Across
1
Land surrounded by water
3
Largest river in South America
7
Tool for finding directions
8
Area where water covers the soil
9
Body of water surrounded by land
10
Steep rock face at edge of land
11
Where river meets the sea
12
Chain or group of islands
Down
2
Deep narrow valley with steep sides
4
Large area covered with trees
5
Distance north or south of equator
6
Flat grassland in tropical regions
13
Land surrounded by water on three sides