What you’ll learn3 learning objectivesChoose one objective for a focused lesson, or study the complete topic.S2.1.1Exploring• Use sources to form research questions, hypotheses and predictions.Syllabus objectiveS2.1.2Designing investigations• Design investigations and justify variables, ranges and methods.• Include independent, dependent and controlled variables.Syllabus objectiveS2.1.3Controlling variables• Control variables using calibration, insulation, friction/resistance reduction and background corrections.Syllabus objective