Yr10 bassline ass Flashcards

1
Q

what are two types of crust?

A

oceanic and continental

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2
Q

what is the earth’s crust split up into?

A

tectonic plates

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3
Q

what is the name of the boundary between two tectonic plates?

A

plate margins

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4
Q

where are the majority of earthquakes and volcanoes located?

A

at plate margins

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5
Q

name the tectonic plate margin where two tectonic plates slide past each other?

A

conservative

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6
Q

name the tectonic plate margin where rising magma adds new materials to plates that are diverging or moving apart

A

constructive

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7
Q

name the tectonic plate margin where two plates are coming together and the oceanic plate is subducted

A

destructive

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8
Q

what is a sudden or violent movement within the Earth’s crust followed by a series of shocks called?

A

earthquake

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9
Q

what is the point under the earth where an earthquake starts?

A

focus

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10
Q

what are the initial impacts of a natural event on people and property, caused directly by it, known as?

A

primary effects

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11
Q

what are the after-effects that occur as indirect impacts of a natural event know as?

A

secondary effects

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12
Q

what are the 3 cells in the global atmospheric circulation model?

A

hadley, ferrel, polar

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13
Q

is there high or low pressure on the equator?

A

low

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14
Q

what is the minimum sea temp required for a tropical storm to form?

A

27C

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15
Q

name the force that causes tropical storms to spin

A

coriolis effect

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16
Q

what happens to tropical storms when they reach land?

A

they lose energy

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17
Q

what is the name of the scale used to categorise tropical storms?

A

saffir-simpson scale

18
Q

which part of a tropical storm has the highest wind speeds?

19
Q

what is urbanisation?

A

the growth in the proportion of people living in urban areas

20
Q

what is rural-urban migration?

A

the movement of people from the countryside to cities

21
Q

how is natural increase in population defined?

A

where the birth rate is higher than the death rate

22
Q

what are informal settlements?

A

houses or shelters that have been built by people on land they have no legal right to use

23
Q

name 3 strategies to reduce congestion in London

A

congestion charges/zones, hydrogen buses, Santander bikes

24
Q

the wearing away of the landscape is know as…

25
the movement of material due to the river's energy and flow is know as...
transport
26
the laying down of materials by the river's energy and flow is known as...
deposition
27
the process of erosion where the force of the river against the banks can cause air to be trapped in the cracks and crevices weakening the banks is ...
hydraulic action
28
the process of erosion where rocks carried along by the river wears down the river bed and banks is...
abrasion
29
the process of erosion where rocks being carried by the river smash together and break into smaller, smoother and rounder particles is...
attrition
30
the process of transport where particles bounce down the river bed
saltation
31
the process of transport where boulders and pebbles are rolled along the the river bed
traction
32
what happens to the discharge closer to the mouth?
increases
33
what happens to the sediment size and angularity closer to the mouth?
smaller and less angular (rounder)
34
a narrow, steep sided valley, often formed as a waterfall retreats upstream is called a...
gorge
35
a series of ridges projecting out on alternate sides of a valley and which a river winds its course around are called...
interlocking spurs
36
an arc-shaped lake which has been cut off from a meandering river is called an...
oxbow lake
37
the tidal mouth of a river where it meets the sea *(with wide banks of deposited mud are exposed at low tide) is called an...
estuary
38
natural or man-made embankments of sediment along the bank of a river are called...
levees
39
rivers discharge exceeding river channel capacity is known as...
flooding
40
the building of artificial structures using various materials such as rock, concrete and steel to reduce, disrupt of stop the impact of the river processes is known as...
hard engineering
41
the use of natural environment surrounding a river, using schemes that work with the river's natural processes to reduce flooding is know as...
soft engineering
42
2 exam questions on the set hw