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Quiz about Basic Theory of Longshore Drift

Basic Theory of Longshore Drift Quiz

Longshore drift is the movement of geological material along a coastline due to incoming and outgoing waves. This quiz takes a look at the fundamentals of the process and its impact on the shores of Great Britain.

A multiple-choice quiz by jonnowales. Estimated time: 3 mins.

Author
jonnowales

Time
3 mins

Type
Multiple Choice

Quiz #
203,965

Updated
Aug 13 24

# Qns
10

Difficulty
Average

Avg Score
6 / 10

Plays
939

One at a Time - Single Page - Timed Game

Question 1 of 10

1. What compass direction are the waves coming from that affect the south coast of Britain? Hint

North Easterly

North Westerly

South Westerly

South Easterly

NEXT>

Question 2 of 10

2. At what angle do swash waves come in on the British coastline? Hint

40 degrees

55 degrees

50 degrees

45 degrees

NEXT>

Question 3 of 10

3. If the incoming wave is called a swash wave, what is the outgoing wave called? Hint

Backswash

Backwash

Retroswash

Retreat wave

NEXT>

Question 4 of 10

4. At what angle does an outgoing wave enter the sea? Hint

85 degrees

90 degrees

95 degrees

100 degrees

NEXT>

Question 5 of 10

5. Sea defences are used to help minimise the impact of longshore drift. Which of these sea defences, built perpendicular to the shore, is often made of wood? Hint

Revetments

Groynes

Waveblockers

Stepped sea wall

NEXT>

Question 6 of 10

6. What landform is caused at a deposition point? Hint

Sinkhole

Spit

Island

Isthmus

NEXT>

Question 7 of 10

7. Which of these is a form of erosion? Hint

Cossation

Cottusion

Connation

Corrasion

NEXT>

Question 8 of 10

8. What is the name of the type of erosion that is distinguished by water entering a crack or crevice of a rock and eventually weakening it and cracking it further? Hint

It is not a type of erosion

Corrosion

Hydraulic action

Attrition

NEXT>

Question 9 of 10

9. When does the pattern of longshore drift stop? Hint

When the land changes shape dramatically

When a strong wind disrupts it

When the water loses its energy

When tourists swim in the sea

NEXT>

Question 10 of 10

10. Is the city of Plymouth, Devon affected by longshore drift? Hint

No, Plymouth is a headland

No, Plymouth is the exception

Yes, all of coastal Britain is

No, Plymouth is not on the coast

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Quiz Answer Key and Fun Facts

1. What compass direction are the waves coming from that affect the south coast of Britain?

Answer: South Westerly

On Britain's southern coast, waves come in at a 45 degree angle from a south westerly direction. It changes when it is the northern coastline.

2. At what angle do swash waves come in on the British coastline?

Answer: 45 degrees

On any coastline of Britain the swash will come in at 45 degrees.
The swash wave is the incoming wave which when at its peak can erode most substances.

3. If the incoming wave is called a swash wave, what is the outgoing wave called?

Answer: Backwash

This catches high school students and adults alike, there is no 's', backwash, quite confusing!

4. At what angle does an outgoing wave enter the sea?

Answer: 90 degrees

The backwash re-enters the sea at 90 degrees, usually taking material such as sand with it.

5. Sea defences are used to help minimise the impact of longshore drift. Which of these sea defences, built perpendicular to the shore, is often made of wood?

Answer: Groynes

Groynes are usually wooden fences situated about 15m apart from each other along a beach.

6. What landform is caused at a deposition point?

Answer: Spit

A spit is formed when water loses its energy and deposits material at a deposition point. Spits constantly change in shape. Spurnhead spit near Hull and Grimsby is a prime example!

7. Which of these is a form of erosion?

Answer: Corrasion

It is described as being an erosional form, when rocks are thrown onto the coastal areas in storms.

8. What is the name of the type of erosion that is distinguished by water entering a crack or crevice of a rock and eventually weakening it and cracking it further?

Answer: Hydraulic action

Hydraulic action usually causes undercutting of a cliff and eventually a landslide.

9. When does the pattern of longshore drift stop?

Answer: When the land changes shape dramatically

Landforms such as headlands and peninsulas change the pattern of longshore drift.

10. Is the city of Plymouth, Devon affected by longshore drift?

Answer: Yes, all of coastal Britain is

I hope you enjoyed and learned a thing or two about Britain's coastline and the theory of longshore drift.

Source: Author jonnowales

This quiz was reviewed by FunTrivia editor crisw before going online.
Any errors found in FunTrivia content are routinely corrected through our feedback system.

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