Across
1
Visual representation of an area
3
Low-lying land surrounded by higher ground
4
Largest ocean on Earth
6
Goods sold to another country
8
Ridge of rock or coral near the surface
10
Land surrounded by water on three sides
11
Steep rock face at edge of land
Down
2
Region surrounding the North Pole
5
Distance east or west of prime meridian
7
Imaginary line around the middle of Earth
9
Half of the Earth
12
Where river meets the sea