Properties Of Materials

Question 1

What is strength

Answer 1

Is the ability to withstand forces without breaking

Question 2

What is hardness

Answer 2

The ability to withstand scratching abrasion or denting

Question 3

What is toughness

Answer 3

If a material is hard to break or snap

Question 4

What is elasticity

Answer 4

Materials that can be stretched and bent and return to their original shape

Question 5

What is malleability

Answer 5

Materials that can be bent and shaped

Question 6

What is ductility

Answer 6

Materials that can be drawn into a wire

Question 7

What is electrical conductivity

Answer 7

Materials that can allow electricity to travel through them easily ie metals are good but plastics aren’t

Question 8

What is thermal conductivity

Answer 8

Materials that let heat travel through them easily

Question 9

What is fusibility

Answer 9

Materials that have a low melting point

Question 10

What is density

Answer 10

Density is the measure of mass per unit. Measured in kg/m3

Question 11

What is absorbency

Answer 11

Materials that are good at soaking up moisture such as fibres and fabrics

Question 12

Non metal properties

Answer 12

. Brittle
. Not always a solid at room temperature
. Poor electrical conductors
. Dull looking
. Low density

Question 13

Metal properties

Answer 13

. Strong
. Malleable
. Good conductors of heat AND electricity
. Have high boiling and melting points

Question 14

What is an alloy

Answer 14

Alloys are a mixture of 2 or more metals not chemically combined