Vocabulary Test

1. – Could I speak to Mr. Smith?

– Sorry, he isn’t … at the moment.

a. agreeable b. advisable c. available d. applicable

2. … experiment carbon and silicon are good conductors of heat and electricity.

a. Due to b. According to

c. According with d. Thanks to

3. An atom … protons and electrons.

a. consists b. produces c. provides d. contains

4. Non-ferrous metals … about 5% of metallic products.

a. make up b. make of c. consist of d. deal with

5. Some alloys have … qualities.

a. weak b. exceptional c. extreme d. deep

6. Alloying is an important method of obtaining properties of metals to … engineering requirements.

a. see b. need c. meet d. demand

7. This book … science of materials.

a. speaks about b. writes of

c. deals with d. reminds of

8. … is the process of treating things such as paper or steel so that they can be used again.

a. Processing b. Recovering c. Reducing d. Recycling

Grammar Test

1. Metals are the most abundant of materials to supply human’s present needs, … ?

a. isn’t it b. are they c. do they d. aren’t they

2. It is important … how the atoms are arranged in a grain of metal.

a. to know b. to knowing c. know d. knowledge

3. Metals … to the class of substances which are crystalline.

a. are belonging b. are belonged

c. belong d. have belonged

4. In ancient times people … to use certain materials.

a. have learned b. learned

c. are learned d. had learned

5. Metals of required properties … due to new technologies.

a. produce b. are supplied

c. are produced d. provide

6. Compounds are substances … of at least two different substances.

a. consisted b. consisting c. are consisting d. are consisted

7. A gas … condenses into a liquid.

a. cooled b. cooling c. cools d. are cooled

3.16. For fun and profit. Read the joke, then say what – field of physics the scientist worked in and what he discovered in 1919.

One evening E. Rutherford, an outstanding English physicist, director of the Cavendish Laboratory at Cambridge, dropped into the laboratory. Though it was late, he found one of his students working with some apparatus.

“ What are you doing here so late?” Rutherford asked.

“I’m working, sir,” was the reply.

“And what do you do in the daytime?”

“Why, I work, of course, sir,” answered the student.

“Do you work early in the morning, too?”

“Yes, I work, sir,” said the student, quite sure that the famous scientist would praise him.

Rutherford looked at him gloomily: “Tell me”, he asked with irritation, “when do you think?”

Unit 4. Engineering materials. Iron and ferrous metals

4.1. What do you know about iron? Say what it is, what kind of substance it is, what it looks like, whether it is a widespread element or not, what it is like (magnetic, ductile, strong, …), how and where it can be used.

4.2. Read the text Iron and Its Properties. Answer the following questions. What new have you learnt from the text?

Vocabulary

distinctive a	—	особый, характерный
referred to as	—	называемый, именуемый
alpha ferrite n	—	альфа-феррит
рersist v	—	сохраняться
austenite n	—	аустенит
reach v	—	достигать
hammering n	—	ковка