# "Describe" questions — Pearson Edexcel International GCSE Physics (4PH1)

> 33 questions · physics

## How to answer

Say WHAT happens, in order. No reasoning. Structure: 1. First X. 2. Then Y. 3. Then Z. Assessment Objective: AO1. Every "describe" answer on this spec is marked against exactly this pattern.

## Sample questions

1. [A student uses a microphone connected to an oscilloscope to display two different sound waves, Wave A and Wave B. Wave A…](https://www.gradenine.co.uk/q/a-student-uses-a-microphone-connected-064744d4)
2. [A factory uses a radioactive source to monitor the thickness of aluminium sheets as they are produced on a production li…](https://www.gradenine.co.uk/q/a-factory-uses-a-radioactive-source-14a079a5)
3. [A main sequence star much more massive than the Sun eventually runs out of hydrogen fuel. Describe the sequence of stage…](https://www.gradenine.co.uk/q/a-main-sequence-star-much-more-172dfb7e)
4. [The Big Bang theory is the currently accepted model for the origin of the universe. Describe the two pieces of evidence …](https://www.gradenine.co.uk/q/the-big-bang-theory-is-the-186e1868)
5. [Evaporation and boiling are both processes by which a liquid changes to a vapour. Describe TWO differences between evapo…](https://www.gradenine.co.uk/q/evaporation-and-boiling-are-both-processes-19dca0bb)
6. [A rowing boat moves along a straight river. It starts from rest and accelerates uniformly for 8 seconds, reaching a velo…](https://www.gradenine.co.uk/q/a-rowing-boat-moves-along-a-1beae187)
7. [A straight conducting wire is moved through a magnetic field and a voltage is induced across its ends. Describe four way…](https://www.gradenine.co.uk/q/a-straight-conducting-wire-is-moved-1f22d1fc)
8. [A student is sorting physical quantities into two groups: scalar quantities and vector quantities. The student places di…](https://www.gradenine.co.uk/q/a-student-is-sorting-physical-quantities-359d3421)

## Related

- [Pearson Edexcel International GCSE Physics (4PH1) revision notes](https://www.gradenine.co.uk/learn/pearson-edexcel-international-gcse-physics-4ph1)
- [Pearson Edexcel International GCSE Physics (4PH1) past papers](https://www.gradenine.co.uk/past-papers/pearson-edexcel-international-gcse-physics-4ph1)
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