Across
1
Large slow-moving mass of ice
5
Cold treeless Arctic plain
6
Low-lying land surrounded by higher ground
7
Landform where river meets the sea
8
Vast body of salt water
10
Half of the Earth
11
Goods sold to another country
Down
2
Area where water covers the soil
3
Deep narrow valley with steep sides
4
Long-term weather patterns of an area
9
Dry land with little rainfall
12
Tool for finding directions