Scientific Method Vocabulary

A series of steps followed to solve problems including collecting data, formulating a hypothesis, testing the hypothesis, and stating conclusions.

• Nature of Science

• Scientific Method

• Engineering Design Process

• Science

a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.

• Hypothesis

• Question

• Problem

• Experiment

In an experiment, the group that is not exposed to the treatment; contrasts with the experimental group and serves as a comparison for evaluating the effect of the treatment.

• Experimental Group

• Constant

• Controlled Experiment

• Control Group

An experiment in which only one variable is manipulated at a time.

• Controlled Experiment

• Dependent Experiment

• Independent Experiment

• All Experiments

Independent Variable

• the factor that remains the same

• the factor that changed in response to manipulations

• the factor that is manipulated and studied

The outcome factor; the variable that may change in response to manipulations of the independent variable.

• Dependent Variable

• Independent Variable

• Constant

Something that stays the same

• Control

• Experimental Factor

• Constant

• Problem

In an experiment, the group that is exposed to the treatment, that is, to one version of the independent variable.

• Experimental Group

• Control Group

• Constant

always in form of a question; the question we are trying to answer by doing the experiment

• Experiment

• Hypothesis

• Problem

A research method in which an investigator manipulates one or more factors to observe the effect on some behavior or mental process

• Control Experiment

• Random Experiment

• Experiment

• Problem