States Of Matter

Question 1

What is matter

Answer 1

Anything that takes up space and has mass

Question 2

Mass

Answer 2

The amount of matter in an object

Question 3

Particle theory

Answer 3

The idea that everything is made form small particles

Question 4

Types of matter

Answer 4

Solid, liquids and gases

Question 5

Solids have:

Answer 5

Definite shape, mass,volume. Incompressible, doesn’t flow, vibrates

Question 6

Liquids have:

Answer 6

No definite shape and volume. Easily compressible, slide over each other. Definite mass

Question 7

Gases have:

Answer 7

No definite shape, volume. Easily compressible. Definite mass. Far apart from each other. Diffuses info available spaces

Question 8

Diffusion

Answer 8

The spreading of particles form an area of high concentration, to low concentration

Question 9

Factors that affect the speed of diffusion

Answer 9

Temp, size and state

Question 10

Why does diffusion not happen in solids?

Answer 10

Because they don’t move

Question 11

Solid to liquid is:

Answer 11

Melting

Question 12

Liquid to gas:

Answer 12

Boiling

Question 13

What is boiling point

Answer 13

Temp a liquid changes to a gas at

Question 14

Physical change

Answer 14

No new substance is formed

Question 15

Liquid to solid:

Answer 15

Freezing

Question 16

Gas to liquid

Answer 16

Condensation

Question 17

Law of conservation of mass

Answer 17

Matter can’t be created/destroyed but can change from one to another