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GCSE > Geog 3 > Flashcards

Geog 3 Flashcards

1
Q

Explain what random sampling is?

A

Random areas generated from random number generator and applying to a grid.

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2
Q

Positive of random sampling?

A

Avoids bias, no subjectivity involved

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3
Q

Negative of random sampling?

A

Cannot see changes over distance, data is not comparable

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4
Q

Explain Stratified sampling?

A

Using prior knowledge to select chosen areas

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5
Q

Positive of stratified sampling?

A

Can select two different areas to allow for greater comparison

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6
Q

Negative of stratified sampling?

A

Cannot reflect all differences for all areas

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7
Q

Explain what systematic sampling is?

A

Samples are chosen in a regular way

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8
Q

Positive of systematic?

A

Changes over distance can be identified

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9
Q

Negative of systematic?

A

Greater risk of data manipulation (could arrange area tested to allow for wanted data to be achieved)

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10
Q

Pro and Con of GIS map?

A

+ easy to compare data

- not 100% accurate

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11
Q

Pro and con of line graph?

A

+ easy to compare data

- hard to construct depending on scale

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12
Q

pro and con of scatter graph?

A

+ shows data over a spread of time

- inaccurate if scale is wrong

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13
Q

pro and con of compound bar chart?

A

+ shows change over time

- only shows one type of data

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14
Q

pro and con of chloropleth maps?

A

+ Helpful for comparing between different locations

- can give false impression about abrupt change at boundary’s of area

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15
Q

How many boris bikes hired in 2021?

A

11 million

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16
Q

How much does a boris bike cost for 30 mins of unlimited riding

A

£2

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17
Q

How much is congestion charge in Birmingham?

A

£8

18
Q

How much is congestion charge London?

A

£11.50

19
Q

In London, how much has traffic entering the clean air zone decreased by?

A

27%

20
Q

How much does a West Midlands bus pass cost per month?

A

£50

21
Q

How much does a person spend on petrol per year?

A

£1272

22
Q

What is an advantage of building on greenfield sites?

A

Cheaper to develop compared to brownfield

23
Q

What is a disadvantage of building on greenfield sites?

A

Loss of farmland/ open space

24
Q

What is an advantage of building on brownfield sites?

A

Reduces loss of countryside elsewhere

25
Q

What is a disadvantage of building on brownfield sites?

A

No EU funding for redeveloping the sites

26
Q

How many national parks in the UK?

A

15

27
Q

How many visitors do national parks in wales receive per year?

A

11 million

28
Q

Name one solution to the 2 speed economy?

A

HS2 railway - transport link between north and south

29
Q

Over the past 50 years, how much has services provided by ecosystems declined by?

A

30%

30
Q

In 2014, how many homes could’ve been built on available brownfield sites?

A

200,000

31
Q

How much did pollutants drop by in Londons clean air zone?

A

12%

32
Q

How much money do Englands national parks contribute to the economy?

A

between £4.1 billion and £6.3 billion

33
Q

How much does footpath maintenance in the Brecon Beacons National Park cost annually?

A

£100,000

34
Q

What’s the difference between house prices in the north and south of England

A

£163,000

35
Q

What does the Northern powerhouse do?

A

develops new modern naufacturing industries, this encourages businesses and industries to move up north however little money has been put in so far

36
Q

How many more jobs in the north since the northern powerhouse?

A

287,000

37
Q

How many turbines does the London array have?

A

175

38
Q

How much CO2 saved per year due to london array?

A

925,000 tonnes

39
Q

What have Leicester city council done to reduce emissions from cars?

A

Set a 20 mph speed limit in urban areas

40
Q

How many electric car charging points have Durham county council installed?

A

160

GCSE (5 decks)

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