IS1 - Energy systems and climate
IS1.1 - Energy transfers and efficiencyIS1.2 - Fuels, combustion and cellular respirationIS1.3 - Electricity generation, storage and distributionIS1.4 - Greenhouse effect and climate evidenceIS1.5 - Evaluating energy technologies and choices
IS2 - Water systems and quality
IS2.1 - Water cycle, states and thermal processesIS2.2 - Solutions, concentration, pH and salinityIS2.3 - Aquatic ecosystems and eutrophicationIS2.4 - Water treatment, separation and analysisIS2.5 - Water resources, access and sustainability
IS3 - Human health and performance
IS4 - Materials and sustainable design
IS5 - Earth, atmosphere and space
IS6 - Ecosystems and biodiversity
IS7 - Food and agriculture
IS8 - Waves, radiation and communication
IS9 - Transport, motion and safety
IS10 - Scientific inquiry and evidence