T or F
finish A2 together.
B1( match)
Do in groups. Answer letter with “must” or” mustn’t”
Read and finishing C together.
Ask students to ask for another students permission to do something.
Using classroom context. Ask students to ask for teacher permission to do something.
(Teachers’ book P52)
III. Homework
1. G A1,B1, C.
Fifth period
Teaching aims
Review new words
at last, burry (buried) cable(s) connect electricity energy explanation form(s) grin in a way invisible light bulb meter monthly(month)
Review
1. look + 形容词, look at + 副词
2. 形容词比较, 最高级
3. 形容词,副词的用法.
key points and difficulties
Three degrees of Comparison of one-syllable adjectives and two-syllable adjectives
Teaching process
I. Have a dictation some new words
II. Review yesterday knowledge
1. She looks ________ ( happy / happily). She is looking ______ (happy /happily) at her baby.
2. Yesterday my English teacher looked ______ (sad/ sadly), Maybe she got a bad news.
3. These dumplings look _____ ( wonderful /wonderfully)
4. last week, my father looked _______ (happily/ sadly)at my report.
5. This is a ________ (polite /politely) boy.
6. He always speak _______ people.(polite /politely)
III. Three degrees of Comparison of one-syllable adjectives and two-syllable adjectives
1. He is _______ than you. ( taller / tallest / more tall )
2. The desks are ______ than those desks . A. bigger B. more bigger . C. more big
King Garden is ___________ than Green Garden. A. beautifuler B. more beautiful.
John does homework __________ than Tom.
A. carefully B. more carefully C. more careful
5. Fire is _________ than water.
A. much more dangerous B. more more dangerous
C. much dangerous D. dangerous
6. Teacher’s deck is _______ than student’s desk.
A. more big B. bigger
C.far bigger D. much more big
7. Mr Ling has been ill for a week. He is _________than miss Chen.
A. healthier B. less healthy C. more healthy D. little healthy
8. Jin Mao building is _________ in Shanghai.
A. the highest B. higher
9. John runs________ of the three boys.
A. faster B. fastest
10. It is one of _______ popular restaurant for a steak meal in the city.
A. more B. the more C. most D. the most
11. The Amazon is the second longest river in the world.
12. The steak tastes as _______as the chop.
A. delicious B. more delicious
13. He can sings as ________ as his sister.
A. well B. good C. better D. best
14. He isn’t so/as tall as his brother. (同一)
His brother is ______ _______ him.
15. Mary is 14 years old. Tom is 14 years old. (同一)
Mary is ______ ______ _______ as Tom.
Mary is ______ ______ _____ Tom.
ment on the students’ yesterday home
V. Homework
1. D,E.
2. Review the text
3. Review notebook
4. W P17P18
Sixth period
Teaching aims
Review new words and language points
Read the text fluently
Listening and speaking
Key points and difficulties
Read the text fluently
Listen carefully the paragraph because the students will not receive the information in the same order as that given for the appliances.
Teaching process
I. Revision
1. Comment yesterday’s homework
P44 C1C2C3 D E1
2. Have a dictation
3. Fill in the blanks
1) Can you ______ ( swim)
2) It is ten o’clock. You should ______ (go ) to bed now.
3. Mary is careful ______ his homework.
4) John is ________ (polite /politely)
5. Train goes _______ than bus. A. more more quickly B. much more quickly
II. listening
1. Review some words:
machine, seem, vacuum, It’ on (off)
Listen to the conversation and tick it
Checking the answers.
III. Speaking
Reading A1,A2,A3, and practice the pronunciation of the /I/, /n/.
Working in groups and conversation (B, Speak up)
IV. Homework
Listen to the and read the text.