All terms in this list:

Science: A particular discipline or branch of learning, especially one dealing with measurable or systematic principles rather than intuition or natural ability. [from 14th c.]

Scientific inquiry: The ongoing process of science.

hypothesis: A tentative conjecture explaining an observation, phenomenon or scientific problem that can be tested by further observation, investigation and/or experimentation.

variable: something whose value may be dictated or discovered

controlled experiment: A experiment in which only one variable is manipulated at a time.

conclusion: The end, finish, close or last part of something.

data: Plural form of datumpieces of information.

observing: Present participle of observe.

procedure: A series of small tasks or steps taken to accomplish an end.

materials: Plural form of material.

Manipulated variable: The variable in a scientific experiment that is changed.

Responding Variable: The factor that may change in response to the manipulated variable; also called the controlled variable.

Controlled Variable: The factors that are kept the same in experiments.