BCS KS3 revision quiz

What variable changes when you increase the incline of a ramp in an experiment?

• Control
• Independent
• Dependent
• Confounding

What is the correct order for planning an experiment?

• Method, Hypothesis
• Results, Method
• Aim, Hypothesis
• Hypothesis, Method

What does a steeper slope on a distance-time graph indicate?

• Faster speed
• Acceleration
• Constant speed
• Slower speed

Which of the following metals is the most reactive?

• Zinc
• Iron
• Magnesium
• Copper

Which gas is produced when metals react with acids?

• Carbon dioxide
• Hydrogen
• Oxygen
• Nitrogen

What safety equipment should be worn when handling acids?

• Gloves and apron
• Gloves and sandals
• Hat and mask
• Goggles and gloves

Which factor is the dependent variable in a heart rate experiment?

• Exercise time
• Pulse rate
• Participant name
• Stopwatch

Which of these shows a correct method of measuring heart rate?

• Watch breathing
• Measure wrist pulse
• Ask how tired they feel
• Time to recover

A student spills water near electrical equipment. What should they do?

• Dry with paper towel
• Tell a teacher
• Ignore it
• Add more water

What’s the best graph for speed vs time?

• Line graph
• Bar chart
• Pie chart
• Histogram