Across
- 3. A mixture of metals, like steel or bronze.
- 5. The centre of the Earth, made of metal.
- 7. Magma that has erupted onto the surface.
- 10. A shiny material that conducts heat and electricity.
- 14. The process of getting metals out of ores.
- 18. A property of metals that lets them be stretched into wires.
- 19. The thick layer beneath the crust, made of hot rock.
- 20. The solid part at the very centre of the Earth.
Down
- 1. A mountain that erupts with lava and ash.
- 2. Hot, melted rock found under the Earth's surface.
- 4. A rock that contains useful metals.
- 6. A list showing how easily metals react.
- 8. Huge pieces of the Earth's crust that move.
- 9. A property of metals that lets them be bent or shaped.
- 11. A sudden shaking of the ground caused by moving plates.
- 12. What happens when iron reacts with water and oxygen.
- 13. The gradual destruction of metals by chemical reactions.
- 15. The liquid layer around the inner core.
- 16. The Earth's outermost layer where we live.
- 17. A material that allows electricity to flow through it.