Across
1
Half of the Earth
4
Low-lying land surrounded by higher ground
6
Large body of water partly enclosed by land
8
Narrow sea inlet between cliffs
9
Raised area of land, smaller than a mountain
10
Large natural elevation of earth
11
Landform where river meets the sea
Down
2
Vast body of salt water
3
Chain or group of islands
5
Where river meets the sea
7
Large slow-moving mass of ice