Across
1
Low-lying land surrounded by higher ground
3
Chain or group of islands
4
Height above sea level
5
Wearing away of land by water or wind
12
Distance east or west of prime meridian
13
Visual representation of an area
14
Flat grassland in tropical regions
Down
2
Half of the Earth
6
Flat elevated area of land
7
Landform where river meets the sea
8
Ocean between Americas and Europe/Africa
9
Mountain that can erupt with lava
10
Cold treeless Arctic plain
11
Steep rock face at edge of land