Properties of materials

Question 1

Hardness

Answer 1

SOLID

-Resistance to indentation

Question 2

Toughness

Answer 2

SOLID

-Resistance to breakage

Question 3

Malleability

Answer 3

SOLID

-Can be shaped without fracture

Question 4

Brittleness

Answer 4

SOLID

-Tendency to break with little or no shape change

Question 5

Ductility

Answer 5

SOLID

-Ability to be stretched into shape and keep new shape without pulling apart

Question 6

Plasticity

Answer 6

SOLID

-Ability to be readily forced into different shapes permanently without fracture

Question 7

Elasticity

Answer 7

SOLID

-Tendency to return to original shape after the force being applied to it is removed

Question 8

Vapour

Answer 8

GAS

• A gas that can be liquified by increasing pressure, without decreasing its temperature
• Name of a gas when it is below boiling point

Question 9

Volatile

Answer 9

LIQUID

-Readily evaporates (vaporises) at normal temperature

Question 10

Flammable

Answer 10

SOLID, LIQUID & GAS

• Material that will catch fire readily
• Inflammable means the same thing

Question 11

Flash point

Answer 11

LIQUID

-Temperature at which a combustable liquid will catch fire when exposed to a naked flame

Question 12

Toxicity

Answer 12

SOLID, LIQUID & GAS

-How poisonous a substance is

Question 13

Inert

Answer 13

SOLID, LIQUID & GAS

-Substance that will not chemically combine with another substance