2025 AQA GCSE COMBINED SCIENCE: TRILOGY 8464/P/1F
Foundation Tier Physics Paper 1F
Question Paper with Marking Scheme Attached
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
• Use black ink or black ball-point pen. 4
• 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.
• If you need extra space for your answer(s), use the lined pages at the end of TOTAL
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.
, 2
Do not write
outside the
0 1 There are different isotopes of the element lead. box
0 1 . 1 What is the difference between the atoms of different isotopes of lead?
[1 mark]
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 radioactive’?
[1 mark]
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 radiation. box
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
Turn over ►
IB/M/Jun25/8464/P/1F
, 4
Do not write
outside the
The paint in an old painting contains the isotope lead-210. box
The lead-210 in the paint can be used to estimate the age of the painting.
Figure 1 shows how the activity of the lead-210 in the paint changes with time.
Figure 1
0 1 . 4 What was the initial activity of the lead-210 in the paint?
Use Figure 1.
[1 mark]
Activity = kBq
IB/M/Jun25/8464/P/1F
Foundation Tier Physics Paper 1F
Question Paper with Marking Scheme Attached
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
• Use black ink or black ball-point pen. 4
• 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.
• If you need extra space for your answer(s), use the lined pages at the end of TOTAL
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.
, 2
Do not write
outside the
0 1 There are different isotopes of the element lead. box
0 1 . 1 What is the difference between the atoms of different isotopes of lead?
[1 mark]
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 radioactive’?
[1 mark]
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 radiation. box
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
Turn over ►
IB/M/Jun25/8464/P/1F
, 4
Do not write
outside the
The paint in an old painting contains the isotope lead-210. box
The lead-210 in the paint can be used to estimate the age of the painting.
Figure 1 shows how the activity of the lead-210 in the paint changes with time.
Figure 1
0 1 . 4 What was the initial activity of the lead-210 in the paint?
Use Figure 1.
[1 mark]
Activity = kBq
IB/M/Jun25/8464/P/1F
