Across
1
Region between the two tropic lines
4
Landform where river meets the sea
5
Low area between mountains
9
Area where water covers the soil
10
Large slow-moving mass of ice
11
Chain or group of islands
12
Region surrounding the North Pole
13
Flat elevated area of land
15
Low-lying land surrounded by higher ground
Down
2
Largest hot desert in the world
3
Half of the Earth
6
Where river meets the sea
7
One of seven major landmasses
8
Distance north or south of equator
14
Distance east or west of prime meridian