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Exam-style practice

Energy resources and the generation of electricity answer explanations

Review worked answers and explanations for Energy resources and the generation of electricity. Aligned to Cambridge IGCSE Environmental Management.

Answer explanations

Question 1 of 2

Review the answer support, then move sideways through the set.

Paper 1 structured question: Energy resources and the generation of electricity

Paper 1Theory4 marks

Description

Energy Resources Overview

List of energy resources: coal, oil, natural gas, nuclear power, biofuels, geothermal power, hydro-electric power, tidal power, wave power, solar power, wind power.

Energy ResourceTypeElectricity Generation Method
CoalNon-renewableBurned to produce steam that drives turbines
OilNon-renewableBurned to produce steam that drives turbines
Natural GasNon-renewableBurned to produce steam or used in gas turbines
Nuclear PowerNon-renewableNuclear reactions produce heat to create steam
BiofuelsRenewableBurned to produce steam
Geothermal PowerRenewableHeat from Earth produces steam
Hydro-electric PowerRenewableFlowing water turns turbines
Tidal PowerRenewableTidal movements turn turbines
Wave PowerRenewableWave motion turns turbines
Solar PowerRenewablePhotovoltaic cells convert sunlight
Wind PowerRenewableWind turns turbine blades
  1. a

    Identify Identify two renewable energy resources from the list.

    [1]
  2. b

    Explain Explain how coal is used to generate electricity.

    [3]