| A | B |
| archipelago | a group of many islands |
| bay | a part of an ocean or lake extending into the land,usally smaller than a gulf |
| canal | a water way dug across land through which ships can pass |
| canyon | a deep narrow valley with high steep sides |
| cape | a point land extending into a body of water |
| channel | a narrow deep waterway connecting to two bodys of water; the deepest part of a river or waterway |
| cliff | a steep slope of rock or soil |
| continental shelf | a plateua beneath the ocean from which the continents rise |
| dam | a wall bulit across a stream or river to hold back water |
| delta | a triangular depoist of sand and soil that collects at the mouth of some rivers |
| divide | a ridge of land between two regions drained by different river system |
| fork | the place where a stream or river joins another river |
| glaicier | a huge mass of ice that moves slowly down a moutian |
| gulf | a part of an ocean extending into the land usully larger then a bay |
| harbor | a sheltered area of water where can anchor safely |
| highland | an area of mountians hills or plateaus |