Define the following words:

- experiment

- variable

- independent variable

- dependent variable

- control variable

- purpose

Experiment:

Experiment is defined as a procedure that is carried out to support, refute, or validate a hypothesis.

Variable:

Variable can be defined as a symbolic name associated with a value and whose associated value may be change.

Independent variable:

An independent variable is defined as the variable that is changed or controlled in a scientific experiment to test the effects on thedependent variable.

Dependent variable:

A dependent variable is defined as the variable that is being tested and measured in a scientific experiment.

Controlled variable:

Controlled variable is defined as an experimental element which is constant and unchanged throughout the course of the investigation.

Purpose:

Purpose is defined as the reason for which something is done or created or for which something exists.