Across
1
Large slow-moving mass of ice
4
Ridge of rock or coral near the surface
5
Low-lying land surrounded by higher ground
6
Visual representation of an area
8
Region between the two tropic lines
9
Half of the Earth
10
Land surrounded by water on three sides
Down
2
Distance north or south of equator
3
Where river meets the sea
7
Flat grassland in tropical regions