2.1[a] Coastal Processes

Question 1

What is the main factor that influences the height and strength of a wave?
○ A) Temperature
○ B) Wind strength
○ C) Salinity
○ D) Water depth

Answer 1

B) Wind strength

Question 2

Which type of wave is characterized by a strong swash and weak backwash?
○ A) Destructive wave
○ B) Constructive wave
○ C) Tsunami
○ D) Tidal wave

Answer 2

B) Constructive wave

Question 3

What is the movement of water up the beach called?
○ A) Backwash
○ B) Swash
○ C) Fetch
○ D) Drift

Answer 3

B) Swash

Question 4

Which process involves the wearing away of the coastline by the sea?
○ A) Deposition
○ B) Erosion
○ C) Transportation
○ D) Weathering

Answer 4

B) Erosion

Question 5

What is the term for the distance over which the wind blows to generate waves?
○ A) Fetch
○ B) Swash
○ C) Backwash
○ D) Drift

Answer 5

A) Fetch

Question 6

Which type of wave has a high frequency and short wavelength?
○ A) Constructive wave
○ B) Destructive wave
○ C) Tidal wave
○ D) Tsunami

Answer 6

B) Destructive wave

Question 7

What is the process called when waves cause rocks and pebbles to collide and
break into smaller pieces?
○ A) Hydraulic action
○ B) Attrition
○ C) Abrasion
○ D) Corrosion

Answer 7

B) Attrition

Question 8

Which type of wave is more likely to build up beaches?
○ A) Destructive wave
○ B) Constructive wave
○ C) Tidal wave
○ D) Tsunami

Answer 8

B) Constructive wave

Question 9

What is the term for the movement of sediment along the coast by wave action?
○ A) Longshore drift
○ B) Fetch
○ C) Swash
○ D) Backwash

Answer 9

A) Longshore drift

Question 10

Which process involves the chemical breakdown of rocks by seawater?
○ A) Hydraulic action
○ B) Attrition
○ C) Abrasion
○ D) Corrosion

Answer 10

D) Corrosion

Question 11

What is the primary cause of wave formation?
○ A) Earthquakes
○ B) Wind blowing over the sea
○ C) Tides
○ D) Volcanic activity

Answer 11

B) Wind blowing over the sea

Question 12

Which type of wave has a strong backwash that removes material from the beach?
○ A) Constructive wave
○ B) Destructive wave
○ C) Tidal wave
○ D) Tsunami

Answer 12

B) Destructive wave

Question 13

What is the term for the process where waves force air into cracks in the rock,
causing it to break apart?
○ A) Hydraulic action
○ B) Attrition
○ C) Abrasion
○ D) Corrosion

Answer 13

A) Hydraulic action

Question 14

Which factor does NOT affect the size of a wave?
○ A) Fetch
○ B) Wind strength
○ C) Wind duration
○ D) Salinity

Answer 14

D) Salinity

Question 15

What is the term for the gradual wearing down of rocks by friction and impact?
○ A) Hydraulic action
○ B) Attrition
○ C) Abrasion
○ D) Corrosion

Answer 15

C) Abrasion

Question 16

Which type of wave is associated with a low frequency and long wavelength?
○ A) Constructive wave
○ B) Destructive wave
○ C) Tidal wave
○ D) Tsunami

Answer 16

A) Constructive wave

Question 17

What is the process called when material is dropped by waves as they lose energy?
○ A) Erosion
○ B) Deposition
○ C) Transportation
○ D) Weathering

Answer 17

B) Deposition

Question 18

Which type of wave is more likely to cause coastal erosion?
○ A) Constructive wave
○ B) Destructive wave
○ C) Tidal wave
○ D) Tsunami

Answer 18

B) Destructive wave

Question 19

What is the term for the movement of water back down the beach after a wave
breaks?
○ A) Swash
○ B) Backwash
○ C) Fetch
○ D) Drift

Answer 19

B) Backwash

Question 20

Which process involves the movement of sediment by rolling or sliding along the
seabed?
○ A) Traction
○ B) Saltation
○ C) Suspension
○ D) Solution

Answer 20

A) Traction