Particle theory

Question 1

Which state/s of matter can be compressed?

Answer 1

Gas only

Question 2

Which state/s of matter flow

Answer 2

Liquids and gases

Question 3

Which state/s of matter have a fixed volume?

Answer 3

Solids and liquids

Question 4

Draw the particle model diagram for a solid

Question 5

Draw the particle model diagram for a liquid

Question 6

Draw the particle model diagram for a gas

Question 7

Describe the arrangement of particles in a solid

Answer 7

Regular. Particles are touching

Question 8

Describe the arrangement of particles in a liquid

Answer 8

Random. Particles are touching

Question 9

Describe the arrangement of particles in a gas

Answer 9

Random. Particles are far apart

Question 10

Describe the movement of particles in a solid

Answer 10

Vibrate about a fixed position

Question 11

Describe the movement of particles in a liquid

Answer 11

Move around each other

Question 12

Describe the movement of particles in a gas

Answer 12

Move quickly in all directions

Question 13

Name the changes of state

Question 14

What is the melting point of water?

Answer 14

0 degrees celsius

Question 15

What is the freezing point of water?

Answer 15

0 degrees celsius

Question 16

How do the melting and freezing points of a substance compare?

Answer 16

They are the same

Question 17

What is the boiling point of water?

Answer 17

100 degrees celsius

Question 18

What causes pressure in a gas?

Answer 18

Gas particles colliding with the wall of their container

Question 19

What happens to the pressure of the gas when we increase the temperature?

Answer 19

The pressure increases