# "Explain" questions — Cambridge International IGCSE Physics (0625)

> 90 questions · physics

## How to answer

WHAT + WHY. Every point paired with a because. Structure: X happens because Y. This causes Z because … Assessment Objective: AO2. Every "explain" answer on this spec is marked against exactly this pattern.

## Sample questions

1. [A fishing weight is made from lead and a fishing float is made from cork. Both objects have the same mass. Explain why t…](https://www.gradenine.co.uk/q/a-fishing-weight-is-made-from-054efad5)
2. [A paper leaf and a metal coin are both released from rest at the same height above the ground. The paper leaf takes much…](https://www.gradenine.co.uk/q/a-paper-leaf-and-a-metal-06e8fe5c)
3. [A teacher strikes a tuning fork and holds it close to the open end of a hollow tube. A student at the far end of the tub…](https://www.gradenine.co.uk/q/a-teacher-strikes-a-tuning-fork-0701a34f)
4. [An electromagnet is used in a scrapyard to lift pieces of scrap iron. Explain why an electromagnet is more suitable for …](https://www.gradenine.co.uk/q/an-electromagnet-is-used-in-a-0c18c6cd)
5. [A rock sample has the same mass on the surface of Jupiter as it does on the surface of Earth. Explain why the weight of …](https://www.gradenine.co.uk/q/a-rock-sample-has-the-same-0df3e530)
6. [Explain why X-rays are used to produce images of bones inside the human body, but infrared radiation is not suitable for…](https://www.gradenine.co.uk/q/explain-why-x-rays-are-used-to-0eaddba1)
7. [A spring is stretched beyond its limit of proportionality. Explain what this means for the relationship between the load…](https://www.gradenine.co.uk/q/a-spring-is-stretched-beyond-its-135b12f0)
8. [Explain why an electromagnet is more suitable than a permanent magnet for use in a scrapyard crane that picks up and rel…](https://www.gradenine.co.uk/q/explain-why-an-electromagnet-is-more-1442c2aa)

## Related

- [Cambridge International IGCSE Physics (0625) revision notes](https://www.gradenine.co.uk/learn/cambridge-international-igcse-physics-0625)
- [Cambridge International IGCSE Physics (0625) past papers](https://www.gradenine.co.uk/past-papers/cambridge-international-igcse-physics-0625)
- [Practise with AI marking (free)](https://www.gradenine.co.uk/start)