Across
1
Large slow-moving mass of ice
5
One of seven major landmasses
6
Deep narrow valley with steep sides
7
Large area covered with trees
9
Flat grassland in tropical regions
10
Region between the two tropic lines
Down
2
Raised area of land, smaller than a mountain
3
Largest ocean on Earth
4
Height above sea level
5
Steep rock face at edge of land
8
Land surrounded by water on three sides
