Chapter 17- Solids, Liquids And Gasses

Question 1

Describe how th particles in solids are organised

Answer 1

• very close together
• cannot move
• can vibrate

Therefore, can’t change shape or be compressed

Question 2

Describe how the particles of liquids are organised

Answer 2

• close to each other
• can slide past each other
• Do not change volume

Therefore, can change shape Ie. Flow, cannot be easily compressed

Question 3

Describe how particles in gas is organised

Answer 3

-particles free to move

Therefore, can be compressed, can change shape, and volume

Question 4

Diffusion

Answer 4

Movement of particles from an area of high concentration to an area of low concentration

Question 5

How does matter change state?

Answer 5

Heat gives energy to the particles and they move apart

Question 6

Definition of matter

Answer 6

Anything that occupies space and has mass