Unit 11 grade 8: Science And Technology – A Closer Look 1

1. Vocabulary

1.1. Task 1 Unit 11 grade 8

Complete the following sentences with nouns indicating people. (Complete the following sentences with person nouns.)

Guide to answer

first. A person who gives advice is an adviser/ advisor.

(A person who gives advice is a mentor.)

2. A scientist who studies chemistry is a chemist.

(A scientist who studies chemistry is a chemist.)

3. A person whose job is to design things is a designer.

(A person whose job is to design objects is a designer.)

4. A person whose job is writing programs for computers is a programmer.

(A person whose job it is to write programs for computers is a programmer.)

5. A marine biologist is a scientist who studies life in the sea.

(An underwater biologist is someone who studies life in the sea.)

1.2. Task 2 Unit 11 grade 8

Write a noun from the list under each picture. (Write a noun from the list below each picture.)

Guide to answer

1. chemist (chemist)

2. software developer (computer software developer)

3. engineer (engineer)

4. physics (physicists)

5. doctor (doctor)

6. conservationist (environmentalist)

7. explorer (Explorer)

8. archaeologist (archaeologist)

1.3. Task 3 Unit 11 grade 8

Give the correct form of the words in brackets. (Give the correct form of the words in brackets.)

Guide to answer

first. Everyday we hear about new developments in science and technology.

(Every day we hear about new developments in science and technology.)

2. Einstein was one of the greatest scientists in the world.

(Einstein is one of the greatest scientists in the world.)

3. The USA is a world leader in space exploration.

(The United States is a leader in space exploration.)

4. Advances in medical science will help people live longer in the future.

(Advances in medical science will help people live longer in the future.)

5. There is a link between economiac development and the environment.

(There is a link between economic development and the environment.)

2. Pronunciation

Stress in words starting with un- and im- (Put sounds in words that start with un- and im-)

2.1. Task 4 Unit 11 grade 8

Listen and repeat the following words. Mark the stressed syllables in the words. (Listen and repeat the following words. Tick the words.)

Click to listen

Guide to answer

2.2. Task 5 Unit 11 grade 8

Put the words from 2.1 in the right columns. (Put the words in section 2.1 in the correct column.)

Guide to answer

2.3. Task 6 Unit 11 grade 8

Fill the gaps with one of the words in 2.2. Listen and check, then read the sentences. (Fill in the blank with one of the words in section 2.2. Listen and check, then read the sentences.)

Guide to answer

first. The teacher said this water was impure and couldn’t be used in our experiment.

(The teacher said this water is not pure and cannot be used in our experiment.)

2. Scientists have identified a link between an unhealthy diet and diseases.

(Scientists have identified a link between unhealthy diets and diseases.)

3. This job would be impossible without the help of a computer.

(This job would not be possible without the help of a computer.)

4. Our natural resources are not unlimited.

(Our natural resources are not limitless.)

5. It’s no good being impatient with small children.

(It’s not good to lose patience with young children.)

3. Practice Task 1

Choose the letter A, B, C or D to complete the sentences

Question 1: If the teacher were here now, we’d ask him the difference __________ “science” and “technology”.

A. and B. between C. of D. on

Question 2: A person who plays the piano is a(n) __________.

A. novelist B. pianist C. checklist D. dentist

Question 3: The first experiment was __________, so we need to do another one.

A. unsuccess B. success C. unsuccessful D. successful

Question 4: The US first __________ of the Moon began with the Ranger 4 impactor in 1962.

A. exploration B. explosion C. experiment D. excitement

Question 5: He said: “I like to do physics experiments.”

A. He said that he liked to do physics experiments.

B. He said that he likes to do physics experiments.

C. He said that he had liked to do physics experiments.

D. He said that he did like to do physics experiments.

4. Practice Task 2

Choose the letter A, B, C or D the word that has different stress pattern from others.

Question 1: A. improve B. invent C. science D. support

Question 2: A. engine B. invent C. patent D. science

Question 3: A. quality B. benefit C. enormous D. technical

Question 4: A. oversleep B. interact C. underground D. discover

Question 5: A. precise B. science C. engine D. concert

5. Conclusion

At the end of this lesson, you need to do enough exercises and practice how to stress sounds in words that start with -un and -im; at the same time improve vocabulary by memorizing the words in the lesson:

• advisor (n): advisor
• chemist (n): chemist
• designer (n): designer
• programmer (n): programmer
• biologist (n): biologist
• conservationist environmentalist
• explorer: explorer
• archaeologist: archaeologist
• physicist: physicist
• impure (adj): impure
• unhealthy (unhealthy >< healthy: healthy
• patient: patient >< impatient: impatient