Across
1
Flat grassland in tropical regions
5
Tool for finding directions
6
Distance east or west of prime meridian
10
Steep rock face at edge of land
11
Raised area of land, smaller than a mountain
Down
2
Mountain that can erupt with lava
3
Piece of land jutting into the sea
4
Largest ocean on Earth
6
Body of water surrounded by land
7
Total number of people in an area
8
Distance north or south of equator
9
Cold treeless Arctic plain