P6 - Molecules and matter

Task 2b: Make notes that:

• Define density.

• Give the equation for calculating density.

• Describe how the density of liquid, regular and irregular shapes can be found by experiment.

• Calculate the density, mass or volume of an object given any two other values.

• Complete the calculations on slide 14 and mark your answers using slide 15

Task 3b: Make notes that:

• Describe the arrangement of particles in solids liquids and gasses

• Explain the different properties of solids liquids and gasses based on their particle arrangement

• Explain why gases are less dense than solids and liquids

• Explain why a substance that changes state stays the same mass

• Complete the table on slide 12

Task 4b: Make notes that:

• Give the different changes of state.

• Describe what happens to temperature during a change of state

• Explain what happens to temperature during a change of state for both heating and cooling.

• Compare boiling and evaporating

Task 5c: Complete the progress quiz:

Task 6b: Make notes that:

• Define latent heat

• List factors that affect the energy needed for a change of state to occur

• Define specific latent heat of fusion

• Define specific latent heat of vaporisation

• Give the equation for calculating specific latent heat, including units

Task 7b: Make notes that:

• Describe the motion of particles in a gas

• Explain what causes gas pressure

• Describe the relationship between pressure and temperature

• Explain why an increase in temperature leads to an increase in pressure

Task 9: - Complete the quiz for your set to make sure you understand this topic.

Example exam questions