Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel International GCSE (9–1)
Thursday 13 November 2025
Morning (Time: 2 hours) Paper
reference 4PH1/1P 4SD0/1P
Physics
UNIT: 4PH1
Science (Double Award) 4SD0
PAPER: 1P
You must have: Total Marks
Ruler, calculator, protractor, Equation Booklet (enclosed)
Instructions
•• Use black ink or ball-point pen.
If pencil is used for diagrams/graphs it must be dark (HB or B).
• 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.
• Show all the steps in any calculations and state the units.
Information
•• The total mark for this paper is 110.
The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
Advice
•• Read each question carefully before you start to answer it.
Write your answers neatly and in good English.
•• Try to answer every question.
Check your answers if you have time at the end.
Turn over
P78770RA
©2025 Pearson Education Ltd.
M:1/1/1/1/1/1/1/1/1/1/1/1/
*P78770RA0136*
, FORMULAE
You may find the following formulae useful.
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
energy transferred = current × voltage × time E=I×V×t
1 1
frequency = f=
time period T
work done W
power = P=
time taken t
energy transferred E
power = P=
time taken t
2π × orbital radius 2×π×r
orbital speed = v=
time period T
(final speed)2 = (initial speed)2 + (2 × acceleration × distance moved)
v2 = u2 + (2 × a × s)
pressure × volume = constant p1 × V1 = p2 × V2
pressure p1 p2
= constant =
temperature T1 T2
Where necessary, assume the acceleration of free fall, g = 10 m / s2.
2
*P78770RA0236*
, DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
BLANK PAGE
*P78770RA0336*
3
Turn over
, Answer ALL questions.
Some questions must be answered with a cross in a box . If you change your mind about an
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
answer, put a line through the box and then mark your new answer with a cross .
1 This question is about stars.
(a) The table gives information about four different stars.
Mass in multiples of
Star Colour Evolutionary stage
the mass of the Sun
Betelgeuse red 16.5 red supergiant
Sirius A blue‑white 2.4 main sequence
Sirius B white 1.0 white dwarf
The Sun yellow 1.0 main sequence
(i) Which of these stars has the lowest surface temperature?
(1)
A Betelgeuse
B Sirius A
C Sirius B
D The Sun
(ii) Which of these stars will become a supernova in the future?
(1)
A Betelgeuse
B Sirius A
C Sirius B
D The Sun
4
*P78770RA0436*
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel International GCSE (9–1)
Thursday 13 November 2025
Morning (Time: 2 hours) Paper
reference 4PH1/1P 4SD0/1P
Physics
UNIT: 4PH1
Science (Double Award) 4SD0
PAPER: 1P
You must have: Total Marks
Ruler, calculator, protractor, Equation Booklet (enclosed)
Instructions
•• Use black ink or ball-point pen.
If pencil is used for diagrams/graphs it must be dark (HB or B).
• 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.
• Show all the steps in any calculations and state the units.
Information
•• The total mark for this paper is 110.
The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
Advice
•• Read each question carefully before you start to answer it.
Write your answers neatly and in good English.
•• Try to answer every question.
Check your answers if you have time at the end.
Turn over
P78770RA
©2025 Pearson Education Ltd.
M:1/1/1/1/1/1/1/1/1/1/1/1/
*P78770RA0136*
, FORMULAE
You may find the following formulae useful.
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
energy transferred = current × voltage × time E=I×V×t
1 1
frequency = f=
time period T
work done W
power = P=
time taken t
energy transferred E
power = P=
time taken t
2π × orbital radius 2×π×r
orbital speed = v=
time period T
(final speed)2 = (initial speed)2 + (2 × acceleration × distance moved)
v2 = u2 + (2 × a × s)
pressure × volume = constant p1 × V1 = p2 × V2
pressure p1 p2
= constant =
temperature T1 T2
Where necessary, assume the acceleration of free fall, g = 10 m / s2.
2
*P78770RA0236*
, DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
BLANK PAGE
*P78770RA0336*
3
Turn over
, Answer ALL questions.
Some questions must be answered with a cross in a box . If you change your mind about an
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
answer, put a line through the box and then mark your new answer with a cross .
1 This question is about stars.
(a) The table gives information about four different stars.
Mass in multiples of
Star Colour Evolutionary stage
the mass of the Sun
Betelgeuse red 16.5 red supergiant
Sirius A blue‑white 2.4 main sequence
Sirius B white 1.0 white dwarf
The Sun yellow 1.0 main sequence
(i) Which of these stars has the lowest surface temperature?
(1)
A Betelgeuse
B Sirius A
C Sirius B
D The Sun
(ii) Which of these stars will become a supernova in the future?
(1)
A Betelgeuse
B Sirius A
C Sirius B
D The Sun
4
*P78770RA0436*
