The scientific method

A test designed to support or falsify a prediction.

• Statistical survey
• Hypothesis test

  (experiment)

• Theory test
• Prediction analysis

Testable explanation of a natural phenomenon.

• Theory
• Fact
• Observation
• Hypothesis

Results of an experiment or survey.

• Findings from a study
• Conclusions drawn from data
• Observations made during research
• Data from an experiment or survey.

Experiments typically manipulate only one variable to determine if that specific manipulation has an effect on the system being observed.

• controlled variable

• independent variable

• dependent variable

In an experiment, a group of individuals who have a certain characteristic or receive a certain treatment as compared with a control group.

• Control group
• Sample group
• Treatment group
• Experimental group

Group of individuals identical to an experimental group except for the independent variable under investigation.

• Experimental group
• Variable group
• Control group
• Sample group

Making, testing, and evaluating hypotheses about the natural world.

• The experimental process.
• The scientific method.
• The hypothesis theory.
• The observation method.

Metabolic pathway by which most autotrophs use light energy to make sugars from carbon dioxide and water.

• Photosynthesis
• Nitrogen fixation
• Fermentation
• Cellular respiration