Solids Liquids Gases

Question 1

Qualities of a liquid

Answer 1

Runny
Wet
Can’t be squashed
Can flow

Question 2

Properties of a gas

Answer 2

Can be compressed
Can flow
Takes shape of container

Question 3

What is diffusion

Answer 3

Movement of one type of particle into and through another

Question 4

Why can liquids and gases diffuse

Answer 4

Because the particle moving all the time. Gases diffuse much quicker than liquids

Question 5

Define pressure

Answer 5

When the particles of a gas move around an area e.g. a balloon the ones that hit the wall give a force on the walls. This is the pressure

Question 6

What is the density

Answer 6

It’s the mass in a fixed volume

Question 7

What is the equation for density

Answer 7

Density = mass/volume

Question 8

What are the units for density

Answer 8

g/cm3

Question 9

Properties of solids

Answer 9

Can’t flow
Can’t be squashed
Fixed shape
Dry

Question 10

Why does liquid expand when heated

Answer 10

Because when heated the particles gain kinetic an edgy vibrating more and more meaning that they take up more