30-A2.3s

Analyzing and Interpreting:     analyze data and apply mathematical and conceptual models to develop and assess possible solutions • draw and interpret enthalpy diagrams for chemical reactions (AI–NS2) [ICT C7–4.2] • explain the discrepancy between the theoretical and actual efficiency of a thermal energy conversion system (AI–NS3) • determine the efficiency of thermal energy conversion systems (AI–NS3) • assess whether coal or natural gas should be used to fuel thermal power plants in Alberta (AI–ST2) • evaluate a personally designed and constructed heating device, including a calculation of its efficiency (AI–ST2).