Across
1
Region near the equator
4
Flat grassland in tropical regions
6
Steep rock face at edge of land
7
Deep narrow valley with steep sides
11
Mountain that can erupt with lava
12
Land surrounded by water
Down
2
Ocean between Americas and Europe/Africa
3
Large natural elevation of earth
5
Large slow-moving mass of ice
7
Piece of land jutting into the sea
8
Area where water covers the soil
9
Low-lying land surrounded by higher ground
10
Large area covered with trees