Across
1
Large slow-moving mass of ice
2
Region between the two tropic lines
4
Deep narrow valley with steep sides
5
Seasonal heavy rainfall
8
Imaginary line around the middle of Earth
10
Raised area of land, smaller than a mountain
11
Half of the Earth
Down
2
Cold treeless Arctic plain
3
Tool for finding directions
6
Goods brought in from another country
7
Large natural stream of water
9
Vast body of salt water
12
Largest ocean on Earth