Across
1
Ridge of rock or coral near the surface
4
Deep narrow valley with steep sides
5
Mountain that can erupt with lava
6
Goods brought in from another country
7
Raised area of land, smaller than a mountain
8
Land surrounded by water on three sides
10
Area where water covers the soil
12
Large natural stream of water
Down
2
Large slow-moving mass of ice
3
Wearing away of land by water or wind
9
Ocean between Americas and Europe/Africa
11
Tool for finding directions