Population

Question 1

What is population distribution

Answer 1

Population distribution is the pattern of where people live

Question 2

What is population density

Answer 2

Population density is the number of people per Unit area

Question 3

Definition of sparsely populated

Answer 3

Area that has very few people living in it

Question 4

Definition of densely populated

Answer 4

Lots of people in a area with very little space between them

Question 5

The factors that affect population distribution

Answer 5

The main factors of population distribution are quality of life, climate, elevation, ethnicity, and job availability. These factors push people out of countries and pull them towards others.

Question 6

What is the formula for calculating population density

Answer 6

Total population divided by the area = population density

Question 7

Positive/negative reasons for low population density

Answer 7

Positives = lower employment rate, Less environmental impact and Greater resource availability

Negatives = Decline in economic growth, Aging population and strained healthcare systems and Limited workforce and skill shortages

Question 8

Physical/human reasons for high population density

Answer 8

Physical reasons for high population density is water supply, climate, vegetation, soils and availability of natural resources and energy

Human reasons are jobs and economic activities in the area

Question 9

Advantages and disadvantages of using a chloropath map

Answer 9

Advantages are use of colour easy way to to visualise and it draws conclusions quickly

Disadvantages are sharp boundaries give ideas that they don’t merge and makes us think the whole country has the same amount of people per km

Question 10

Definition of migration

Answer 10

Movement from one country to another to another for better opportunities

Question 11

Definition of immigration

Answer 11

Moving country to try and stay permanently in a different one then you were born in

Question 12

Definition of emigrate

Answer 12

The process of people leaving one country to live in another

Question 13

Definition of refugee

Answer 13

A person who is forced to leave their country to escape war , persecution and natural disasters

Question 14

What is a push factor

Answer 14

What pushes them away from their home

Question 15

What is a pull factor

Answer 15

What pulls them to a new place

Question 16

Examples of push and pull factors

Answer 16

Push = high crime rate , crop failure, famine , drought , flooding , poverty , war and unemployment

Pull = better jobs , better education, good climate for crops , safer place to live , fertile land , better healthcare and less crime

Question 17

When was the last ice age in Britain

Answer 17

The last ice age in Britain began 1,000,000 years ago and ended around 10,000 years ago

Question 18

What are glacial periods

Answer 18

any period of time during which a large part of the earth’s surface was covered with ice, due to the advance of glaciers

Question 19

What are interglacial periods

Answer 19

interglacial period is the warmer period of time between ice ages where glaciers retreat and sea levels rise.

Question 20

Characteristics of a glacier
How glaciers are formed

Answer 20

Glaciers are formed when lots of snow falls but not all of it melts ,year after year the snow layers build up and the snow gets heavier it compacts into ice and gradually moves down hill due to gravity

Question 21

Explain freeze thawing

Answer 21

Water enters a small crack and when frozen it expands and the crack expands and more water enters the crack it expands more and the crack gets bigger

Question 22

Explain plucking

Answer 22

When a glacier is moving downhill frozen rocks in the ground get picked up by the ice and the picked up rock leaves a hole in the ground causing erosion

Question 23

Explain abrasion

Answer 23

Rocks and pebbles are picked up and scraped across the ground like sand paper and tear away the ground

Question 24

How are U- shaped valleys formed