SPM Form 4: Introduction to Chemistry (Checklist)

Scientific method:
Making observation → Making inference → Identifying problem → Making hypothesis → Identifying variables → Controlling variables → Planning an experiment → Collecting data → Interpreting data → Making conclusion → Writing report

  • Fixed variables: the factor that is kept constant throughout the experiment
  • Manipulated variables: the factor that is purposely changed in an experiment
  • Responding variables: the factor that changes with the manipulated variables
  • Hypothesis: a general statement about the relationship between a manipulated  variable and a responding variable in order to explain an event or phenomenon.