Across
1
Flat elevated area of land
4
Body of water surrounded by land
5
Imaginary line around the middle of Earth
7
Ocean between Americas and Europe/Africa
8
Cold treeless Arctic plain
9
Piece of land jutting into the sea
11
Tool for finding directions
Down
2
Flat grassland in tropical regions
3
Mountain that can erupt with lava
6
Large slow-moving mass of ice
10
Low-lying land surrounded by higher ground
12
Landform where river meets the sea