Scientific investigations usually involve the collection of relevant data, the use of logical reasoning, and the application of imagination in devising hypotheses and explanations to make sense of the collected data.
Learning Goal 2c
Collaboration among investigators can often lead to research designs that are able to deal with situations where it is not possible to control all of the variables.
For Grades: 9-12
Learning Goal 1
Investigations are conducted for different reasons, including to explore new phenomena, to check on previous results, to test how well a theory predicts, and to compare theories.