Across
1
Seasonal heavy rainfall
3
Large slow-moving mass of ice
5
Large area covered with trees
9
Mountain that can erupt with lava
10
Half of the Earth
11
Flat grassland in tropical regions
Down
2
Imaginary line around the middle of Earth
4
Tool for finding directions
5
Narrow sea inlet between cliffs
6
Region between the two tropic lines
7
Largest river in South America
8
Ridge of rock or coral near the surface