PRACTICE PAPER FOR 2026 SUMMER EXAMS
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 1SC0/1BH
Combined Science 2025
Practice Paper
PAPER 1 (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
, PRACTICE PAPER FOR 2026 SUMMER EXAMS
2
Do not write
outside the
box
1
a Enzymes are biological catalysts.
i Define what is meant by a biological catalyst. (1 mark)
c Explain why enzymes are specific to particular reactions. (2 marks)
b A student investigates how temperature affects the rate of amylase activity.
i Devise a method to carry out this experiment, including key equipment and controls. (3 marks)
ii Predict how the rate of reaction changes between 10°C and 50°C. Justify your answer.
(2 marks)
c
Edexcel Combined Sciences Practice Question Paper
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 1SC0/1BH
Combined Science 2025
Practice Paper
PAPER 1 (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
, PRACTICE PAPER FOR 2026 SUMMER EXAMS
2
Do not write
outside the
box
1
a Enzymes are biological catalysts.
i Define what is meant by a biological catalyst. (1 mark)
c Explain why enzymes are specific to particular reactions. (2 marks)
b A student investigates how temperature affects the rate of amylase activity.
i Devise a method to carry out this experiment, including key equipment and controls. (3 marks)
ii Predict how the rate of reaction changes between 10°C and 50°C. Justify your answer.
(2 marks)
c
Edexcel Combined Sciences Practice Question Paper
