Across
1
Body of water surrounded by land
4
Large area covered with trees
5
Wearing away of land by water or wind
7
Chain or group of islands
8
Low area between mountains
9
Half of the Earth
Down
2
Piece of land jutting into the sea
3
Imaginary line around the middle of Earth
6
Flat grassland in tropical regions
10
Line dividing two countries
11
Ocean between Americas and Europe/Africa