Across
1
Largest ocean on Earth
4
Seasonal heavy rainfall
6
Goods brought in from another country
7
Ridge of rock or coral near the surface
8
Steep rock face at edge of land
10
Chain or group of islands
11
Cold treeless Arctic plain
12
Tool for finding directions
Down
2
Narrow sea inlet between cliffs
3
Half of the Earth
5
Mountain that can erupt with lava
9
Deep narrow valley with steep sides