WorksheetsRevision - River Environments
Total questions: 65
Worksheet time: 32mins
What are the characteristics of the upper course of a river?
Wide, deep channel
Shallow, narrow channel
Widest, deepest channel
They all are
What are the characteristics of the lower course of a river?
Wide, deep channel
Shallow, narrow channel
Widest, deepest channel
Which of the following are fluvial processes?
Erosion
Transportation
Deposition
All of the above
What is a drainage basin?
An area of land drained by a river and its tributaries.
The journey a river takes from source to mouth.
The point where a river begins.
True or false? The discharge of a river increases along its course as tributaries join it adding more water.
True
False
Which of the following are types of fluvial erosion?
Hydraulic action, abrasion, solution and longshore drift
Hydraulic action, abrasion, solution and suspension.
Hydraulic action, abrasion, solution and attrition.
Hydraulic action, abrasion, solution and traction
Traction refers to the way in which material in the river's load are bounced along the riverbed
True
False
When soluble particles are dissolved into the river it is called:
Hydraulic Action
Abrasion
Saltation
Solution
Which process involves large boulders and rocks being rolled along the river bed?
Saltation
Traction
Suspension
Solution
Which Process involves small pebbles and stones being bounced along the river bed?
Solution
Traction
Saltation
none of the above
Tiny particles such as silt are usually transported:
in solution
in suspension
by saltation
by traction
The load of the river is all the materials carried by the water
True
False
How many ways is the load transported in the river?
3
4
2
1
What river landforms are found in the upper course?
Gorge
Meander
Delta
Interlocking spurs
What type of erosion is prominent in the middle course?
Vertical erosion
Saltation
Solution
Lateral erosion
Name this type of erosion - the power of the water forcing air and water into cracks in the river bed and eroding it.
(a)
What is abrasion?
Rocks rubbing away the river bed like sandpaper
Small rocks hitting into each other
Acidic water dissolving rocks
Which of the following are types of fluvial transportation?
Traction, saltation, suspension and hydraulic action.
Traction, saltation, suspension and solution
Traction, saltation, suspension and saltation.
Traction, saltation, suspension and suspension.
What is deposition?
When material is carried by a river.
When material is eroded by a river
When material is dropped by river
When material is removed from the bed and banks
Which of the following are reasons for rivers depositing material?
The river becomes shallow.
When the volume of water decreases.
At the mouth of a river where energy reduces when it flows into the sea.
All of the above.
Which of the following landforms are found in the upper course of a river?
Waterfalls, gorges and meanders.
Waterfalls, gorges and floodplain.
Waterfalls, gorges and interlocking spurs.
Waterfalls, gorges and u-shaped valleys.
Which processes of erosion form plunge pools at the foot of waterfalls?
Solution and hydraulic action
Abrasion and hydraulic action
Attrition and hydraulic action
Attrition and abrasion
Identify the landform created as waterfalls retreat?
Interlocking spurs
Levee
Floodplain
Gorge
Where does deposition mostly occur?
Upper Course
Middle Course
Lower Course
On a meander, the fastest flowing part of the river is...
the outside bend
the inside bend
the left hand side
the middle
Which type of erosion is more common in the middle course of a river?
Vertical
Lateral
What feature is being described here? The inside bank of a meander on a river where sedimentary material is deposited as a result of the slower flow rate
Overhang
River cliff
Slip-off slope
Meander
True or false? An oxbow lake forms when the neck of a meander is eroded, and sediment is deposited on the new river bank.
True
False
What is a flood plain?
A narrow gorge formed along a river prone to flooding.
A large mound of material on the banks of a river that is prone to flooding.
A large are of flat land either side of a river prone to flooding.
A bend in a river prone to flooding.
What is a hydrograph?
A graph that shows how a river’s discharge responds to a precipitation event.
A graph that shows how a precipitation responds to a river’s discharge.
A graph that shows rainfall and flooding.
A graph that shows river velocity and rainfall.
How is data presented on a hydrograph?
The bars represent rainfall and the line shows discharge
The line represents rainfall and the bars shows discharge
The bars represent rainfall and the line shows velocity
The line represents rainfall and the bars shows velocity
What does the rising limb show?
the amount of water at the start of the flood
the amount of water at the end of the flood
the rising amount of water entering the river
the highest amount of water in the flood
What is the part of the hydrograph called?
rising limb
peak discharge
falling limb
peak rainfall
What is the lag time?
the time between rising limb and falling limb
the time between discharge and time
the time between the start and end of the flood
the time between peak rainfall and peak discharge
What is this part of the hydrograph called?
rising limb
peak discharge
falling limb
peak rainfall
On a hydrograph the rising limb will always be steeper than its falling limb due to surface run-off. True or false?
True
False
True or false?
Weathering breaks down rocks on the valley and channel sides.
True
False
Which of the following describes mechanical weathering?
Rock is broken down because of changes to its chemical composition.
Rock is broken down by living things.
Rock is broken down without any changes to its chemical composition.
Which of the following describes chemical weathering?
Rock is broken down because of changes to its chemical composition.
Rock is broken down by living things.
Rock is broken down without any changes to its chemical composition.
Which type of weathering is freeze-thaw an example of?
Chemical weathering
Biological weathering
Mechanical weathering
What is the course of a river?
The point where a river starts.
The cross section of a river.
The path of a river.
The point where a river ends.
What is a long profile?
A line representing the river from its source to its mouth.
A line from one river bank to another.
The point where a river starts.
An area of land drained by a river and its tributaries.
A ………………………………. is the area of land drained by a river system ( a river and its tributaries).
Watershed
Drainage Basin
Confluence
Water table
The hydrological cycle is often described as an _____________ cycle.
Open
Leaky
Spikey
Closed
A _________ is a smaller stream/river that contributes to the main river a drainage basin.
Tributary
Mouth
Watershed
Source
What is the energy source for the hydrological cycle?
the Sun
the Earth
water
the Moon
What is an area of land drained by a main river and its tributaries?
Watershed
Bath Tub
Drainage Basin
Water Cycle
What marks the boundary between two drainage basins?
A fence
A river
A watershed
A confluence
Spring
The place where two river join together.
tributary
mouth
source
confluence
How is lag time on a hydrograph measured?
It is the time between the most rainfall event and the most water in the river.
It is the time from the beginning of the rainfall and the most water in the river.
It is the time from the beginning and the end of the rainfall event.
It is the time between the beginning of the start of the line to the end of the line
This is the name for the part of the graph showing an increase in discharge
Rising hand
Rising leg
Rising arm
Rising limb
Weathering is the process of -
Moving sediment from one place to another
Dropping or leaving sediment in a location
Breaking down rocks into sediment
How does big boulders or big objects get transported?
by saltation
By traction
By suspension
By solution
