# 4-mark practice questions — Eduqas GCSE Physics

> 191 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 scientist is studying pressure differences in the ocean. Explain why a sealed plastic bottle, which is partially fille…](https://www.gradenine.co.uk/q/a-scientist-is-studying-pressure-differences-00342f21)
2. [Explain why adding more identical resistors in series to a circuit causes the current in the circuit to decrease, whilst…](https://www.gradenine.co.uk/q/explain-why-adding-more-identical-resistors-00bed27e)
3. [Describe what is meant by the pressure of a gas, and explain how increasing the temperature of a gas at constant volume …](https://www.gradenine.co.uk/q/describe-what-is-meant-by-the-014e5b6e)
4. [Scientists have observed that light from almost all distant galaxies is red-shifted, and that galaxies further away show…](https://www.gradenine.co.uk/q/scientists-have-observed-that-light-from-016e4bc3)
5. [Explain why sound waves are described as longitudinal waves and how they are able to travel through air.](https://www.gradenine.co.uk/q/explain-why-sound-waves-are-described-024a92d5)
6. [Explain what happens to the current in a circuit when the resistance is increased, and use the concept of potential diff…](https://www.gradenine.co.uk/q/explain-what-happens-to-the-current-0341fd60)
7. [A student connects three lamps in a parallel circuit. Describe two differences between a parallel circuit and a series c…](https://www.gradenine.co.uk/q/a-student-connects-three-lamps-in-0555c043)
8. [A fixed quantity of gas is compressed to a smaller volume at constant temperature. Explain, in terms of particles, why t…](https://www.gradenine.co.uk/q/a-fixed-quantity-of-gas-is-06702052)

## Related

- [Eduqas GCSE Physics revision notes](https://www.gradenine.co.uk/learn/eduqas-gcse-physics)
- [Eduqas GCSE Physics past papers](https://www.gradenine.co.uk/past-papers/eduqas-gcse-physics)
- [Practise with AI marking (free)](https://www.gradenine.co.uk/start)