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Technical materials 2ºESO

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

Plastics are:

a)

Good electrical conductors

b)

Good thermal conductors

c)

Good acoustic conductors

d)

Good thermal isolators

2.

Wood is obtained from:

a)

Trunk trees

b)

Minerals and rocks

c)

Quarries

d)

Living beings degradation

3.

Hardwoods are obtained from:

a)

Slow grown trees

b)

Slow powerful trees

c)

Fast grown trees

d)

Slow powerful trees

4.

An ecological property of wood is:

a)

Hard materials

b)

porous

c)

recyclable

d)

Thermal isolators

5.

Which is not a wood derivative

a)

plywood

b)

fibreboard

c)

chipboard

d)

motherboard

6.

A gauge is

a)

a carving tool

b)

a measuring tool

c)

a drilling tool

d)

a planing tool

7.

Which of these is not a type of plastic?

a)

Thermoplastics

b)

Thermoisolators

c)

Thermosettings

d)

Elastomers

8.

Elastomers are characterized by their

a)

heat conduction

b)

electricity conduction

c)

lightness

d)

Elasticity

9.

Thermosettings can be recycled by heating it again

a)

true

b)

False

10.

Thermoplastics are:

a)

The softer ones

b)

The heavier ones

11.

We can manufacture raw materials through:

a)

Psichichal and chemical processes

b)

Psichichal and thermal processes

c)

Physical and chemical processes

d)

electrical and chemical processes

12.

The correct order is:

a)

manufactured goods- raw materials - processes

b)

raw materials - processes - manufactured goods

c)

manufactured goods - processes - raw materials

d)

processes - manufactured goods - raw materials

13.

Plastics come from

a)

Petrol and oil

b)

minerals and rocks

c)

Petrol and wood

d)

animal and mineral

14.

Rusting and oxidation are:

a)

physical properties

b)

chemical properties

15.

Biodegradable is a:

a)

mechanical property

b)

physical property

c)

vetegable property

d)

ecological property

16.

Metals that content iron in its composition are called:

a)

ironed metals

b)

ferrous metals

c)

ironing metals

d)

good metals

17.

We can decrease de section of a metal through:

a)

moulding

b)

wire drawing

c)

shaping

d)

forging

18.

which is not a type od casting

a)

sand casting

b)

die casting

c)

wax casting

d)

wood casting

19.

wood is a very good ____________ isolator

a)

mechanical

b)

mineral

c)

thermal

d)

optical

20.

Softwoods are obtained from

a)

fast grown trees

b)

slow grown trees

c)

fast grown animals

d)

fast grown lights

21.

Which of these has a vegetable origin

a)

marble

b)

wood

c)

Iron

d)

thermoplastic

22.

Plastics are malleable and

a)

expensive

b)

ductille

c)

heavy

d)

green

23.

The opposite of conductor is

a)

mechanical

b)

mineral

c)

isolator

d)

toxic

24.

Elatomers are characterized by their:

a)

color

b)

ductility

c)

elasticity

d)

fragility

25.

Neoprene is a kind of

a)

wood

b)

metal

c)

ceramic

d)

plastic

26.

Water bottles are made in:

a)

Thermoplastics

b)

elastomers

c)

thermosettings

d)

wood

27.

Plastics are called that way because of their:

a)

Heaviness

b)

ductility

c)

elasticity

d)

plasticity

28.

Plastics can be easily

a)

shaped

b)

measured

c)

bought

d)

recycled

29.

Which of these is a plastic property:

a)

heavy

b)

expensive

c)

fragile

d)

light

30.

The most fragile material is:

a)

plastic

b)

metal

c)

wood

d)

ceramics

31.

glass is a kind of:

a)

plastic

b)

metal

c)

wood

d)

ceramics

32.

Can we manufacture a pan just in metal?

a)

yes but it would be useless

b)

no because metals are electrical isolators

c)

yes and it would be great

d)

no because metals are thermal isolators

33.

Could we build a chair in a thermoplastic?

a)

No, it would break

b)

No, it would talk

c)

No, it would fly

d)

yes, of course

34.

Is it possible to manufacture a wire in wood?

a)

yes, electricity would go faster

b)

yes, sound would travel better

c)

yes, electricity would be cheaper

d)

yes but it would be useless

35.

Metals have:

a)

Good thermal isolation

b)

Good electrical isolation

c)

Good eletrical conduction

d)

Good mechanical conduction

36.

Which is the best material for fooding?

a)

Plastic

b)

wood

c)

metal

d)

Ceramics

37.

Would it be a good idea to build a bathroom in wood?

a)

No because wood is not thermal isolator

b)

No because wood is not electrical isolator

c)

No because wood is not acoustic isolator

d)

No because wood is not waterproof

38.

Which is the bes material to make electrical wires?

a)

metal

b)

plastic

c)

wood

d)

ceramics

39.

Mahogany is a kind of

a)

plastic

b)

metal

c)

wood

d)

ceramics

40.

Steel is a kind of:

a)

Metal

b)

Wood

c)

Plastic

d)

Ceramics

41.

Thermosettings is a kind of:

a)

Metal

b)

Plastic

c)

Wood

d)

Ceramics

42.

The easiest material to shape is:

a)

Wood

b)

Ceramics

c)

Plastic

d)

Metal

43.

Carving is a technique for shaping:

a)

Plastic

b)

Metal

c)

Wood

d)

Ceramics

44.

Fibreboard is a derivative from

a)

Metal

b)

Ceramics

c)

Plastic

d)

Wood

45.

Copper is a kind of:

a)

Metal

b)

Plastic

c)

Wood

d)

Ceramics

46.

The way a metarial reacts to external stimuli is determined by their:

a)

Mechanics

b)

Origin

c)

Properties

d)

Classification

47.

Which of these materials is obtained from minerals and rocks

a)

Pine

b)

PET

c)

PVC

d)

Marble

48.

Products made by human to satify their needs are called:

a)

Manufactured materials

b)

Manufactured goods

c)

Manufactured bads

d)

Manufactured plastics

49.

Which one is not an ecological property:

a)

Oxidation

b)

Recyclable

c)

Biodegradable

d)

Toxic

50.

Forging, extrusion, wire drawing and casting are techniques to shape:

a)

Wood

b)

Ceramics

c)

Metals

d)

Plastic

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