# 4-mark practice questions — Pearson Edexcel International GCSE Physics (4PH1)

> 147 questions · physics

## How to answer

4-mark questions are the shortest levels-of-response band. Aim for four scientific ideas, each in its own short sentence.

## Sample questions

1. [A ski racer descends a snow-covered slope. As she moves down the slope, her gravitational potential energy decreases and…](https://www.gradenine.co.uk/q/a-ski-racer-descends-a-snow-covered-01502ec4)
2. [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)
3. [A plastic rod is rubbed with a cloth. After rubbing, the rod is found to carry a negative charge. Explain how the rod be…](https://www.gradenine.co.uk/q/a-plastic-rod-is-rubbed-with-0750c035)
4. [A steel spring is stretched by hanging weights from it. At first, the extension increases in proportion to the load. Whe…](https://www.gradenine.co.uk/q/a-steel-spring-is-stretched-by-0806c593)
5. [A spacecraft is travelling through deep space, far from any planet or star, with its engines switched off. A student cla…](https://www.gradenine.co.uk/q/a-spacecraft-is-travelling-through-deep-107e4fca)
6. [An artificial satellite is moved from a low orbit to a higher orbit around the Earth, whilst its orbital period remains …](https://www.gradenine.co.uk/q/an-artificial-satellite-is-moved-from-127e9473)
7. [A radioactive isotope used in smoke detectors undergoes alpha decay. Explain why an alpha emitter with a long half-life …](https://www.gradenine.co.uk/q/a-radioactive-isotope-used-in-smoke-132a4597)
8. [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)

## 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)
- [Practise with AI marking (free)](https://www.gradenine.co.uk/start)