Shaping The Earth's Crust Flashcards
What is a tributary?
A stream or smaller river that joins a larger one.
What is the source of a river?
The place where the river begins.
What is the mouth of a river?
The place where the river enters the sea.
What is the course of a river?
The path it takes on its way to the sea.
List the three stages (in order) of a river.
- Youthful/Upper stage.
- Mature/Middle stage.
- Old or lower stage.
Rivers change the landscape by the processes of :
Erosion (wearing away material)
Transportation (moving material)
Deposition (dropping material)
List 2 features of an old river.
It flows very slowly and has little power to carry its load. It is almost flat.
What are the processes of waves eroding called?
Hydraulic action, compressed air, abrasion and attrition.
In what does the load of the sea consist?
Pebbles, silt and sand.
What is a sandpit?
A long, narrow ridge of sand or shingle.
What is a U-shaped valley?
A U-shaped valley is a glaciated valley that has steep sides and a wide, flat floor.
