States Of Matter

Question 1

Matter

Answer 1

Anything that occupies space and has mass

Question 2

Mass

Answer 2

Is the amount of matter in an object

Question 3

Properties of solids

Answer 3

1.definite shape
2.definite volume
3.cannot be compressed
4.cannot flow

Question 4

Properties of liquids

Answer 4

1.have no definite shape 2.have a definite volume 3.cannot be compressed 4.can flow

Question 5

Gases

Answer 5

1.have no definite shape 2.no definite volume 3.can be compressed 4.can flow

Question 6

Heat energy

Answer 6

In order for a substance to change state (from a solid to a liquid,or liquid to a gas) it needs heat energy

Question 7

Latent heat

Answer 7

As a substance changes state,it uses latent heat.There is no change to temperature,but the state of material changes.

Question 8

The melting point

Answer 8

Is when both the solid and liquid state exist together.(changing from a solid to liquid )

Question 9

The boiling point

Answer 9

Of a liquid is when evaporation begins to happen throughout the liquid(changing from a liquid to a gas).

Question 10

Condensation

Answer 10

Is the changing of a gas to a liquid.

Question 11

Sublimation

Answer 11

Some substances do not change from a solid to a liquid when they melt,they change from a solid to a gas. E.g solid carbon dioxide is known as dry ice and turns into a gas when heated.

Question 12

Diffusion

Answer 12

Is the movement of particles from an area of high concentration to an area of low concentration e.g spray perfume in one corner of the room,and it spreads to the rest of the room.