Across
1
One of seven major landmasses
4
Imaginary line around the middle of Earth
6
Line dividing two countries
7
Wearing away of land by water or wind
8
Landform where river meets the sea
9
Physical features of land
10
Land surrounded by water
11
Largest ocean on Earth
12
Area where water covers the soil
Down
1
Deep narrow valley with steep sides
2
Region near the equator
3
Height above sea level
4
Where river meets the sea
5
Chain or group of islands