What can be made of these materials?

Which material is the best for dishes?

Which is the best material for the following objects and why?

a folk, a football, a window, a bicycle, a plate

(“Engineering” Workshop by Lindsey White, OUP; Unit 5, pg.6, ex.1)

Read the information in the table below and put each heading into the correct column (A, B, or C). What is the order of materials in column “A”?

Uses Properties Material

A _________	B __________	C __________
aluminium	light, easy to shape	aircraft, window and door frames, cooking foil
brass (copper and zinc)	doesn’t rust in contact with air and water, strong	valves, taps
cement	mixed with water it dries to a hard material	pre-made building blocks, to hold bricks together
copper	easily made into wire, carries electricity well	electrical wire, tubing
diamond	hardest natural materials, can cut glass and metal	industrial cutting and grinding
glass	clear, hard, breaks easily	windows, bottles
iron	hard	engineering
mild steel (iron +0.15-0.3% carbon	hard, strong, quite easy to shape	bridges, ships, cars
optical fibre	carries light and coded messages	lighting, cable TV, telecommunications
plastic	light, strong, easy to shape	hard hats, computer casing

(“Engineering” Workshop by Lindsey White, OUP; Unit 5, pg.6, ex.2)

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)

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

verbs	adjectives

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

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

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

glassircementoptironsebrasssteelydimanplasticrzidiamondcopperonfibrealuminiumzincopl

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?

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