1. Where's the majority of background radiation from?
- The soil
- The grass and other vegetation
- The sea
- The air
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Other questions in this quiz
2. Name 3 uses of static electricity...
- Deifbrillators and washing machines
- Defibrillators, smoke detectors and spray painting
- Spray painting and computer making
- To shock your friends
3. What are tracers used for?
- Finding, leaks/blockages/routes of pipes and for searching through rubbish
- For searching for drugs
- For Searching through rubbish and lost items
- As terminals in an airport to check for explosives, sharp objects and anything else illegal that should not be leaving the country
4. What is gamma radiation?
- An electromagnetic wave
- A fast moving electron
- A helium nucleus
5. Which wire is brown?
- Fuse wire
- Live Wire
- Earth Wire
- Neutral Wire