IB Chemistry Command Terms

Vocabulary flashcards defining command terms used in IB Chemistry and science assessments.

Command Terms

Words that are used in science to be more specific about what tasks you are completing.

Draw

Represent by means of a labeled, accurate diagram or graph, using a pencil. A ruler (straight edge) 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 judgment 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. Opinions 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 or 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 shape or relationship, and should include relevant features.

Suggest

Propose a solution, hypothesis or other possible answer.