# "Describe" questions — OCR GCSE Physics A: Gateway Science (J249)

> 16 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 worker in a nuclear power plant is exposed to radiation from radioactive materials. Describe the precautions the worke…](https://www.gradenine.co.uk/q/a-worker-in-a-nuclear-power-0db639aa)
2. [Describe how you could use a plotting compass and a straight bar magnet to investigate the shape of the magnetic field a…](https://www.gradenine.co.uk/q/describe-how-you-could-use-a-1016ff2c)
3. [Describe how electricity generated at a power station reaches homes through the National Grid, including the role of tra…](https://www.gradenine.co.uk/q/describe-how-electricity-generated-at-a-2104a6e5)
4. [A hydroelectric power station and a nuclear power station both generate electricity. Describe the process by which each …](https://www.gradenine.co.uk/q/a-hydroelectric-power-station-and-a-2f928fd8)
5. [A solar farm is built in a sunny region to supply electricity to nearby homes. Describe how the energy source used by th…](https://www.gradenine.co.uk/q/a-solar-farm-is-built-in-46dacf0e)
6. [Describe the life cycle of a star similar in size to the Sun, starting from a nebula and ending at its final stage.](https://www.gradenine.co.uk/q/describe-the-life-cycle-of-a-67d38b3a)
7. [A student places a straight wire horizontally between the poles of a permanent magnet so that the wire is at right angle…](https://www.gradenine.co.uk/q/a-student-places-a-straight-wire-79ee96f6)
8. [A technician is storing three different radioactive sources in a laboratory. One source emits alpha radiation, one emits…](https://www.gradenine.co.uk/q/a-technician-is-storing-three-different-7b90b45a)

## Related

- [OCR GCSE Physics A: Gateway Science (J249) revision notes](https://www.gradenine.co.uk/learn/ocr-gcse-physics-a-gateway-science-j249)
- [OCR GCSE Physics A: Gateway Science (J249) past papers](https://www.gradenine.co.uk/past-papers/ocr-gcse-physics-a-gateway-science-j249)
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