Category 1
Category 2
Category 3
100
A wider, laterally eroded section of a river, usually found in the middle and lower courses
What is a U-shaped valley?
100
A deeply eroded section of a river, normally found in the higher course
What is a V-shaped valley?
100
A feature found in the higher course of a river when the water cascades from a high elevation
What is a waterfall?
200
An extreme bend in the course of a river, usually occurring in a series
What are meanders?
200
A small stone made smooth by erosion
What is a pebble?
200
A valley with very high vertical walls, carved by water over time
What is a canyon?
300
Enormous bodies of ice that slide with the force of gravity until areas where it melts
What is a glacier?
300
Layers of rock or sediments that contain and circulate groundwater
What is an aquifer?
300
A steep rock face, especially at the edge of the sea
What is a cliff?
400
Limestone sediments deposited on the edges of deserts
What is a loess?
400
The difference between a delta and an estuary
What is the quantity of sediment deposited and the capacity of the sea to erode them?
400
A ridge of loose sediment formed by the wind, especially on the sea coast or in a desert
What is a dune?
500
Limestone landscape which has been eroded by dissolution, producing ridges, towers, and fissures
What is a karst?
500
A tower of rock in which the base has been eroded to be slim and the top remains large and round
What is a mushroom rock?
500
Large strips of sediment left by glacial movement
What is a moraine?