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4. Read the information in the table from ex.3 again and find out which material (1-10) is best for:

a)

water pipes

b)

a knife for cutting a microscope lens

c)

connecting a socket to the electricity supply

d)

a bicycle frame

e)

television casing

(“Engineering” Workshop by Lindsey White, OUP; Unit 5, pg.6, ex.3)

5. Study the table in exercise 3 again and complete the following table.

verbs

adjectives

6. Match the properties from the table (1-6) with their opposites below. Use your glossary or dictionary to help you.

heavy tough opaque rigid weak soft

1

breaks easily

2

clear

3

easy to shape

4

hard

5

light

6

strong

(“Engineering” Workshop by Lindsey White, OUP; Unit 5, pg.6, ex.4)

7. Find as many materials in the following line as you can (11 words).

glassircementoptironsebrasssteelydimanplasticrzidiamondcopperonfibrealuminiumzincopl

8. Answer the following questions.

Which material… (or which materials…):

- is the strongest

  • is/are easy to shape

  • conducts electricity well

  • is/are found in people and fruits?

  • breaks easily

  • can be mixed with water?

  • is/are very light?

  • doesn’t rust?

  • can carry coded messages?

  • is/are used in jewelry?

  • is/are used in beer (or juice) production?

  • is/are used a lot on a building site?

  • is/are used in city advertising process

  • is/are used in manufacturing of cars, buses, airplanes, etc?

  • is/are widely used in cooking process?

  • is/are used in industry to cut hard materials?

9. Look at the following materials and complete the table.

A Material

B Properties

C Uses

1

wood

2

rubber

3

china