Scientific Investigation

A procedure used to test a hypothesis, involving measurements and observations

• experiment
• theory
• law
• research

The part of the experiment being tested, changed, or manipulated by the experimenter

• dependent variable
• independent variable
• constant
• control

A tentative explanation that accounts for a set of facts and predicts the outcome of a scientific investigation. It can be tested by further investigation. (an educated guess)

• law
• theory
• hypothesis
• data

A set of concepts that offer explanations for observed patterns in nature. It has been tested and supported many times.

• theory
• law
• hypothesis
• inference

A statement describing (but not explaining) a natural event, pattern, or relationship. Often uses mathematical formulas. 

• theory
• hypothesis
• law
• conclusion

Factors that do not change during an experiment

• dependent variables
• Independent variables
• controls
• constants

A summary that explains whether or not the data support the hypothesis

• data
• conclusion
• hypothesis
• research

The part of the experiment being measured or observed; the data collected during an experiment

• independent variable
• dependent variable
• constant
• control

To use the information gathered from observations to make an educated guess or prediction, based on past experiences and prior knowledge. 

• inference
• observation
• data
• prediction

To gather factual information using your senses.

• inference
• research
• observation
• hypothesis