Zusammenfassung der Ressource
Frage 1
Frage
What conditions must be present for a delta to form at the mouth of a river?
Antworten
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slow current, strong tides, river carrying a lot of sediment
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slow current, weak tides, river carrying a lot of sediment
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strong current, weak currents , river carrying a lot of sediment
Frage 2
Frage
In what course of the river are V-shaped valleys present?
Antworten
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Upper course
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Middle course
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Lower course
Frage 3
Frage
Where is the flow of water fastest in a meander?
Antworten
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The inside
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The outside
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The centre
Frage 4
Frage
What are the river landforms present in the middle course of a river?
Antworten
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Lateral erosion and deposition helps create meanders, oxbow lakes, floodplains and levees
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Vertical erosion causes V-shaped valleys, interlocking spurs, gorges and waterfalls.
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Floodplains, levees and meanders.
Frage 5
Frage
What is a plunge pool?
Antworten
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A pool of water formed by excessive rainfall.
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A pool formed when water erodes backwards into an area of soft rock as water and rock swirl around.
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Holes in cliffs formed when rain erodes the landscape.
Frage 6
Frage
Define interlocking spurs:
Antworten
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As the river erodes the landscape in the upper course, it winds and bends to avoid areas of hard rock. This creates interlocking spurs, which look a bit like the interlocking parts of a zip.
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Small cliffs which the river cannot erode blocking the view up and down the valley. The cliffs serve as flood-protection.
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Areas of impermeable soil which are distinctive within the landscape.
Frage 7
Frage
When a river runs over alternating layers of hard and soft rock what is created?
Antworten
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Oxbow lake
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Waterfall
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V-shaped valley
Frage 8
Frage
What features are created when a river erodes laterally creating large sweeping bends in the river channel?
Antworten
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Levees
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Meanders
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Oxbow lakes
Frage 9
Frage
When alluvium (silt) builds up on the banks of a river, what are formed?
Antworten
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deltas
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Slipe-off slopes
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levees
Frage 10
Frage
How many courses are rivers divided into?
Frage 11
Frage
How many courses are rivers divided into?