Across
1
Visual representation of an area
3
Land surrounded by water
6
Wearing away of land by water or wind
7
Piece of land jutting into the sea
8
Tool for finding directions
11
Ridge of rock or coral near the surface
Down
2
Deep narrow valley with steep sides
4
Half of the Earth
5
Low area between mountains
9
Region near the equator
10
Vast body of salt water
12
Low-lying land surrounded by higher ground