River Processes
What do you call the process where rivers wear away the land?
erosion
What is evaporation?
When water changes from a liquid to a gas
What do we call the start of a river?
the source
What type of rock prevents water from soaking into the soil?
impermeable rock
What is transportation?
The process where rivers move their load downstream
What is condensation?
when water vapor cools and forms clouds
What do we call the point where two rivers meet?
confluence
In which part of a river does most deposition occur?
lower course
What do you call the process where rivers drop their load ?
Deposition
What are four types of precipitation?
rain, snow, sleet or hail
What is the mouth of a river?
the end of a river where it enters the sea
In which part of a river are V-shaped valleys formed?
upper course
What are the four ways rivers transport material?
traction, saltation, suspension, solution
What's an example of how water is collected?
run-off, infiltration, throughflow, direct precipitation
What is a watershed?
the invisible boundary between different drainage basins
How can rivers chemically erode rocks like limestone?
solution
Why is a river’s load heavier near its source?
hasn't eroded yet
What are the steps of the water cycle?
evaporation, condensation, precipitation, collection
What is the name for smaller rivers that join the main channel?
Tributary
In which part of a river is suspension transportation most common?
middle or lower course