CLARITY | CONFIDENCE | CURIOSITY
Energy
Explore energy stores, transfers, power and efficiency, from everyday systems to national energy resources.
Lessons
Explore the lessons below to build your knowledge and confidence across this topic. Each lesson breaks the physics down into clear, manageable steps, with explanations, practice and exam-focused activities to help you understand the key ideas and apply them successfully.
Energy Stores and Systems
01
Explore energy stores and store changes in a chosen system.
Kinetic Energy
02
Explore kinetic energy and its units and kinetic energy from mass and speed.
Gravitational Potential Energy
03
Explore gravitational potential energy and changes using mass, field strength and height.
Elastic Potential Energy
04
Explore elastic potential energy and stored energy using spring constant and extension.
Specific Heat Capacity
05
Explore specific heat capacity and units and thermal energy changes.
Specific Heat Capacity Required Practical
06
Explore measurements for specific heat capacity and the investigation and its controls.
Power
07
Explore power as a rate of energy transfer and power, energy or time.
Energy Transfers
08
Explore energy-transfer pathways and useful and dissipated transfers.
Efficiency
09
Explore useful output and total input and decimal and percentage efficiency.
Reducing Unwanted Energy Transfers
10
Explore methods of reducing unwanted transfers and a controlled insulation comparison [separate physics practical].
Global Energy Resources
11
Explore renewable and non-renewable resources and uses and interpret resource-use trends.