*1895705233*
INSTRUCTIONS
• Use black ink. You can use an HB pencil, but only for graphs and diagrams.
• Write your answer to each question in the space provided. If you need extra space use
the lined pages at the end of this booklet. The question numbers must be clearly shown.
• Answer all the questions.
• Where appropriate, your answer should be supported with working. Marks might be
given for using a correct method, even if your answer is wrong.
INFORMATION
• The total mark for this paper is 90.
• The marks for each question are shown in brackets [ ].
• Quality of extended response will be assessed in questions marked with an asterisk (*).
• This document has 24 pages.
ADVICE
• Read each question carefully before you start your answer.
© OCR 2025 [601/8685/9] DC (WW/CT) 357090/5
OCR is an exempt Charity
Turn over
1 According to Newton’s third law, when two objects interact, they apply forces on each
other.
, 2
(a) A person pushes on a wall with a force of 100 N.
The diagram shows two forces that form an interaction pair between the person
and the wall.
Force of wall Force of person
pushing on person pushing on wall = 100N
Which statements about this pair of forces are true and which are false?
Tick (✓) one box in each row.
True False
Both forces are acting on the person.
The forces are the same kind of force.
The forces are opposite in direction.
The force of the wall on the person equals 100 N.
(b) Which of these forces is a contact force?
Tick (✓) one box.
Electrostatic
Friction
Gravitationa
l
Magnetic
[1] (c) Complete the sentences in the table to describe each interaction pair of forces.
Use words from the list.
attracting Earth Moon negatively
positively repelling Sun
© OCR 2025
, 3
The iron bar ........................................ the
A magnet attracting magnet.
an iron bar.
A positively charged The piece of paper attracting
rod attracting a piece the ........................................ charged
of paper. rod.
The gravitational
The gravitational force of
force of the Earth on
the ........................................ on
the Moon.
the ........................................ .
© OCR 2025 Turn over
, 4
2 Scientists advise people to use sunscreen when they are outside on a sunny day.
Sunscreen absorbs the UV radiation from the Sun.
(a)* Explain:
• how exposure to UV radiation can cause damage to human tissue
• why it is important to use sunscreen when outside on a sunny day.
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....................................................................................................................................
................. [6]
(b) The sun protection factor (SPF) is a measure of the strength of sunscreen.
A student investigates the SPF of different suncreens.
They use beads that change colour when they are exposed to UV radiation.
© OCR 2025
INSTRUCTIONS
• Use black ink. You can use an HB pencil, but only for graphs and diagrams.
• Write your answer to each question in the space provided. If you need extra space use
the lined pages at the end of this booklet. The question numbers must be clearly shown.
• Answer all the questions.
• Where appropriate, your answer should be supported with working. Marks might be
given for using a correct method, even if your answer is wrong.
INFORMATION
• The total mark for this paper is 90.
• The marks for each question are shown in brackets [ ].
• Quality of extended response will be assessed in questions marked with an asterisk (*).
• This document has 24 pages.
ADVICE
• Read each question carefully before you start your answer.
© OCR 2025 [601/8685/9] DC (WW/CT) 357090/5
OCR is an exempt Charity
Turn over
1 According to Newton’s third law, when two objects interact, they apply forces on each
other.
, 2
(a) A person pushes on a wall with a force of 100 N.
The diagram shows two forces that form an interaction pair between the person
and the wall.
Force of wall Force of person
pushing on person pushing on wall = 100N
Which statements about this pair of forces are true and which are false?
Tick (✓) one box in each row.
True False
Both forces are acting on the person.
The forces are the same kind of force.
The forces are opposite in direction.
The force of the wall on the person equals 100 N.
(b) Which of these forces is a contact force?
Tick (✓) one box.
Electrostatic
Friction
Gravitationa
l
Magnetic
[1] (c) Complete the sentences in the table to describe each interaction pair of forces.
Use words from the list.
attracting Earth Moon negatively
positively repelling Sun
© OCR 2025
, 3
The iron bar ........................................ the
A magnet attracting magnet.
an iron bar.
A positively charged The piece of paper attracting
rod attracting a piece the ........................................ charged
of paper. rod.
The gravitational
The gravitational force of
force of the Earth on
the ........................................ on
the Moon.
the ........................................ .
© OCR 2025 Turn over
, 4
2 Scientists advise people to use sunscreen when they are outside on a sunny day.
Sunscreen absorbs the UV radiation from the Sun.
(a)* Explain:
• how exposure to UV radiation can cause damage to human tissue
• why it is important to use sunscreen when outside on a sunny day.
....................................................................................................................................
......................
....................................................................................................................................
......................
....................................................................................................................................
......................
....................................................................................................................................
......................
....................................................................................................................................
......................
....................................................................................................................................
......................
....................................................................................................................................
......................
....................................................................................................................................
......................
....................................................................................................................................
......................
....................................................................................................................................
......................
....................................................................................................................................
......................
....................................................................................................................................
......................
....................................................................................................................................
................. [6]
(b) The sun protection factor (SPF) is a measure of the strength of sunscreen.
A student investigates the SPF of different suncreens.
They use beads that change colour when they are exposed to UV radiation.
© OCR 2025
