Particles Recap

Which way will the particles move?

• Left

• Right

What happens when we heat a substance

• Particles have more energy

• Particles have less energy

• Energy levels stay the same

Does increasing temperature make diffusion faster?

• yes

• no

What is condensation?

• Solid turns to liquid

• Gas turns to liquid

• Liquid turns to gas

• Solid turns to gas

What temperature does water freeze?

• 0 c

• 32 c

• 100 c

• -5 c

Hydrogen + Oxygen = Water. What is water?

• Product

• Reactant

10g Oxygen + 5g Hydrogen = ??g Water

• 15

• 20

• 30

• 5

A substance is made up of a combination of substances. We say it is

• Pure

• Impure

What is this process?

• Distillation

• Filtration

• Evaporation

What is this process?

• Filtration

• Evaporation

• Distillation