Baseline Knowledge Assesment Flashcards

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1
Q

Define natural hazard

A

A natural event that threatens people or has potential to cause damage destruction or death

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2
Q

What is the outer layer of the earth called

A

The earths crust

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3
Q

What do we call a piece of the earths crust

A

Plate

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4
Q

Which type of plate boundery is caused when plates scrape past each other + example

A

Conservative plate, San Andreas fault zone

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5
Q

What scale is used to measure the magnitude of earthquakes

A

Richter scale

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6
Q

What piece of equipment is used to record the power of earthquakes and what does it produce

A

A seismometer that converts vibrations into electrical signals

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7
Q

What do Hurricanes, cyclones and typhoons have in commen

A

They are all natural hazards

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8
Q

Where are the main location of tropical storms across the world

A

Between 5-30 degrees latitude

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9
Q

What will the immediate impact of typhoon haiyan

A

One damaged 1.1 million houses
to flooding
three destruction of food sources such as crops

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10
Q

What is the difference between the greenhouse effect and global warming

A

Greenhouse effect is a natural cause global warming is a human course

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11
Q

Which for gases are most responsible for global warming

A

Water vapour, carbon dioxide, nitrous oxide, methane

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12
Q

What were the causes of the extreme weather events known as the beast from the east

A

Catastrophic warning weakened the set stream , cold air from russia

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13
Q

What is the difference between Mitigation and adapting in relation to climate change

A

Adaptation is adjusting to the future effects of climate change mitigation is preventing or reducing emissions to make Impacts less severe

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14
Q

What are two major effects of climate change

A

More extreme weather, sealevels rising

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15
Q

What is the term for where a river begins

A

The source

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16
Q

What is the term for when 2 rivers meet

A

A confluence

17
Q

What is the term for a small stream it joins the main river together

A

Tributary

18
Q

Name for processes of erosion that take place in a river

A

Traction, saltation, suspension, solution

19
Q

What are 4 processes with a river can transport materials

A

Traction, saltation, suspension, solution

20
Q

What is the thalweg on a river

A

The fastest channel flow

21
Q

Does water flow fastest on the inside or outside of a meander

A

Outside

22
Q

Describe the formation of a waterfall

A

The hard rock band on top of the soft rock is more resistant the plunge pool is created from hydraulic action of the river the soft rock around at the bottom creating a bigger plunge pool from attrition the hard-rock is now unsupported and retreats creating a gorge

23
Q

What is the name given to the point where land meets the sea

A

Coast

24
Q

What is the difference between a destructive and constructive waves today

A

Constructive- Builds beaches , strong swash and week backswash
Destructive-Erodes week swash strong backwash

25
Q

What is the name of the process by which waves move material along the beach

A

Longshore drift

26
Q

What is it discordant coastline

A

Made of hard rock and soft rock bands

27
Q

What are the main landforms created by the sea of the discordant coastline

A

Headland and bays

28
Q

What is the difference between hard and soft engineering when defending the coastline from erosion

A

Hard involves building of artificial structures to defend soft is a more natural approach the sea defences

29
Q

Define ecosystem

A

Community were biotic and abiotic things all interact

30
Q

What is the difference between biotic and abiotic factors

A

Biotic is living things ( plants and bacteria )
Abiotic is non living things ( climate and soil )

31
Q

What is the difference between a food chain and a food web

A

Chain only shows one part where as food webs shows all interactions

32
Q

What is a primary consumer

A

Eat plant materials

33
Q

Describe the location of the earths remaining rainforests

A

Between the Tropic of Cancer and Tropic of Capricorn mostly in Brazil South America (amazon) second main is in Congo called Congo basin both surround the equator

34
Q

What plant adaptations are on leaves and why are they needed

A

Drip tips on leaves allow for water to flow off and a waxy cuticle which can also shared heavy rainfall which is perfect for rainforest conditions

35
Q

What are the use of butress roots

A

They give a strong and stable base for a treat to ensure it can grow to photosynthesise in the canopy

36
Q

Where does the word tundra get its name from

A

The word tunturia which means barren/treeless land

37
Q

What is the permafrost and what challenges does it cause in cold environments like Alaska

A

Permafrost is the layer of ice that has been frozen for more than two years due to climate change it is thawing Which means the ice is melting . roads/infrastructure built upon the permafrost are beginning to sink as the ice becomes water causing the ground to give way which is dangerous and causes construction issues and many villages to uncontrollably sink