Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 1/Level 2 GCSE (9–1)
Time 1 hour 10 minutes
Paper
reference 1SC0/2BH
Combined Science 2025
Practice Paper
PAPER 4 (Higher Tier)
You must have: Total Marks
Calculator, ruler
Instructions
• Use black ink or ball-point pen.
• Fill in the boxes at the top of this page with your name,
centre number and candidate number.
• Answer all questions.
• Answer the questions in the spaces provided
– there may be more space than you need.
• Calculators may be used.
• You must showmayall NOT
Any diagrams be accurately drawn, unless otherwise indicated.
• at the end of your solution.
your working out with your answer clearly identified
Information
• The total mark for this paper is 60
• The marks for each question are shown in brackets
• In questions marked with an asterisk (*), marks will be awarded for your ability
– use this as a guide as to how much time to spend on each question.
to structure your answer logically, showing how the points that you make are
related or follow on from each other where appropriate.
Advice
• Read each question carefully before you start to answer it.
• Checkanswer
Try to every question.
• your answers if you have time at the end. Turn over
, Do not write
outside the
1 box
Answer ALL questions. Write your answers in the spaces provided
1) A researcher studied how different activities affect the oxygen supply to muscles. The
researcher measured the heart rate and stroke volume of an athlete at rest and after
running for 20 minutes.
The athlete's heart rate and stroke volume before and after exercise are shown in the
table:
Activity Heart Rate (beats/min) Stroke Volume (mL/beat)
Rest 60 80
After exercise 150 110
(a) Calculate the cardiac output (in liters/min) for the athlete after exercise. Show your
working.
(3 marks)
Edexcel GCSE Combined Science 2025 Practice Question Paper
, Do not write
outside the
2 box
(b) Describe how blood is pumped through the heart, including the roles of the
chambers and valves.
(4 marks)
(c) State one difference between the structure of arteries and veins.
(1 mark)
Edexcel GCSE Combined Science 2025 Practice Question Paper
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 1/Level 2 GCSE (9–1)
Time 1 hour 10 minutes
Paper
reference 1SC0/2BH
Combined Science 2025
Practice Paper
PAPER 4 (Higher Tier)
You must have: Total Marks
Calculator, ruler
Instructions
• Use black ink or ball-point pen.
• Fill in the boxes at the top of this page with your name,
centre number and candidate number.
• Answer all questions.
• Answer the questions in the spaces provided
– there may be more space than you need.
• Calculators may be used.
• You must showmayall NOT
Any diagrams be accurately drawn, unless otherwise indicated.
• at the end of your solution.
your working out with your answer clearly identified
Information
• The total mark for this paper is 60
• The marks for each question are shown in brackets
• In questions marked with an asterisk (*), marks will be awarded for your ability
– use this as a guide as to how much time to spend on each question.
to structure your answer logically, showing how the points that you make are
related or follow on from each other where appropriate.
Advice
• Read each question carefully before you start to answer it.
• Checkanswer
Try to every question.
• your answers if you have time at the end. Turn over
, Do not write
outside the
1 box
Answer ALL questions. Write your answers in the spaces provided
1) A researcher studied how different activities affect the oxygen supply to muscles. The
researcher measured the heart rate and stroke volume of an athlete at rest and after
running for 20 minutes.
The athlete's heart rate and stroke volume before and after exercise are shown in the
table:
Activity Heart Rate (beats/min) Stroke Volume (mL/beat)
Rest 60 80
After exercise 150 110
(a) Calculate the cardiac output (in liters/min) for the athlete after exercise. Show your
working.
(3 marks)
Edexcel GCSE Combined Science 2025 Practice Question Paper
, Do not write
outside the
2 box
(b) Describe how blood is pumped through the heart, including the roles of the
chambers and valves.
(4 marks)
(c) State one difference between the structure of arteries and veins.
(1 mark)
Edexcel GCSE Combined Science 2025 Practice Question Paper