BARCELONETA: ESO1 A4 Materials

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1 The most common materials (processed raw materials) which are used to build objects, or machines are:

1 Concrete, cement and glue

2 Wood, metals and plastics.

3 Agglomerates, conglomerates and alloys

4 Coal, oil and natural gas.

2 Which of these characteristics correspond to physical properties. (not mechanical)?

1 Hardness

2 Plasticity

3 Density

4 Tenacity

3 Which of these characteristics correspond to mechanical properties. (not physical)?

1 Malleability

2 Thermal conductivity

3 Electrical conductivity

4 Density

4 What is the name given to a material made by melting or fusion and mixing two metals?

1 Additives.

2 Alloys.

3 Agglomerates or conglomerates

4 Recycled or reused.

5 What happens when we increase the temperature of a metal?

1 It compresses

2 It dilates and melts.

3 It solidifies

4 It gets frozen

6 Where does plastic come from (its origin)?

1 The wood

2 Inorganic matter.

3 Organic matter.

4 The oil.

7 What kind of problem does wood have as an organic material?

1 Moisture, because it deforms it.

2 The corcat, because it is eaten by insects

3 Dilation, because it lengthens when heated

4 All answers are correct.

8 Which of these forms of processed wood is not correct?

1 Plywood plates

2 Particleboard

3 Beams

4 Filaments

9 Which of these metals are non-ferrous?

1 Iron

2 Aluminum

3 Steel

4 Steel Foundry

10 What do we call a material that keeps things dry?

1 Transparent

2 Waterproof

3 Flexible

4 Soft

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