Across
- 2. a system of government with many rules and levels of administration
- 5. harmful and potentially cancerous
- 6. a person who designs buildings
- 7. a strong and uncontrollable desire to start fires
- 10. the act of starting an engine
- 11. tiny particles spread through the air
- 12. a device connected to a water supply and used by firefighters
- 13. harmless and not likely to cause serious damage
Down
- 1. a disease that spreads across countries
- 3. coming from beyond Earth
- 4. a scientist who studies rocks
- 8. an underground layer that stores water
- 9. absorbing heat from the surroundings