Across
1
Distance north or south of equator
3
Flat grassland in tropical regions
6
Height above sea level
7
Low-lying land surrounded by higher ground
8
Region between the two tropic lines
12
Area where water covers the soil
13
Chain or group of islands
Down
2
Mountain that can erupt with lava
4
Long-term weather patterns of an area
5
Large body of water partly enclosed by land
9
Where river meets the sea
10
Ridge of rock or coral near the surface
11
Flat elevated area of land
14
Large natural elevation of earth