Across
1
Land surrounded by water
4
Where river meets the sea
5
Steep rock face at edge of land
7
Largest ocean on Earth
9
Distance east or west of prime meridian
10
Large natural stream of water
12
Piece of land jutting into the sea
Down
2
Flat elevated area of land
3
Large slow-moving mass of ice
6
Distance north or south of equator
8
Low-lying land surrounded by higher ground
11
Dry land with little rainfall
13
Deep narrow valley with steep sides