Across
1
Where river meets the sea
4
Land surrounded by water
6
Large body of water partly enclosed by land
7
Vast body of salt water
8
Narrow sea inlet between cliffs
9
Half of the Earth
10
Height above sea level
11
Distance east or west of prime meridian
Down
2
Distance north or south of equator
3
Chain or group of islands
5
One of seven major landmasses