Across
1
Imaginary line around the middle of Earth
4
Large body of water partly enclosed by land
6
Large natural stream of water
7
Where river meets the sea
9
Body of water surrounded by land
11
Mountain that can erupt with lava
Down
2
Physical features of land
3
Flat elevated area of land
5
Line dividing two countries
8
Large slow-moving mass of ice
10
Largest hot desert in the world