What is the role of a control group in an experiment?

To provide a baseline for comparison

To test multiple variables at once

To ensure the experiment is successful

To change all variables

Video Explanation

Watch Video Solution

Keep Practising

Students who asked this also explored

Continue with nearby questions to strengthen the same chapter concept while you still have the context fresh in mind.

Q1.

What is the first step in a scientific investigation?

Q2.

Which term describes a possible explanation for a set of observations?

Q3.

In an experiment, what should be kept constant to ensure valid results?

Q4.

Why is it important to document observations during an experiment?