Across
1
Where river meets the sea
5
Mountain that can erupt with lava
6
Raised area of land, smaller than a mountain
7
Region surrounding the North Pole
8
Large area covered with trees
10
Landform where river meets the sea
12
Tool for finding directions
Down
2
Vast body of salt water
3
Long-term weather patterns of an area
4
Height above sea level
5
Low area between mountains
9
Imaginary line around the middle of Earth
11
Largest ocean on Earth