Across
1
Cold treeless Arctic plain
4
Tool for finding directions
5
Narrow sea inlet between cliffs
6
One of seven major landmasses
7
Long-term weather patterns of an area
8
Mountain that can erupt with lava
Down
1
Region between the two tropic lines
2
Wearing away of land by water or wind
3
Ocean between Americas and Europe/Africa
4
Deep narrow valley with steep sides
9
Chain or group of islands