States Of Matter

Question 1

Matter

Answer 1

Anything that occupies space and has mass

Question 2

Mass

Answer 2

The memoir of mass In an object

Question 3

3 states of matter

Answer 3

Solid , liquid , gas

Question 4

Properties of a solid

Answer 4

Definite shape
Definite volume
Can’t be compressed
Cannot flow

Question 5

Properties of a shape

Answer 5

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

Question 6

Properties of gases

Answer 6

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

Question 7

heat energy

Answer 7

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

Question 8

latent heat.

Answer 8

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

Question 9

melting point

Answer 9

The melting point is when both the solid and liquid state exist together (changing from a solid to a liquid).

Question 10

boiling point

Answer 10

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

Question 11

Condensation

Answer 11

Condensation is the changing of a gas to a liquid

Question 12

Sublimation

Answer 12

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

Question 13

Diffusion

Answer 13

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