Erosion, Transportation and Deposition by Rivers, the Sea and Glaciers- Keywords
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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show | Waterfall
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show | When a river flows over a vertical slope
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show | An area where hard rock lies on top of soft rock
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show | Soft rock
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show | Through the fluvial erosional process of hydraulic action
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Hydraulic action | show 🗑
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What is formed? | show 🗑
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show | Where the hard rock and soft rock met
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show | A waterfall
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show | Plunge pool
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Where? | show 🗑
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Due to? | show 🗑
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Abrasion | show 🗑
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What happens to the rock above the plunge pool? | show 🗑
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show | The rock eventually collapses into the plunge pool
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Due to? | show 🗑
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show | It repeats
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show | Gradually erodes its way upstream
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Example? | show 🗑
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Fluvial Deposition | show 🗑
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Levee | show 🗑
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Alluvium | show 🗑
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show | The old-stage river
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1st time | show 🗑
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show | Load is dropped onto the river bed
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What does this do? | show 🗑
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show | Flood
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show | Water flows out more easily over the top of the channel and onto the surrounding land
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What happens the river on land? | show 🗑
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show | The heavier, coarser material
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show | The finer material
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Where? | show 🗑
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3rd time | show 🗑
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show | The river builds up a bank on either side
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show | A levee
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show | Lower course of River Moy, Co. Mayo
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Sea Erosion | show 🗑
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What kind of waves? | show 🗑
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show | Weaknesses and cracks in the cliff
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show | Hydraulic action, abrasion and compressed air
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Hydraulic action | show 🗑
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Abrasion | show 🗑
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show | Air becomes trapped by incoming waves
Puts pressure on the rock
When water retreats, air expands back out and pressure drops suddenly
Repeated, causing rock to weaken and shatter
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show | A cave forms
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What happens the cave? | show 🗑
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Through what? | show 🗑
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show | The cave has been widened all the way through the headland
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What is this called? | show 🗑
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What happens then? | show 🗑
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show | A sea stack
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What happens the sea stack? | show 🗑
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show | A sea stump
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show | The Old Head of Kinsale, Co. Cork
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Sea transportation | show 🗑
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show | Sand, silt, mud and pebbles
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What is this known as? | show 🗑
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show | From the side
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show | Prevailing wind
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show | The usual wind in an area
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What is Ireland's prevailing wind? | show 🗑
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show | Swash
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What force carries the waves back down the shore | show 🗑
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show | A right angle
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show | The process is repeated
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In what pattern? | show 🗑
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show | Beach
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Beach | show 🗑
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show | Longshore drift (swash and backwash movements of the waves)
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What kind of waves? | show 🗑
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What happens to waves as they break? | show 🗑
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What happens when this occurs? | show 🗑
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show | Swash
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What does the swash do then? | show 🗑
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Why is the backwash unable to carry all the material back out? | show 🗑
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show | Heavier, coarser material
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What is carried closer to the shoreline by backwash? | show 🗑
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show | The material builds up
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show | A beach
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show | During times of storms
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show | Carry material further up the shoreline
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show | The high-tide mark
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show | It is deposited
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show | A storm beach
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show | Tramore, Co. Waterford
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Erosion by moving ice | show 🗑
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What occurs when ice goes over the ground? | show 🗑
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show | Heat
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show | The ice at the bottom of the glacier is melted
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show | Meltwater
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show | Into cracks in the rock
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show | It freezes when the temperature drops below 0 Degrees Celsius, sticking to the rock
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show | The glacier plucks chunks of rock out of the ground, carrying them along with it at the base of the glacier
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show | They become embedded in the base of the glacier
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show | They abrade the surface over which they pass
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What does it mean to abrade? | show 🗑
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show | Glaciated valley/U-shaped valley
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Starts off as what? | show 🗑
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show | Originally a V-shaped valley that became straightened and deepened by a glacier filling it, making it look more u-shaped
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show | Plucking and abrasion
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show | A glaciated valley
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What changes are there to the V-shaped valley? | show 🗑
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show | Glendalough, Co. Wicklow
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Glacial Transport | show 🗑
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show | Supraglacial
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show | From falling down the mountain
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show | Englacial
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show | Fallen down cracks and into the ice
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show | Subglacial
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What happens to the regolith? | show 🗑
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show | Drumlin
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show | Oval-shaped hills made of deposited boulder clay
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Boulder clay | show 🗑
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How do glaciers deposit boulder clay | show 🗑
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show | It retreats and then advances again
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show | It shapes and smooths it into rounded-shaped hills
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From where the ice advanced? | show 🗑
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show | Gentle slope
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show | Swarm
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Example | show 🗑
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Feature of Glacial Meltwater | show 🗑
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When were they formed? | show 🗑
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What happened at this point of time? | show 🗑
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What happened to the glaciers? | show 🗑
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What flowed out from the melting glaciers? | show 🗑
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show | It deposited material across the land surface
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What was dropped first? | show 🗑
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What was dropped later? | show 🗑
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Definition | show 🗑
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show | In tunnels beneath the ice
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What happens when it leaves an ice tunnel? | show 🗑
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What is deposited? | show 🗑
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Where? | show 🗑
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What happens to the ice? | show 🗑
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What is deposited? | show 🗑
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show | In the form of a long, narrow ridge of sand and gravel
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show | Trim Esker, Co. Meath
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Created by:
RoryOC88
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