KS3 Science – Working Scientifically Quiz

What is the first step of the scientific method?

• Conducting an experiment

• Making an observation

• Writing a conclusion

Why do scientists repeat experiments?

• To make them more difficult

• To improve accuracy and reliability

• To change the results

What is a hypothesis?

• A) A proven fact

• B) An educated guess that can be tested (Correct Answer)

• C) A random prediction

Which of these is a control variable?

• The variable you measure

• The variable you change

• The variable you keep the same (Correct Answer)

What does "anomaly" mean in an experiment?

• A) A mistake in the method

• B) A result that does not fit the pattern (Correct Answer)

• C) A value that is very common

What does a fair test mean?

• Changing multiple variables at the same time

• Keeping everything the same except the independent variable

• Only measuring one result

What is the dependent variable?

• The variable that you measure (Correct Answer)

• The variable you change

• The variable you keep constant

What is meant by "precision" in measurements?

• The measurements are close together

• The measurements are all correct

• The measurements are guessed

What is a conclusion in an experiment?

• A) A summary of the results

• B) A guess about the results

• C) A list of materials used

What is a scientific theory?

• A) A guess with no evidence

• B) A well-supported explanation based on evidence

• C) A single experiment result