1. Water vocabulary review

2. The downhill slope of a stream.
Stream gradient
The downhill slope of a stream.

3. A body of saturated rock through which water can move readiy.
Aquifer
A body of saturated rock through which water can move readiy.

4. A broad strip of land on either side of a stream channel.
Floodplain
A broad strip of land on either side of a stream channel.

5. sill
dike
stock
neck
Alluvial fan
A fan-shaped pile of sediment where a stream emerges onto a flat plain.

6. A smaller valley that terminates above a main valley.
Hanging valley
A smaller valley that terminates above a main valley.

7. A pronounced sinuous curve along a stream’s course.
Meander
A pronounced sinuous curve along a stream’s course.

8. A deposit on the inside of a curve of the stream.
Point bar
A deposit on the inside of a curve of the stream.

9. The percentage of a rock’s volume taken up by openings.
Porosity
The percentage of a rock’s volume taken up by openings.

10. The volume of water in a river.
Discharge
The volume of water in a river.

11. Till piled up along the front edge of a glacier.
End moraine
Till piled up along the front edge of a glacier.

12. A sharp ridge that separates adjacent glacially carved valleys.
Arete
A sharp ridge that separates adjacent glacially carved valleys.

13. An area with many sinkholes, caves and very few streams.
Karst topography
An area with many sinkholes, caves and very few streams.

14. A type of hot spring that erupts hot water.
Geyser
A type of hot spring that erupts hot water.

15. Unsorted rock debris carried by a glacier.
Till
Unsorted rock debris carried by a glacier.

16. An open fissure(crack) in a glacier.
Crevasse
An open fissure(crack) in a glacier.

17. Tarn
A lake in a depression caused by glacial erosion. (at the base of the cirque)

18. The movement of water between the sea, the land and the atmosphere.
Hydrologic cycle
The movement of water between the sea, the land and the atmosphere.

19. A large mass of ice formed by the recrystallization of snow.
Glacier
A large mass of ice formed by the recrystallization of snow.

20. Cirque
A steep, amphitheater like hollow in a mountain at the head of a glacial valley.

21. Oxbow lake
A crescent-shaped lake occupying the abandoned channel of a stream meander.

22. The capacity of a rock to transmit fluid.
Permeability
The capacity of a rock to transmit fluid.

23. A sharp peak where cirques cut into a mountain on several sides.
Horn
A sharp peak where cirques cut into a mountain on several sides.