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

Definite shape
Definite volume
Cannot be compressed
Cannot flow

Question 4

Properties of liquids

Answer 4

No definite shape
a definite volume
cannot be compressed
can flow

Question 5

Gases

Answer 5

No definite shape
No definite volume
Can be compressed
Can flow

Question 6

Energy

Answer 6

In order fora substance to change state (from a solid to a liquid , or liquid to a gas) it needs heat energy
As a substance changes state , it uses latent heat. There is no change to tempature, but the state of the material changes

Question 7

Melting point

Answer 7

The melting point is when both the solid and the liquid state exist yo get her ( changing from a solid to a liquid)

Question 8

Boiling point

Answer 8

The boiling point of a liquid is when evaporation begins to happen throughout the liquid ( changing from a liquid to a gas

Question 9

Condensation

Answer 9

Condensation is the changing of a gas to a liquid

Question 10

Sublimation

Answer 10

Some substances do not change from a solid to a liquid when they melt , they change straight from a solid to a gas . E.G solid carbon dioxide is known as dry ice and turns onto a gas when it’s heated.

Question 11

Diffusion

Answer 11

Diffusion 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