Across
- 1. the beginning of something
- 3. skill or knowledge gained by doing
- 7. melted rock from a volcano
- 8. pure carbon
- 10. the number that results from multiplying a number by itself
- 12. manages access to a centralized resource
- 13. a strong light that guides ships
- 15. a magic drink
- 17. raised to the third power
- 18. a heavy thick board
Down
- 1. produce or lay eggs in water
- 2. harm that is done
- 4. a tool used for breaking rocks
- 5. tiny, loose piece of rock
- 6. where metals are smelted
- 9. a rich source of supply
- 11. a set of instructions
- 13. an area of land surrounded by four streets in a city
- 14. a garden tool with a flat blade
- 16. used to make bricks