Across
1
Half of the Earth
6
Dry land with little rainfall
7
Region surrounding the North Pole
8
Total number of people in an area
9
Large slow-moving mass of ice
11
Ocean between Americas and Europe/Africa
Down
2
Ridge of rock or coral near the surface
3
One of seven major landmasses
4
Raised area of land, smaller than a mountain
5
Chain or group of islands
10
Region between the two tropic lines