plumiThe particle model: OCR GCSE Combined Science A questions
Every OCR GCSE Combined Science A exam question on P1.1 The particle model, 2018–2025, with its mark scheme and examiner’s report.
Paper
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Calculations
- Your answer
Q13(a)
The whole paper ↗Q17(a)(i)
The whole paper ↗Q17(a)(ii)
The whole paper ↗Q17(b)(i)
The whole paper ↗Q17(b)(ii)
The whole paper ↗- Your answer
Q12(a)(i)
The whole paper ↗Q12(a)(ii)
The whole paper ↗Q12(b)(i)
The whole paper ↗Q12(b)(ii)
The whole paper ↗Q15(a)
The whole paper ↗Q15(b)(i)
The whole paper ↗Q15(b)(ii)
The whole paper ↗Q15(c)
The whole paper ↗- Your answer
- Your answer
- Your answer
Q14(c)(i)
The whole paper ↗Q14(c)(ii)
The whole paper ↗
All 53 questions on The particle model, as a list
- June 2025, Physics Paper 5 Foundation, Q5 (1 mark): Density can be calculated using the equation: density = mass 5 volume Which row of the table is correct? Volume (m3) Density (kg / m3) Mass (kg) A 6.0 3.0 2.0 B
- June 2025, Physics Paper 5 Foundation, Q13(a) (2 marks): When the cool pack melts, the density of the chemical inside decreases. Explain why the density decreases. Use ideas about particles. [2]
- June 2025, Physics Paper 5 Foundation, Q17(a)(i) (2 marks): What are the two main ideas about electric charge in this model? 1 2 [2]
- June 2025, Physics Paper 5 Foundation, Q17(a)(ii) (1 mark): Give one reason this model was not developed until 1904. [1]
- June 2025, Physics Paper 5 Foundation, Q17(b)(i) (2 marks): Suggest two reasons why he published his results in a scientific journal. 1 2 [2]
- June 2025, Physics Paper 5 Foundation, Q17(b)(ii) (1 mark): Draw one line from one of the physicists to show which change they made to Rutherford’s model. Physicist Change neutrons Bohr electron orbits Marsden nucleus [1
- June 2025, Physics Paper 6 Foundation, Q8 (1 mark): A group of scientists discover a new particle. What must the scientists do so that their discovery is accepted? A Give the new particle a name. B Have their wor
- June 2025, Physics Paper 11 Higher, Q12(a)(i) (2 marks): What are the two main ideas about electric charge in this model? 1 2 [2]
- June 2025, Physics Paper 11 Higher, Q12(a)(ii) (1 mark): Give one reason this model was not developed until 1904. [1]
- June 2025, Physics Paper 11 Higher, Q12(b)(i) (2 marks): Suggest two reasons why he published his results in a scientific journal. 1 2 [2]
- June 2025, Physics Paper 11 Higher, Q12(b)(ii) (1 mark): Draw one line from one of the physicists to show which change they made to Rutherford’s model. Physicist Change neutrons Bohr electron orbits Marsden nucleus [1
- June 2025, Physics Paper 11 Higher, Q15(a) (4 marks): They also have some water, a measuring cylinder, and a digital balance. Explain how they could use these items to find the density of the ring. [4]
- June 2025, Physics Paper 11 Higher, Q15(b)(i) (1 mark): What is the most likely composition of the ring? Tick (✓) one box. Pure copper Mostly copper Equal amounts of copper and gold Mostly gold Pure gold [1]
- June 2025, Physics Paper 11 Higher, Q15(b)(ii) (2 marks): Explain your answer to (i). [2]
- June 2025, Physics Paper 11 Higher, Q15(c) (2 marks): The table shows some data about liquid copper and liquid gold. Copper (liquid) Gold (liquid) Density (kg / m3) 800 1700 Explain why the densities of solids are
- June 2024, Physics Paper 5 Foundation, Q3 (1 mark): Which two instruments are used to measure the density of a rectangular glass block? A A measuring cylinder and a ruler B A protractor and a ruler C A protractor
- June 2024, Physics Paper 5 Foundation, Q10 (1 mark): Different scientists have contributed to the model of the atom. What is the order of each scientist’s contribution from the oldest to the newest? Oldest Newest
- June 2024, Physics Paper 11 Higher, Q2 (1 mark): Different scientists have contributed to the model of the atom. What is the order of each scientist’s contribution from the oldest to the newest? Oldest Newest
- June 2024, Physics Paper 11 Higher, Q14(c)(i) (1 mark): The teacher’s method does not give an accurate value for the density of ice. Suggest why. [1]
- June 2024, Physics Paper 11 Higher, Q14(c)(ii) (1 mark): Suggest a change to the method which would give a more accurate value for the density of ice. [1]
- June 2024, Physics Paper 11 Higher, Q14(c)(iii) (3 marks): An ice cube weighs 0.046 N. The volume of the ice cube is 5.0 × 10–6 m3. Calculate the density of the ice cube. Gravitational field strength = 10 N / kg Use the
- June 2023, Physics Paper 5 Foundation, Q5 (1 mark): Which substance listed in the table has the highest density? Volume (cm3) Substance Mass (kg) A 1.0 1.5 B 1.0 3.0 C 1.0 4.5 D 1.0 6.0 Your answer [1]
- June 2023, Physics Paper 5 Foundation, Q6 (1 mark): How much of the total mass of a hydrogen atom is made up by the nucleus? A None of the mass B Half of the mass C Almost all of the mass D All of the mass Your a
- June 2023, Physics Paper 5 Foundation, Q9 (1 mark): Which new feature of the atomic model did Niels Bohr suggest? A Electrons are in stable shells. B Electrons orbit a nucleus. C The atom has a nucleus. D The nuc
