1.7.3 Energy resources
- Syllabus
- 0625–2026–2027
- Topic
- 1.7.3
- Level
- —
1.7.3.1—Energy/electrical power sources: (a)
- Describe useful energy/electrical power sources: (a) fossil fuels (b) biofuels (c) water: waves, tides and hydroelectric dams (d) geothermal resources (e) nuclear fuel (f) sunlight for solar cells (g) infrared/other EM waves for solar water heating and wind energy, including boilers, turbines and generators where used
1.7.3.2—Advantages and disadvantages of each
- Describe advantages and disadvantages of each method in terms of renewability, availability, reliability, scale and environmental impact
1.7.3.3—Understand, qualitatively, the concept
- Understand, qualitatively, the concept of efficiency of energy transfer
1.7.3.4—Radiation from the Sun is the main
- Know: radiation from the Sun is the main source of energy for all our energy resources except geothermal, nuclear and tidal
1.7.3.5—Energy is released by nuclear fusion
- Know: energy is released by nuclear fusion in the Sun
1.7.3.6—Research is being carried out to
- Know: research is being carried out to investigate how energy released by nuclear fusion can be used to produce electrical energy on a large scale
1.7.3.7—Efficiency: (a) efficiency = useful
- Define and use efficiency: (a) efficiency = useful energy output / total energy input × 100% (b) efficiency = useful power output / total power input × 100%
Objective notes
7 learning objectivesConceptIGCSE Physics