Across
1
Deep narrow valley with steep sides
5
Imaginary line around the middle of Earth
6
Seasonal heavy rainfall
7
Landform where river meets the sea
9
Half of the Earth
12
Raised area of land, smaller than a mountain
Down
1
Tool for finding directions
2
Cold treeless Arctic plain
3
Land surrounded by water on three sides
4
Where river meets the sea
8
Body of water surrounded by land
10
Large natural elevation of earth
11
Physical features of land
13
Flat elevated area of land