Practice of science

Scientific Investigation

Build a logical investigation and use evidence to decide whether a hypothesis is supported.

ObservationQuestionHypothesisExperimentConclusion

Put the investigation in order

Select the five steps in the correct sequence.

In progress

A good investigation begins by noticing something.

Mould does not grow near a particular patch on a dish of bacteria.

Which is a measurable scientific question?

Bacteria fail to grow when exposed to the mould substance. What can we conclude?

Scientific conclusions must match the evidence collected.

SupportedResults agree with the hypothesis.

Not supportedResults disagree; reconsider the hypothesis.

RepeatableShare methods so others can repeat the investigation.