IB Chemistry Command Terms

Draw

Represent by means of a labeled, accurate diagram or graph, using a pencil. A ruler should be used for straight lines. Diagrams should be drawn to scale. Graphs should have points correctly plotted (if appropriate) and joined in a straight line or smooth curve.

State

Give a specific name, value, or other brief answer without explanation or calculation

Annotate

Add brief notes to a diagram or graph

Calculate

Obtain a numerical answer showing the relevant stages in the working

Describe

Give a detailed account

Estimate

Obtain an approximate value

Outline

Give a brief account or summary

Comment

Give a judgement based on a given statement or result of a calculation

Compare

Give an account of the similarities between two (or more) items or situations, referring to both (all) of them throughout

Contrast

Give an account of the differences between two (or more) items or situations, referring to both (all) of them throughout

Deduce

Reach a conclusion from the information given

Determine

Obtain the only possible answer

Discuss

Offer a considered and balanced review that includes a range of arguments, factors or hypotheses. Options or conclusions should be presented clearly and supported by appropriate evidence.

Evaluate

Make an appraisal by weighing up the strengths and limitations

Explain

Give a detailed account including reasons and causes

Predict

Give an expected result

Sketch

Represent by means of a diagram or graph (labeled as appropriate). The sketch should give a general idea of the required trend or relationship and should include relevant features.

Suggest

Propose a solution, hypothesis or other possible answer