WorksheetsCoasts - Weathering erosion & waves
Total questions: 20
Worksheet time: 11mins
The natural chemical or physical processes that weaken and breaks down rock on Earth's surface.
weathering
erosion
deposition
transportation
What is biological weathering
The rock is broken down by the action of water freezing and melting (freeze thaw weathering)
The rock is broken down by the action of plants and animals
Wind weakens the rock
The chemical composition of rock is changed thereby breaking it down
A piece of sandstone changing colour (from brown to rusty red) from exposure to water and air is an example of:
mechanical weathering
chemical weathering
Mechanical weathering involves _________ changes causing rocks to break down
chemical
marine
biological
physical
This is a picture of a
rotational slump
creep
mudflow
landslide
These are called _______________________.
rotational slumps
mudflows
rock falls
landslides
This is a picture of a
rotational slump
Rock fall
mudflow
landslide
Which factors play a role in creating ocean waves?
Wind speed, duration, and direction
Fetch and wind speed
Wind speed, direction, and fetch
Wind speed, direction, fetch, and duration
What is this type of wave?
Constructive wave
Destructive wave
Which of the following will produce the largest ocean waves?
Strong winds that blow for short periods of time over great distances.
Strong winds that blow for long periods of time over small distances.
Strong winds that blow for short periods of time over small distances.
Strong winds that blow for a long time over a great distance.
A large fetch creates big waves because...
the wind has traveled a long distance
the wind is falling from a great height
the wind has less energy
the wind has traveled over the land
What is marine erosion?
The break down of rocks by the action of weather, plants, animals or chemicals
Sea water dissolves chalk and limestone. Salt crystals in cracks forces the rocks apart.
Wearing away of rocks by the action of the sea
Processes that attack the face and top of the cliff
When waves cause rocks and pebbles to smash into each other, which breaks them down into smaller and smaller pieces it is called
Attrition
Abrasion
Solution
Hydraulic Action
"Rocks rolled along the sea bed" is what type of transportation?
Saltation
Suspension
Traction
Solution
The fetch is...
The distance a wave travels with land in the way
The distance a wave travels without being stopped by land
The shortest distance a wave travels across an ocean
Wave energy converges (comes together)....
in sheltered bays and beaches
on headlands and cliffs
on islands
out to sea away from from coastlines
