Across
1
Chain or group of islands
4
Landform where river meets the sea
8
Low-lying land surrounded by higher ground
9
Ridge of rock or coral near the surface
10
Mountain that can erupt with lava
11
Raised area of land, smaller than a mountain
12
Visual representation of an area
Down
1
Height above sea level
2
Cold treeless Arctic plain
3
Flat elevated area of land
5
Largest ocean on Earth
6
Goods brought in from another country
7
Distance east or west of prime meridian