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WorksheetsSediments & Coastlines TEST_vA
Total questions: 40
Worksheet time: 1hrs 20mins
Sediment that is comprised of more than 30% of the broken down shells of organisms is known as what?
slime
ooze
tektite
clay
Which of the following sediment types has the smallest grain size?
clay
silt
sand
granule
This sediment type is the LEAST prevalent on the ocean floor.
biogenous sediment
hydrogenous sediment
lithogenous sediment
cosmogenous sediment
Neritic sediments are found on the
continental shelf
abyssal plain
continental rise
undersea volcanoes
Constructive waves are best for...
...Tidal power
...surfers
...tourism
...eroding cliffs
Destructive waves are best for...
...a relaxing swim at the beach
...surfers
...tourism
...maintaining beaches
The movement of material along a coast by waves that approach at an angle to the shore but recede straight down the beach is called...
Longshore drift
Swash
Backwash
Recession
What is this type of wave?
Constructive wave
Destructive wave
What is this type of wave?
Coast building - constructive
Coast destroying - destructive
Identify this coastal landform.
Spit
Tombolo
Headland
Sandbar
What are the structures illustrated in the photo?
groins
seawalls
breakwaters
inlets
What is illustrated in this aerial photo?
seawall
breakwater
groin
inlet
What coastal management is in the photo?
Rock armour
Beach nourishment
Manage Retreat
What coastal management is in the photo?
Rock armour
Manage Retreat
Beach nourishment
Identify this coastal landform.
Spit
Tombolo
Headland
Sandbar
Abrasion occurs when?
Little rocks get picked up by the waves and smashed on to the cliffs
Small rocks are smashed against each other, making smaller rocks.
Chemicals in the sea water dissolve the rocks
At low tide when animals enter the coastal environment.
Attrition occurs when?
Little rocks get picked up by the waves and smashed on to the cliffs
Small rocks are smashed against each other, making smaller rocks.
Chemicals in the sea water dissolve the rocks
At low tide when animals enter the coastal environment.
What is number four?
Cliff
Sedimentary Rock
Wave-Cut Notch
Wave-Cut Platform
Waves transporting pebbles and sand by bouncing them along the sea bed is a process called...
traction
saltation
solution
suspension
The erosion feature shown is...
stack
beach
wave cut platform
cliff
Seawalls protect the coast from erosion by...
reflecting waves back out to sea
absorbing wave energy
building beaches
Allowing low-lying coasts to be flooded by the sea to become salt-marshes is called...
managed retreat
an accident
cliff retreat
beach nourishment
Label a shows...
fault line or line of weakness in the cliff face
cave
arch
stack
Label b shows...
fault line or line of weakness in the cliff face
cave
arch
stack
Label D shows...
arch
cave
stump
stack
Label E shows...
arch
cave
stump
stack