- June 2023, Physics Paper 11 Higher, Q1 (1 mark): Which new feature of the atomic model did Niels Bohr suggest? A Electrons are in stable shells. B Electrons orbit a nucleus. C The atom has a nucleus. D The nuc
- June 2023, Physics Paper 11 Higher, Q4 (1 mark): Which substance listed in the table has the highest density? Volume (cm3) Substance Mass (kg) A 0.5 1.5 B 0.5 3.0 C 1.0 1.5 D 1.0 3.0 Your answer [1]
- June 2022, Physics Paper 5 Foundation, Q12 (6 marks): 12* A student does an experiment to find out the density of an eraser. The eraser has an irregular shape. The diagrams show the student’s method: 1 2 00.0g 12.9
- June 2022, Physics Paper 11 Higher, Q7 (1 mark): A student measures the mass and volume of four blocks. The graph shows their results. 8 P 6 R S Mass (g) 4 Q 2 0 0 2 4 6 8 10 Volume (cm3) Which two blocks have
- November 2021, Physics Paper 5 Foundation, Q16(a)(i) (2 marks): Place the events in the order they occurred. Write the numbers in the boxes below. One has been done for you. Year 1897 2 1932 [2]
- November 2021, Physics Paper 5 Foundation, Q16(a)(ii) (2 marks): The events were peer reviewed and communicated to others. Suggest why both are important in science. Peer review Communication [2]
- November 2021, Physics Paper 5 Foundation, Q16(b)(i) (2 marks): Describe any trends in the data in Table 16.1. [2]
- November 2021, Physics Paper 5 Foundation, Q16(b)(ii) (2 marks): Explain the difference in density between solids and liquids. You may draw diagrams to help your answer. [2]
- November 2021, Physics Paper 6 Foundation, Q11(a) (3 marks): Draw lines to connect each part of the atom with its correct description. Part of the atom Description Electrons Usually found in the nucleus. Neutrons Unstable
- November 2021, Physics Paper 11 Higher, Q11(a)(i) (2 marks): Place the events in the order they occurred. Write the numbers in the boxes below. One has been done for you. Year 1897 2 1932 [2]
- November 2021, Physics Paper 11 Higher, Q11(a)(ii) (2 marks): The events were peer reviewed and communicated to others. Suggest why both are important in science. Peer review Communication [2]
- November 2021, Physics Paper 11 Higher, Q11(b)(i) (2 marks): Describe any trends in the data in Table 11.1. [2]
- November 2021, Physics Paper 11 Higher, Q11(b)(ii) (2 marks): Explain the difference in density between solids and liquids. You may draw diagrams to help your answer. [2]
- November 2020, Physics Paper 5 Foundation, Q7 (1 mark): A physics student says a hydrogen atom is like a cube. 7 Width of hydrogen atom What is the approximate volume of this hydrogen atom? A 1 × 10-30 m3 B 1 × 10-27
- November 2020, Physics Paper 5 Foundation, Q9: Which statement describes an atom? 9 A The nucleus is smaller than the atom and contains no mass. B The nucleus is smaller than the atom and contains most of th
- November 2020, Physics Paper 6 Foundation, Q3 (1 mark): Atoms contain protons, neutrons and electrons. Which row in the table describes the nucleus? Nucleus contains Charge on the nucleus A Electrons and neutrons Neg
- November 2020, Physics Paper 11 Higher, Q1: Which statement describes an atom? A The nucleus is smaller than the atom and contains no mass. B The nucleus is smaller than the atom and contains most of the
- June 2019, Physics Paper 5 Foundation, Q11(a)(i) (2 marks): Explain how the student can use a ruler to calculate the volume of the metal cube. [2]
- June 2019, Physics Paper 5 Foundation, Q11(a)(ii) (2 marks): The metal cube has a volume of 125 cm3 and a mass of 850 g. Calculate the density of the metal cube. Use the equation: density = mass ÷ volume Density = g / cm3
- June 2019, Physics Paper 5 Foundation, Q11(b)(i) (1 mark): Suggest one piece of apparatus that she can use to measure the mass of the stone. [1]
- June 2019, Physics Paper 5 Foundation, Q11(b)(ii) (1 mark): Suggest one piece of apparatus that she can use to measure the volume of the stone. [1]
- June 2019, Physics Paper 6 Foundation, Q13(d)(i) (2 marks): Describe two differences between the models in the diagram. 1 2 [2]
- June 2019, Physics Paper 6 Foundation, Q13(d)(ii) (1 mark): Explain why the model of the atom has changed over time. [1]
- June 2019, Physics Paper 11 Higher, Q7 (1 mark): A student thinks about atoms placed side by side in a row. Atom Approximately, how many atoms would fit in a length of 1 m? A 1 × 108 B 1 × 1010 C 1 × 1012 D 1
- June 2019, Physics Paper 11 Higher, Q12(a)(i) (3 marks): Calculate the density of metal cube B. Use the equation: density = mass ÷ volume Density = g / cm3 [3]
- June 2019, Physics Paper 11 Higher, Q12(a)(ii) (1 mark): Metal cube A sinks when placed in water. Explain why. [1]
- June 2018, Physics Paper 5 Foundation, Q7 (1 mark): Which of the following is not part of the atomic model? A Almost all of an atom’s mass is contained in the nucleus. B An atom’s nucleus contains positive neutro
- June 2018, Physics Paper 5 Foundation, Q14(a) (3 marks): A student has a wooden cube. Explain how she could find the density of the wooden cube. Include the measurements needed. [3]
- June 2018, Physics Paper 5 Foundation, Q14(b) (4 marks): When a material changes state, its density changes. Explain how. Use ideas about particles. You may draw diagrams of solids, liquids and gases to help. [4]
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