1.3 - States of matter

Question 1

What are the three states of matter?

Answer 1

Solid, liquid and gas

Question 2

What four properties are used to describe each state of matter?

Answer 2

Flow
Shape
Volume
Density

Question 3

Describe a solid (2)

Answer 3

• Particles vibrate around fixed positions

- Therefore, the solid has a fixed shape

Question 4

Describe a liquid (4)

Answer 4

• Particles are in contact with each other
• But they can move about at random
• So the liquid has no fixed shape
• And can flow

Question 5

Describe a gas (5)

Answer 5

• Particles are far apart
• And move at random much faster
• So the gas has no fixed shape
• And can flow
• A gas also has a much lower density than solid and liquids