Across
- 4. the salty water that covers a large part of the surface of the earth, or a large area of salty water, smaller than an ocean, that is partly or completely surrounded by land
- 5. an area, often covered with sand or rocks, where there is very little rain and not many plants
- 9. a mountain with a large, circular hole at the top through which lava (= hot liquid rock) gases, steam, and dust are or have been forced out
- 10. a clear liquid, without colour or taste, that falls from the sky as rain and is necessary for animal and plant life
- 11. a piece of land completely surrounded by water:
- 12. an area of land that is higher than the surrounding land
Down
- 1. the land next to or close to the sea
- 2. a large area of land covered with trees and plants, usually larger than a wood, or the trees and plants themselves
- 3. a large area of water surrounded by land and not connected to the sea except by rivers or streams
- 6. a natural wide flow of fresh water across the land into the sea, a lake, or another river
- 7. an area of low land between hills or mountains, often with a river running through it
- 8. a raised part of the earth's surface, much larger than a hill, the top of which might be covered in snow
