Week 4 Part 4

Question 1

What four things do you need to think about when talking about the states of matter?

Answer 1

• Shape and volume
• The distance between particles
• The movement of particles
• The forces between particles

Question 2

What are the characteristics of liquids?

Answer 2

• Weak forces of attraction between particles, they are free to move past each other
• Have a definite volume but not a definite shape
• Constantly moving with random motion

Question 3

What are the characteristics of gases?

Answer 3

• Weak forces of attraction between the particles
• They are free to move
• Don’t keep a definite shape or volume
• Move in random motion

Question 4

What are the characteristics of solids?

Answer 4

• Strong forces of attraction between particles
• Lattice arrangement
• Fixed volume and shape
• Particles vibrate