
Public learning track
Conservation, Dissipation, and Efficiency
10th Grade · Science · UK GCSE
5 lessons
Goal
Explain the law of conservation of energy, analyse energy dissipation, and calculate efficiency in energy systems
5 lessons
0 of 5 done
- 1Isolated Systems: When Total Energy Stays ConstantUp nextStart
- 2Energy Dissipation and Wasted Thermal EnergyPremiumNot started yet
- 3Calculating Efficiency and Reducing Unwanted Energy TransfersNot started yet
- 4Drawing and Interpreting Sankey DiagramsNot started yet
- 5Methods of Increasing Energy Efficiency in Machines and BuildingsNot started yet
Standards Covered
- UK-GCSE-SCIENCE-PHYS-ENG-02General Certificate of Secondary Education (GCSE) · Science · Year 11 (GCSE) · Grade 10Conservation, dissipation and national and global energy sources
- UK-GCSE-SCIENCE-PHYS-ENG-02-01General Certificate of Secondary Education (GCSE) · Science · Year 11 (GCSE) · Grade 10describe with examples where there are energy transfers in a system, that there is no net change to the total energy of a closed system (qualitative only)
- UK-GCSE-SCIENCE-PHYS-ENG-02-02General Certificate of Secondary Education (GCSE) · Science · Year 11 (GCSE) · Grade 10describe, with examples, how in all system changes, energy is dissipated, so that it is stored in less useful ways
- UK-GCSE-SCIENCE-PHYS-ENG-02-04General Certificate of Secondary Education (GCSE) · Science · Year 11 (GCSE) · Grade 10calculate energy efficiency for any energy transfer, and describe ways to increase efficiency
- UK-GCSE-SCIENCE-PHYS-ENG-03-01General Certificate of Secondary Education (GCSE) · Science · Year 11 (GCSE) · Grade 10make calculations of the energy changes associated with changes in a system, recalling or selecting the relevant equations for mechanical, electrical, and thermal processes; thereby express in quantitative form and on a common scale the overall redistribution of energy in the system (1a, 1c, 3c)
- UK-GCSE-SCIENCE-PHYS-ENG-02-03General Certificate of Secondary Education (GCSE) · Science · Year 11 (GCSE) · Grade 10explain ways of reducing unwanted energy transfer e.g. through lubrication, thermal insulation; describe the effects, on the rate of cooling of a building, of thickness and thermal conductivity of its walls (qualitative only)
Curriculum Framework
10th Grade · Science · UK GCSE
1
6 lessons
Energy Stores and System Changes
Identify energy stores and describe energy transfer pathways in everyday physical systems
2
6 lessons
Calculating Energy in Stores
Calculate kinetic, gravitational potential, elastic potential, and thermal energy changes using standard GCSE physics formulas
3
5 lessons
Power and Domestic Appliance Energy
Define power, calculate energy transfers in domestic appliances, and evaluate electrical power ratings
4
5 lessons
Conservation, Dissipation, and Efficiency
Explain the law of conservation of energy, analyse energy dissipation, and calculate efficiency in energy systems
5
5 lessons
Thermal Energy Transfers and Insulation
Analyse thermal conduction, convection, and radiation, and investigate factors affecting building heat loss
6
6 lessons
Global Energy Resources and Trends
Compare renewable and non-renewable energy resources, evaluating environmental impacts and shifting usage trends
7
4 lessons
Forces and Their Interactions
Identify contact and non-contact forces, represent force vectors, and analyse Newton's third law interaction pairs
8
4 lessons
Mass, Weight, and Gravitational Fields
Distinguish between mass and weight, calculate weight using W = mg, and describe gravitational field strength
9
4 lessons
Resultant Forces and Free Body Diagrams
Construct free body diagrams, calculate resultant forces, and evaluate systems in static and dynamic equilibrium
10
5 lessons
Work Done as Force × Distance
Calculate mechanical work done, relate work done to energy transfers, and evaluate work done against friction
11
6 lessons
Elasticity and Hooke's Law
Investigate stretching, bending, and compression, apply Hooke's law, and calculate elastic work done
12
5 lessons
Synoptic Energy Calculations and System Redistribution
Perform complex multi-step energy calculations across mechanical, thermal, and electrical processes
13
6 lessons
Vector Diagrams, Resolution of Forces, and Equilibrium
Use scale diagrams to resolve coplanar forces, calculate resultant forces, and evaluate static equilibrium conditions without trigonometry.
14
5 lessons
Stored Energy, Energy Transfers, and Unit Equivalence
Calculate energy stored and transferred across mechanical systems, convert between newton-metres and joules, and apply compound units fluently.