Waves form due to the pull and stretch of the tides
Waves are formed due to the four processes of coastal erosion
Waves can be formed due to the gravitational pull of the earth on the water that changes over time as the earth spins
Question 2
Question
What is the fetch?
Answer
The length of a wave
The distance that the wind blows over
A characteristic of destructive waves
The distance of water that is pulled up the beach
Question 3
Question
A tsunami is caused by an underwater earthquake or volcanic eruption that shakes the seabed
Answer
True
False
Question 4
Question
What is the swash?
Answer
The foam on the surface of the wave
The water that flows back towards the beach
The water that rushes up the beach
Question 5
Question
What are the features of a constructive wave?
Answer
Low wave
Powerful backwash
Powerful swash
Wave crests close together
Carry and deposit large amounts of sand and pebbles
Formed by storms that are hundreds of kilometres away
Question 6
Question
What are the features of a destructive wave?
Answer
Waves spaced closely together
Gently sloping wave front
Powerful swash
Strong backwash
Forms a steep beach
Can destroy the beach by removing sediment
Question 7
Question
What causes cliffs to collapse?
Answer
Weathering
Overpopulation
Mass movement
The weather
A change in climate
Question 8
Question
Mechanical ([blank_start]Physical[blank_end]) weathering is the [blank_start]disintegration[blank_end] (break-up) of rocks. Where this happens, piles of rock fragments called [blank_start]scree[blank_end] can be found at the foot of cliffs.
Answer
Physical
Mass movement
Chemical
Collapsation
disintegration
movement
cracking
expansion
scree
fragments
residue
flakes
Question 9
Question
Chemical weathering- caused by [blank_start]chemical[blank_end] changes. [blank_start]Rainwater[blank_end], which as slightly [blank_start]acidic[blank_end], gradually dissolves certain types of rocks and [blank_start]minerals[blank_end].
Answer
chemical
physical
biological
climate
Rainwater
Seawater
Mud
acidic
alkaline
hot
hazardous
minerals
stones
pebbles
clay
Question 10
Question
[blank_start]Biological[blank_end] weathering- due to the actions of flora and [blank_start]fauna[blank_end]. Plant roots grow in cracks in the rocks, and animals such as [blank_start]rabbits[blank_end] burrow into weak rocks like sands.