Across
1
Chain or group of islands
6
Flat grassland in tropical regions
7
Height above sea level
8
Steep rock face at edge of land
10
Imaginary line around the middle of Earth
12
Ridge of rock or coral near the surface
Down
2
Half of the Earth
3
One of seven major landmasses
4
Distance north or south of equator
5
Area where water covers the soil
9
Large area covered with trees
11
Physical features of land