Across
1
Physical features of land
4
Low area between mountains
6
Mountain that can erupt with lava
10
Chain or group of islands
11
Ridge of rock or coral near the surface
12
Land surrounded by water
Down
2
Dry land with little rainfall
3
Raised area of land, smaller than a mountain
5
Largest river in South America
7
Large slow-moving mass of ice
8
Piece of land jutting into the sea
9
Large area covered with trees
13
Region surrounding the North Pole