Lesson

Learning Outcomes

Notes

1 - Radiation I

• Know that radiation is absorbed and emitted by all objects.

• Be able to compare the effectiveness of different surfaces as emitters, by considering the nature of the surface.

Key terms: infrared, emission, absorption.

2 - Radiation II

• Be able to compare the effectiveness of different surfaces as absorbers, by considering the nature of the surface.

• Be able to describe and explain how these properties are used to design more effective appliances and buildings.

3 - Kinetic Theory

• Be able to describe the differences between the arrangement of the particles in solids, liquids and gases.

• Use these concepts to explain the behaviour of materials undergoing heating in a variety of contexts.

key terms: particles, expand, contract

higher: atoms, molecules

4 - Conduction

• Carry out a practical task to investigate the relative conductivity of a range of materials.

• Describe the process of conduction in terms of the transport of vibrational energy by free electrons.

Key terms: atom, vibrate, conduct, conductor, insulator

higher: vibrational energy, ion, free electron

5 - Conduction II

Extended writing opportunity

• Complete an extended writing task to explain why some materials are more effective conductors than others.

Key terms: atom, vibrate, conduct, conductor, insulator

higher: vibrational energy, ion, free electron

6 - Convection

• Carry out a practical task to investigate convection.

• Describe the process of convection in terms of the movement and changing density of regions of fluid undergoing heating or cooling.

Key terms: convection, convection current, rise, sink

higher: density, ascend, descend, energy, particles

7 - Convection II

• Observe two demonstrations showing convection in a beaker and a large tank of water

• Describe weather systems in terms of the movement and changing density of regions of air undergoing heating and cooling.

Key terms: convection, convection current, rise, sink

higher: density, ascend, descend, energy, particles

8 - Evaporation and condensation I

Extended writing opportunity

• Observe the cooling effects of evaporation.

• Describe and explain heating and cooling processes involving evaporation and condensation in terms of the energy of the particles involved.

Key terms: evaporation, condensation, particles, energetic, distribution, escape, average thermal energy, rate, heat, cooling, trapped.

9 - Evaporation and condensation II

• Investigate factors affecting the rate of evaporation.

• Compare the cooling effect produced as the rate of evaporation is altered.

• Describe and explain processes involving evaporation and condensation, and compare different scenarios in terms of the rate of evaporation.

Key terms: evaporation, condensation, particles, energetic, distribution, escape, average thermal energy, rate, heat, cooling, trapped.

10 - Energy transfer by heating I

11 - Comparing energy transfers

12 - Heating and insulating buildings

• Be aware of the main areas heat energy is lost from a building.

• Describe a range of methods that can be used to reduce heat loss from a building.

• Explain how the various methods of reducing heat loss work in terms of conduction, convection and radiation of heat energy.

13 - U Values

• Understand that U-values can be used to compare the effectiveness of different insulating materials.

• Be able to compare the effectiveness of different insulating materials, given their U-values.

• Know the definition of a U-value and be able to carry out calculations of the amount of heat lost from various parts of the building, given information about the dimensions, U-values and temperature difference.

14 - Solar Panels and Payback time

• Know that

• Be able to

• Be able to

15 - Specific Heat Capacity

• Know that

• Be able to

• Be able to

16 - Uses of Specific Heat Capacity

• Know that

• Be able to

• Be able to