Across
1
One of seven major landmasses
3
Tool for finding directions
7
Low-lying land surrounded by higher ground
8
Large body of water partly enclosed by land
9
Deep narrow valley with steep sides
10
Land surrounded by water
Down
2
Large area covered with trees
4
Region between the two tropic lines
5
Largest river in South America
6
Total number of people in an area
11
Ridge of rock or coral near the surface