IB Chemistry Web

LiveZilla Live Chat Software


These action verbs indicate the depth of treatment required for a given assessment statement. These verbs will be used in examination questions and so it is important that students are familiar with the following definitions.

Objective 1

      Define give the precise meaning of a word or phrase as concisely as possible
      Draw represent by means of pencil lines (add labels unless told not to do so)
      List give a sequence of names or other brief answers with no elaboration, each one clearly separated from the others
      Measure find a value for a quantity
      State give a specific name, value or other brief answer (no supporting argument or calculation is necessary)

Objective 2

      Annotate add brief notes to a diagram, drawing or graph
      Apply use an idea, equation, principle, theory or law in a new situation
      Calculate find an answer using mathematical methods (show the working unless instructed not to do so)
      Compare give an account of similarities and differences between two (or more) items, referring to both (all) of them throughout (comparisons can be given using a table)
      Describe give a detailed account, including all the relevant information
      Distinguish give the differences between two or more different items
      Estimate find an approximate value for an unknown quantity, based on the information provided and scientific knowledge
      Identify find an answer from a number of possibilities
      Outline give a brief account or summary (include essential information only)

Objective 3

      Analyse interpret data to reach conclusions
      Construct represent or develop in graphical form
      Deduce reach a conclusion from the information given
      Derive manipulate a mathematical equation to give a new equation or result
      Design produce a plan, object, simulation or model
      Determine find the only possible answer
      Discuss give an account including, where possible, a range of arguments, assessments of the relative importance of various factors or comparisons of alternative hypotheses
      Evaluate assess the implications and limitations
      Explain give a clear account including causes, reasons or mechanisms
      Predict give an expected result
      Solve obtain an answer using algebraic and/or numerical methods
      Suggest propose a hypothesis or other possible answer