New
New
Year 9

The middle and lower course of a river

I can describe the characteristics and landforms associated with the middle and lower course of a river.

New
New
Year 9

The middle and lower course of a river

I can describe the characteristics and landforms associated with the middle and lower course of a river.

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Lesson details

Key learning points

  1. As the river flows downstream, the gradient becomes flatter and the river becomes wider and deeper.
  2. Landforms such as meanders form in the middle course of a river.
  3. Landforms such as levees, flodplains, estuaries and deltas can be found in the lower course.
  4. Over time oxbow lakes can form when meander loops become cut off following a flood.
  5. Deposition occurs in the lower course and this forms landforms such as deltas and estuaries.

Keywords

  • Meander - a winding bend in a river

  • Oxbow lake - a curved lake formed by an old meander

  • Levee - an embankment alongside a river

  • Floodplain - a flat area of land either side of a river which experiences flood in periods of high river flow

  • Estuary - the tidal mouth of a river, where the river meets the sea or ocean

Common misconception

Levees are man made.

Levees can be built as a flood defence but they can also be created naturally.


To help you plan your year 9 geography lesson on: The middle and lower course of a river, download all teaching resources for free and adapt to suit your pupils' needs...

Use google maps satelite view to show the colour of rivers near the estruary to show where deposition is taking place.
Teacher tip

Equipment

Licence

This content is © Oak National Academy Limited (2025), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

Lesson video

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Prior knowledge starter quiz

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6 Questions

Q1.
What is river erosion?
Correct answer: the breaking down and removal of rocks and soil by the river
the movement of water underground
water soaking into the ground
the flow of water in a river
Q2.
Why is the hydrological cycle important?
It helps control Earth’s temperature.
It supports plant and animal life.
It provides fresh water.
Correct answer: All of the above
Q3.
What is precipitation?
water soaking into the ground
water turning into vapour
Correct answer: water falling from clouds as rain, snow, sleet, or hail
water evaporating from the ocean
Q4.
What is the largest river in the world by length?
Amazon River
Mississippi River
Correct answer: Nile River
Q5.
What is the name of a waterfall’s steep drop?
riverbed
cliff
Correct answer: plunge pool
estuary
Q6.
What is the main cause of river erosion?
wind
the sun
Correct answer: flowing water
earthquakes

Assessment exit quiz

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4 Questions

Q1.
What is the main feature formed in the middle course of a river?
waterfall
Correct answer: meander
v-shaped valley
corrie
Q2.
What is a floodplain?
a steep-sided valley
a waterfall plunge pool
Correct answer: flat land next to a river that often floods
a rocky riverbed
Q3.
What causes the formation of levees?
only human construction
Correct answer: deposition during flooding
earthquakes
glacial movement
Q4.
Which process increases in the lower course?
vertical erosion
Correct answer: deposition
traction
weathering