Across
1
Largest river in South America
4
Ocean between Americas and Europe/Africa
5
Large slow-moving mass of ice
6
Low-lying land surrounded by higher ground
7
Distance east or west of prime meridian
Down
1
Chain or group of islands
2
Seasonal heavy rainfall
3
Deep narrow valley with steep sides
4
Height above sea level
8
Raised area of land, smaller than a mountain
9
Steep rock face at edge of land
10
Long-term weather patterns of an area