Materials Flashcards

1
Q

What is the definition of Hardness?

A

A hard material cannot have its shape changed very easily and will dent or scratch a softer material.
E.g. Diamond, steel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the definition of Strength?

A

A strong material is very difficult to break when it is stretched or squeezed.
E.g. Reinforced concrete, steel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the definition of flexibility?

A

A flexible material can be bent easily without breaking.

E.g. Rubber, and bendy plastic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the definition of elasticity?

A

An elastic material can be stretched but will go back to its original shape when it’s released.
E.g. Elastic bands, springs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Attraction to a magnet; what would some magnetic materials be?

A

Iron, steel, nickel and cobalt.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the definition of toughness?

A

A tough material is difficult to break by hitting it with another object.
E.g. Wood, most metals and some plastics.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the definition of brittleness?

A

A brittle material breaks easily if it is hit.

E.g. Ceramics, glass and some plastics.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly