4-mark practice questions — OCR GCSE Physics A: Gateway Science (J249)
108 questions · physics · View as Markdown
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
- Explain why gamma radiation is more hazardous to living cells than alpha radiation when a radioactive source is located …
- A student connects a battery, a lamp, and a switch in a series circuit. The student then adds a second identical lamp in…
- Explain how red-shift and cosmic microwave background radiation (CMBR) each provide evidence for the Big Bang Theory.
- A worker in a nuclear power plant is exposed to radiation from radioactive materials. Describe the precautions the worke…
- A homeowner installs cavity wall insulation in their house. Explain how cavity wall insulation reduces the rate at which…
- A chocolate manufacturer heats solid chocolate in a large vat until it melts completely. Once all the chocolate has melt…
- Describe how you could use a plotting compass and a straight bar magnet to investigate the shape of the magnetic field a…
- A ice skater glides across a smooth ice rink at a constant velocity. She then pushes off a barrier at the edge of the ri…