Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
GCSE
COMBINED SCIENCE: TRILOGY
Foundation Tier
F
Physics Paper
1F
Thursday 22 May 2025 Morning Time allowed: 1 hour 15 minutes
Materials For Examiner’s Use
For this paper you must have:
Question Mark
a ruler
a scientific calculator 1
the Physics Equations Sheet (enclosed). 2
3
Instructions
4
Use black ink or black ball-point pen.
Pencil should only be used for drawing. 5
Fill in the boxes at the top of this page. 6
Answer all questions in the spaces provided. TOTAL
If you need extra space for your answer(s), use the lined pages at
the end of this book. Write the question number against your
answer(s).
Do all rough work in this book. Cross through any work you do not
want to be marked.
In all calculations, show clearly how you work out your answer.
Information
The maximum mark for this paper is 70.
The marks for questions are shown in brackets.
You are expected to use a calculator where appropriate.
You are reminded of the need for good English and clear presentation in your answers.
IB/M/Jun25/G4007/E8
,8464/P/1F
, 2
Do not write
outside the
0 1 There are different isotopes of the box
element lead.
0 1 .1 What is the difference between the atoms of different
[1 mark]
isotopes of lead? Tick () one box.
The number of electrons
The number of neutrons
The number of protons
0 1 .2 The isotope lead-210 is radioactive.
What is meant by ‘lead-210 is
[1 mark]
radioactive’? Tick () one box.
Lead-210 forms many different
compounds.
Lead-210 has unstable nuclei.
Lead-210 melts at a low temperature.
IB/M/Jun25/8464/P/
1F
, 3
Do not write
outside the
0 1 .3 The isotope lead-210 emits beta box
radiation. What is beta radiation?
[1 mark]
Tick () one box.
Electromagnetic radiation emitted from
nuclei
High speed electrons ejected from nuclei
Particles that consist of two neutrons and two protons
Question 1 continues on the next page
IB/M/Jun25/8464/P/
1F
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
GCSE
COMBINED SCIENCE: TRILOGY
Foundation Tier
F
Physics Paper
1F
Thursday 22 May 2025 Morning Time allowed: 1 hour 15 minutes
Materials For Examiner’s Use
For this paper you must have:
Question Mark
a ruler
a scientific calculator 1
the Physics Equations Sheet (enclosed). 2
3
Instructions
4
Use black ink or black ball-point pen.
Pencil should only be used for drawing. 5
Fill in the boxes at the top of this page. 6
Answer all questions in the spaces provided. TOTAL
If you need extra space for your answer(s), use the lined pages at
the end of this book. Write the question number against your
answer(s).
Do all rough work in this book. Cross through any work you do not
want to be marked.
In all calculations, show clearly how you work out your answer.
Information
The maximum mark for this paper is 70.
The marks for questions are shown in brackets.
You are expected to use a calculator where appropriate.
You are reminded of the need for good English and clear presentation in your answers.
IB/M/Jun25/G4007/E8
,8464/P/1F
, 2
Do not write
outside the
0 1 There are different isotopes of the box
element lead.
0 1 .1 What is the difference between the atoms of different
[1 mark]
isotopes of lead? Tick () one box.
The number of electrons
The number of neutrons
The number of protons
0 1 .2 The isotope lead-210 is radioactive.
What is meant by ‘lead-210 is
[1 mark]
radioactive’? Tick () one box.
Lead-210 forms many different
compounds.
Lead-210 has unstable nuclei.
Lead-210 melts at a low temperature.
IB/M/Jun25/8464/P/
1F
, 3
Do not write
outside the
0 1 .3 The isotope lead-210 emits beta box
radiation. What is beta radiation?
[1 mark]
Tick () one box.
Electromagnetic radiation emitted from
nuclei
High speed electrons ejected from nuclei
Particles that consist of two neutrons and two protons
Question 1 continues on the next page
IB/M/Jun25/8464/P/
1F
