Introduction to Physical Science--Vocabulary

Experiment

Experiment

An organized procedure for testing a hypothesis

Independent or manipulated variable

Independent or manipulated variable

The factor adjusted by the experimenter.

Responding or dependent variable

Responding or dependent variable

The factor whose value changes because of a change in the independent or manipulated variable.

Control variable

Control variable

The factor that does not change in the experiment http://

www.sciencebuddies.org/science-fair-projects/project_variables.shtml#examples

Control Group

Control Group

A standard of comparison needed to draw a meaningful conclusion.

Trial

Trial

The act of testing, or putting to the proof.

Repeated trials

Repeated trials

Multiple experiments of same process to insure accuracy of data

Hypothesis

Hypothesis

A testable prediction

Procedures

Procedures

The sequence of instructions followed in solving a problem.

Data evidence

Data evidence

A single piece of information from which a conclusion can be drawn.