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Year 7

Depositional coastal landforms

I can explain depositional processes and describe the coastal landforms they create.

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New
New
Year 7

Depositional coastal landforms

I can explain depositional processes and describe the coastal landforms they create.

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Lesson details

Key learning points

  1. Longshore drift is the lateral movement of sediment across the beach through swash and backwash.
  2. Longshore drift creates depositional landforms such as spits, bars and tombolos.
  3. Spits are long narrow ridges of sand or shingle which project from a coastline into the sea.
  4. Salt marshes may form behind spits, as these are low energy zones.
  5. Spits can change direction due to the prevailing wind, which makes them curve into a hook.

Keywords

  • Deposition - when material such as sand, mud or rocks is dropped by the water that was carrying it

  • Transportation - transportation is when water moves sand, mud and rocks

  • Swash - when a wave rushes up the beach

  • Backwash - when the water from a wave retreats back into the sea

  • Sediment - material that is moved by water or air and settles in another place

Common misconception

That the direction of the prevailing wind is the direction that the wind is blowing in at any particular time.

The prevailing wind is wind from a particular direction that is most frequently experienced in a location. Winds can come from other directions, especially in stormy conditions, but they are not the same as the prevailing wind.


To help you plan your year 7 geography lesson on: Depositional coastal landforms, download all teaching resources for free and adapt to suit your pupils' needs...

Use internet software to look at satellite images of spits and other depositional landforms around the UK, and in other places around the world. Ask students to compare them and talk about similarities and differences. This will help them to identify the features of the landforms.
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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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6 Questions

Q1.
__________ is the process where rocks are worn away.
Deposition
Correct answer: Erosion
Construction
Division
Q2.
Match the key word and its definition.
Correct Answer:erosion,the wearing away of rock
tick

the wearing away of rock

Correct Answer:transportation,when water moves sand, mud and rocks from one place to another
tick

when water moves sand, mud and rocks from one place to another

Correct Answer:deposition,when sand, mud or rocks are dropped by the water that was carrying it
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when sand, mud or rocks are dropped by the water that was carrying it

Q3.
Deposition happens at the coast when a wave energy and can no longer carry its load.
Correct Answer: loses
Q4.
What do you think longshore drift could mean?
Correct answer: the lateral movement of sediment across a beach
how far a wave travels
the direction of the prevailing wind
the process of wearing away of rocks
Q5.
The __________ is wind from a particular direction most frequently experienced in a location.
Correct answer: prevailing wind
strongest wind
storm wind
Q6.
Which of the following are true?
deposition only happens in bays
Correct answer: waves can deposit sediment and other debris at the coast
deposition happens when waves have lots of energy
Correct answer: deposition happens when waves lose energy

4 Questions

Q1.
Match the key words with their definition.
Correct Answer:deposition,when material such as sand, mud or rocks is dropped by water
tick

when material such as sand, mud or rocks is dropped by water

Correct Answer:transportation,when water moves sand, mud and rocks from one place to another
tick

when water moves sand, mud and rocks from one place to another

Correct Answer:swash,when a wave rushes up the beach
tick

when a wave rushes up the beach

Correct Answer:backwash,when the water from a wave retreats back into the sea
tick

when the water from a wave retreats back into the sea

Correct Answer:sediment,material that is moved by water or air and settles in another place
tick

material that is moved by water or air and settles in another place

Q2.
Longshore drift occurs when ...
1 - waves approach the coast at an angle because of the prevailing wind. Sediment is
2 - transported along the coast by the waves.
3 - The swash moves the sediment up the beach at an angle due to
4 - the prevailing wind. Backwash
5 - carries sediment back towards the sea because of gravity.
6 - The process repeats itself along the coast, in a zigzag pattern.
Q3.
Which of these are landforms created by the transportation and deposition of sediment?
Correct answer: spits
Correct answer: bars
stacks
headlands
Q4.
A forms when longshore drift is interrupted because of a change of direction at the coastline.
Correct Answer: spit