By the end of the lesson, you should be able to:
identify energy values for foods and fuels
compare the energy in food & fuels with the energy needed for different activities
calculate energy requirements for various situations, considering diet & exercise
By the end of the lesson, you should be able to:
describe the difference between a renewable and non-renewable energy resource
describe how electricity is generated using fossil fuels or renewable resources
explain the advantages and disadvantages of different energy resources
By the end of the lesson, you should be able to:
give the definitions of energy and power
describe the link between power, fuel and the cost of using domestic appliances
predict the power requirements of different home devices, and compare their energy usage and how much they cost to run
By the end of the lesson, you should be able to:
state the definition of conservation of energy
describe energy stores before and after a change, including stores relating to an object’s speed, temperature, height or shape
explain what brings about transfers in energy between stores
By the end of the lesson, you should be able to:
state what dissipation means
calculate useful energy and wasted energy from input and output energy
evaluate methods of reducing energy dissipation