Across
1
Raised area of land, smaller than a mountain
3
Physical features of land
5
Large slow-moving mass of ice
9
Deep narrow valley with steep sides
10
Land surrounded by water
11
Largest river in South America
Down
2
Distance east or west of prime meridian
4
Flat elevated area of land
6
Ocean between Americas and Europe/Africa
7
Half of the Earth
8
Area where water covers the soil