Physics · Triple Science Higher
Energy
Spec 4.1Paper 12 required practicals8 subtopics
Subtopics
1
Energy Stores and Systems
Describe energy stores and identify how energy is transferred between stores in different systems.
2
Changes in Energy
Calculate kinetic energy, gravitational potential energy and elastic potential energy.
3
Energy Changes in Systems
Use specific heat capacity to calculate energy changes when substances are heated or cooled.
4
Power
Define power as rate of energy transfer and calculate power from energy and time.
5
Energy Transfers in a System
Describe how energy is conserved, dissipated and how unwanted transfers can be reduced.
6
Efficiency
Calculate efficiency as a decimal or percentage and interpret Sankey diagrams.
7
Energy Resources
Compare renewable and non-renewable energy resources, their uses and environmental impacts.
8
Thermal Conductivity and Reducing Unwanted Energy Transfers
Explain thermal conductivity and describe how insulation reduces unwanted energy transfers.
Higher tier only
Elastic potential energy: E = ½ke²
Derivation of KE formula
Triple science extension
Thermal conductivity and insulation (RP2)
Next topic
Electricity