IGCSE Physics 0625, topic 6.2.1
The Sun as a star: past paper questions
39 Cambridge IGCSE Physics 0625 questions on The Sun as a star (6.2.1) from 37 papers, 2023 to 2026. Mostly multiple choice. Open the paper or try a question free.
Practising builds a set from this topic, free with an account. One question opens straight away, with no account.
- Questions
- 39
- Papers
- 37
- Years
- 2023 to 2026
- Total marks
- 104
- Average per question
- 2.7 marks
- Largest question
- 9 marks
By type: Multiple choice 30 · Structured 9
How hard the questions are
- Recall0
- Apply5
- Analyse4
- Not banded30
Derived from the command word Cambridge prints in each question, banded by a fixed table beside the syllabus's own definitions. A question printing no command word is unbanded: unknown, not middling.
Command words
- stateRecall7 questions
express in clear terms
- completeApply5 questions
- explainAnalyse4 questions
set out purposes or reasons / make the relationships between things clear / say why and/or how and support with relevant evidence
- calculateApply3 questions
work out from given facts, figures or information
- describeApply2 questions
state the points of a topic / give characteristics and main features
- nameRecall2 questions
- drawApply1 question
- estimateApply1 question
- listRecall1 question
Where the questions come from
By year
- 20263
- 202511
- 202410
- 202315
By session
- May/June20
- Oct/Nov19
By paper
- Paper 115
- Paper 215
- Paper 36
- Paper 43
Questions on this topic
Showing 30 of 39, spread across the years. Open one to write your answer and have it marked.
- Try this questionQuestion 40May/June 2026, paper 21Multiple choice1 markHas a diagram
In approximately five billion years, our Sun will run out of hydrogen fuel in its core. Which row shows two later stages in its life cycle?
- Try this questionQuestion 39Oct/Nov 2025, paper 11Multiple choice1 mark
Which statement about the Sun is correct?
- Try this questionQuestion 39Oct/Nov 2024, paper 11Multiple choice1 markHas a diagram
Which row describes the Sun and the Milky Way?
- Try this questionQuestion 39Oct/Nov 2025, paper 12Multiple choice1 mark
The Sun is a star that radiates energy towards the Earth. Which regions of the electromagnetic spectrum make up most of the Sun's radiation received on the Earth?
- Try this questionQuestion 39Oct/Nov 2024, paper 12Multiple choice1 mark
Which statement about the Sun is not correct?
- Try this questionQuestion 39Oct/Nov 2023, paper 12Multiple choice1 mark
The Sun transfers energy to the Earth through electromagnetic radiation. What are two of the parts of the electromagnetic spectrum to which most of the energy belongs?
- Try this questionQuestion 11May/June 2026, paper 43Structured7 marks
The Sun is an example of a stable star. Describe the process that releases energy in the Sun.
- Try this questionQuestion 39Oct/Nov 2025, paper 13Multiple choice1 mark
In which given region of the electromagnetic spectrum does the Sun radiate the least of its energy?
- Try this questionQuestion 40Oct/Nov 2023, paper 13Multiple choice1 markHas a diagram
The table shows some elements and some regions of the electromagnetic spectrum. Which row shows one of the most common elements in the Sun and one of the regions in which the Sun radiates most of its energy?
- Try this questionQuestion 39Oct/Nov 2025, paper 23Multiple choice1 markHas a diagram
The table lists data about four different stars. Which star is the Sun?
- Try this questionQuestion 8Oct/Nov 2024, paper 22Multiple choice1 markHas a diagram
Which row shows the process by which energy in the Sun is released, the process by which it is transferred to the Earth and a way in which it is stored once it reaches the Earth?
- Try this questionQuestion 10Oct/Nov 2025, paper 33Structured7 marksHas a diagram
Each box in the left column shows a description of a unit of time. Each box in the right column shows the name of a unit of time.
- Try this questionQuestion 39Oct/Nov 2024, paper 23Multiple choice1 mark
Which reaction produces the energy that powers the Sun?
- Try this questionQuestion 9Oct/Nov 2025, paper 41Structured9 marks
Describe the structure of an atom of helium-4, .
- Try this questionQuestion 39May/June 2024, paper 11Multiple choice1 mark
What are the three main types of radiation emitted by the Sun?
- Try this questionQuestion 40Oct/Nov 2023, paper 22Multiple choice1 mark
How does the Sun produce its energy?
- Try this questionQuestion 40May/June 2025, paper 12Multiple choice1 markHas a diagram
The Sun radiates most of its energy in three regions of the electromagnetic spectrum. The diagram shows the proportion of the total energy radiated in each of these regions. Region P is visible light and region Q is ultraviolet.
- Try this questionQuestion 40May/June 2024, paper 12Multiple choice1 mark
The Sun mostly consists of which gases?
- Try this questionQuestion 11Oct/Nov 2023, paper 31Structured8 marksHas a diagram
Fig. 11.1 represents the Sun and part of the Solar System. Complete the labels on Fig. 11.1 by writing on the dotted lines.
- Try this questionQuestion 39May/June 2024, paper 13Multiple choice1 mark
In which regions of the electromagnetic spectrum does the Sun radiate most of its energy?
- Try this questionQuestion 11Oct/Nov 2023, paper 33Structured9 marksHas a diagram
Fig. 11.1 represents the Earth in orbit around the Sun. State the name of the force that keeps the Earth in orbit around the Sun.
- Try this questionQuestion 39May/June 2025, paper 22Multiple choice1 mark
Stars are powered by nuclear reactions that release energy. Which statement describes the nuclear reaction in stable stars?
- Try this questionQuestion 38May/June 2024, paper 21Multiple choice1 mark
What is the main process that powers the Sun?
- Try this questionQuestion 39May/June 2023, paper 11Multiple choice1 mark
The Sun consists mostly of two elements. What are these two elements?
- Try this questionQuestion 11May/June 2025, paper 32Structured9 marksHas a diagram
Fig. 11.1 represents the Solar System. The Sun and five of the eight planets are labelled. Complete the three missing labels on Fig. 11.1 by writing the name of each planet on its dotted line.
- Try this questionQuestion 9May/June 2024, paper 41Structured9 marks
The Sun is one of many billions of stars in the Milky Way. The Sun emits a very large quantity of energy as electromagnetic radiation. State the three regions of the electromagnetic spectrum in which the Sun emits the most energy.
- Try this questionQuestion 39May/June 2023, paper 12Multiple choice1 markHas a diagram
The graph shows the energy radiated by the Sun at different wavelengths.
- Try this questionQuestion 11May/June 2025, paper 33Structured9 marksHas a diagram
Fig. 11.1 represents the Solar System. The Sun and five of the eight planets are labelled. Fig. 11.1 (not to scale) Complete the three missing labels on Fig. 11.1 by writing the name of each planet on its dotted line.
- Try this questionQuestion 39May/June 2023, paper 21Multiple choice1 mark
Which nuclear reaction powers a stable star?
- Try this questionQuestion 39May/June 2023, paper 22Multiple choice1 mark
Which nuclear reaction produces the release of energy to power a star?






