Across
1
Where river meets the sea
4
Raised area of land, smaller than a mountain
5
Tool for finding directions
6
Large slow-moving mass of ice
7
Large natural stream of water
11
Low area between mountains
13
Distance east or west of prime meridian
Down
2
Mountain that can erupt with lava
3
Line dividing two countries
5
Steep rock face at edge of land
8
Total number of people in an area
9
Region between the two tropic lines
10
Ocean between Americas and Europe/Africa
12
Land surrounded by water