Across
1
Half of the Earth
5
Mountain that can erupt with lava
10
Physical features of land
11
Tool for finding directions
12
Region surrounding the North Pole
14
Wearing away of land by water or wind
15
Flat grassland in tropical regions
Down
2
Large area covered with trees
3
One of seven major landmasses
4
Height above sea level
6
Region near the equator
7
Long-term weather patterns of an area
8
Line dividing two countries
9
Chain or group of islands
13
Largest ocean on Earth