Across
1
Mountain that can erupt with lava
5
Imaginary line around the middle of Earth
7
Raised area of land, smaller than a mountain
8
Goods brought in from another country
9
Tool for finding directions
10
Largest hot desert in the world
Down
2
Largest river in South America
3
Large slow-moving mass of ice
4
Large area covered with trees
6
Chain or group of islands
11
Half of the Earth
12
Low-lying land surrounded by higher ground