Across
1
Land surrounded by water
3
Tool for finding directions
6
Low area between mountains
7
Largest river in South America
8
Height above sea level
9
Low-lying land surrounded by higher ground
11
Steep rock face at edge of land
14
Region between the two tropic lines
Down
2
Mountain that can erupt with lava
4
Ocean between Americas and Europe/Africa
5
Deep narrow valley with steep sides
10
Largest ocean on Earth
12
Largest hot desert in the world
13
Total number of people in an area