Which choice best explains the definition of a variable?

A variable is one way that scientists collect and record data in a scientific investigation.
A variable is one way that scientists collect and record data in a scientific investigation.

A variable is something that can change and may affect the outcome in a scientific investigation.
A variable is something that can change and may affect the outcome in a scientific investigation.

A variable is an educated guess that scientists make before conducting a scientific investigation.
A variable is an educated guess that scientists make before conducting a scientific investigation.

A variable is a type of testable question that scientists ask when beginning a scientific investigation.

1 answer

The choice that best explains the definition of a variable is:

A variable is something that can change and may affect the outcome in a scientific investigation.

This definition accurately captures the essence of what a variable is in the context of scientific research, highlighting its role in influencing results.