Across
1
Mountain that can erupt with lava
3
Ridge of rock or coral near the surface
5
Flat elevated area of land
7
Height above sea level
8
Distance north or south of equator
9
Physical features of land
10
Largest river in South America
Down
2
Body of water surrounded by land
3
Large natural stream of water
4
Region surrounding the North Pole
6
Where river meets the sea
11
Long-term weather patterns of an area
12
Large area covered with trees
13
Cold treeless Arctic plain