Across
1
Flat elevated area of land
4
Flat grassland in tropical regions
5
Where river meets the sea
6
Distance north or south of equator
10
Large natural elevation of earth
Down
2
Deep narrow valley with steep sides
3
Mountain that can erupt with lava
7
Area where water covers the soil
8
Large slow-moving mass of ice
9
Visual representation of an area
11
Largest river in South America
12
Dry land with little rainfall