"Describe and explain" questions — WJEC A-Level Physics (Wales)
8 questions · physics · View as Markdown
How to answer
"describe and explain" questions from WJEC A-Level Physics (Wales). Read the rubric carefully — the marking points cluster into scientific ideas rather than free-form prose.
Sample questions
- A student holds a bar magnet near a pile of iron filings and some small pieces of plastic. Describe what happens to the …
- A student shines a ray of light from water into air. The ray hits the boundary between water and air at an angle. Descri…
- A sealed container holds a fixed quantity of gas at constant temperature. Describe and explain what happens to the press…
- A student uses an electric fan heater to warm a room. Describe the useful energy transfer and the waste energy transfer …
- A sample of radioactive material emits alpha particles. Describe the nature of an alpha particle and explain what happen…
- A sprinter runs 100 m along a straight track in 12.5 s, then immediately turns around and jogs back 40 m towards the sta…
- Describe the properties of laser light that make it different from the light produced by a torch, and explain why these …
- A teacher demonstrates waves using a long slinky spring stretched along the floor. The teacher pushes and pulls one end …