Candidate surname Other names
May 2025 Pearson Edexcel: GCSE (9–1)
Centre Number Candidate Number Combined Science – ISCO/3F – Paper 3
(Foundation Tier) – Merged Question Paper &
Mark Scheme
Pearson Edexcel Level 1/Level 2 GCSE (9–1)
Thursday 22 May 2025
Morning (Time: 1 hour 10 minutes) Paper
reference 1SC0/1PF
Combined Science 🟐 🟐
PAPER 3
Foundation Tier
You must have: Total Marks
Calculator, ruler, Equation Booklet (enclosed)
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.
Information
•• The total mark for this paper is 60.
The marks for each question are shown in brackets
• Instructure
– use this as a guide as to how much time to spend on each question.
questions marked with an asterisk (*), marks will be awarded for your ability to
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.
• Try to answer every question.
• your answers if you have time at the end.
Check
Turn over
P78701RA
©2025 Pearson Education Ltd.
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2
, Answer ALL questions. Write your answers in the spaces provided.
Some questions must be answered with a cross in one of the four boxes . If you change your
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mind about an answer, put a line through the box and then mark your new answer with
a cross .
1 (a) Draw one straight line from each electromagnetic radiation to its
correct description.
(3)
electromagnetic radiation description
infrared used in night vision cameras
gamma the least dangerous radiation
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may damage eyes, so
ultraviolet
sunglasses worn as protection
radio waves the most dangerous radiation
(b) Different colours of light have different frequencies.
Which of these colours has the highest frequency?
(1)
A blue
B green
C red
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D yellow
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, (c) Figure 1 is a diagram of a glass block being used to investigate the refraction
of light.
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ray of light coming in
glass block
ray of light going out
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(Source: © ajizai/docstoc.com)
Figure 1
The angle of incidence was varied and the angle of refraction was measured
each time.
Figure 2 shows the results in a table.
angle of incidence angle of refraction
in degrees in degrees
20 13
30 20
40 25 DO NOT WRITE IN THIS AREA
50 31
60 35
70 39
80 41
Figure 2
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