Bài giảng Tiếng Anh Lớp 8 - Unit 11: Science and technology - Lesson 2: A closer look 1

Nội dung text: Bài giảng Tiếng Anh Lớp 8 - Unit 11: Science and technology - Lesson 2: A closer look 1

1. Good morning! Everybody
2. UNIT 11: SCIENCE AND TECHNOLOGY Lesson 2: A Closer look 1 (P.50)
3. VOCABULARY 1. Study‘ (v): nghiên cứu 2. Archaeologist (n): nhà khảo cổ 3. Explorer (n): người thám hiểm 4. Conservationist (n): nhà bảo tồn 5.Marine (adj): (thuộc về) biển
4. + Look out! - We add -er, -or, or -ist to a verb or noun to form a noun indicating people. Example: -to learn -> learner - to invent -> inventor - Science -> scientist
5. EXERCISE : 1. To work → Worker 2. To visit → Visitor 3. Art → Artist 4. To retail → Retailer
6. Activity 1. Complete the following sentences with nouns indicating people. 1. A person who gives advice is an ___.adviser 2. A scientist who studies chemistry is a ___chemist .
7. Activity 1. Complete the following sentences with nouns indicating people. 3. A person whose job is to design things is a designer___ . 4. A person whose job is writing programmes for computers is a ___ . programmer 5. A marine ___biologist is a scientist who studies.
8. Activity 2. Write a noun from the list under each picture doctor chemist physicist archaeologist explorer engineer software developer conservationist Who’s this? software 1. chemist 2. 3. engineer 4. physicist developer 5. doctor 6. conservationist 7. explorer 8. archaeologist
9. Activity 3. Give the correct form of the words in brackets. 1. Every day we hear about new (develop) ___development in science and technology. 2. Einstein was one of the greatest (science) ___scientist in the world. 3. The USA is a world leader in space (explore) ___explorer . 4. Advances in (medicine) ___medical science will help people live longer in the future. 5. There is a link between (economy) ___economic development and the environment.
10. Pronunciation Stress in words starting with un- and im- - When we add the prefix un- or im- (meaning ‘not’) to a root word, the stress of the word does not normally change. Example: - 'friendly → un'friendly - 'probable → im'probable Note: When we add the prefix un- or im- to a one-syllable word, the stress falls on the root word. Example: - fair → un'fair - pure → im'pure
11. Activity 4. Listen and repeat the following words. Mark the stressed syllables in the words. unforeseen unlucky immature unwise impatient unhealthy impure unhurt impossible unlimited Unnatural impolite
12. Activity 5. Put the words from 4 in the right columns. oO oOo ooO oOoo
13. Activity 5. Put the words from 4 in the right columns. oO oOo ooO oOoo Unwise Unlucky Impolite Impossible Impure Impatient Unforeseen Unlimited Unhurt Unnatural Immature Unhealthy
14. Activity 6. Fill the gaps with one of the words in 5. Listen and check, then read the sentences. 1. The teacher said this water was ___impure and couldn’t be used in our experiment. 2. Scientists have identified a link between an ___unhealthy diet and diseases. 3. This job would be ___impossible without the help of a computer. 4. Our natural resources are not ___unlimited . 5. It’s no good being ___impatient with small children.
15. - Learn vocabulary by heart and rewrite them in sentences. - Prepare for a closer look 2.