geography mid year revision

Question 1

give three examples of renewable energy sources

Answer 1

any three from:
wind
solar
hydroelectric
wave
geothermal
biomass

Question 2

give three examples of non-renewable energy sources

Answer 2

any three from:
coal
oil
gas
nuclear

Question 3

explain two natural causes of climate change

Answer 3

asteroids:
- they could collide with the earth, which could cool the climate

volcanic eruptions:
- heat from the sun may be blocked by dust, which could cool the climate

Question 4

list 5 impacts of climate change on people and the environment

Answer 4

flooding
lack of habitat
drought
diseases
natural disasters

Question 5

explain 1 impact of climate change on people and 1 impact on the environment

Answer 5

people:
lack of food, which is caused by lack of crops, which is caused by droughts and flooding

environment:
increase in natural disasters

Question 6

what are the four layers of earth

Answer 6

crust
mantle
inner core
outer core

Question 7

what are the three plate boundaries

Answer 7

convergent
divergent
conservative

Question 8

explain the link between magnitude of an earthquake and the number of deaths

Answer 8

the higher the magnitude, the more deaths

Question 9

which country, developed or developing, will be more impacted by an earthquake

Answer 9

developing countries will be impacted more as they don’t have enough money to put defensive measures in place

Question 10

define natural increase

Answer 10

the birth rate minus the death rate

Question 11

explain why birth rate may be higher in a developing country rather than a developed country

Answer 11

one: people in developed countries have more education awareness
two: in developed countries, women have access to things like contraception
three: there are more job opportunities

Question 12

define GDP

Answer 12

total money made in a country

Question 13

list primary effects of your chosen earthquake

Answer 13

Sendai, Japan (2011)
- dams collapsed
- nuclear reactors fractured
- it was the costliest disaster in history: costing $235 billion

Question 14

list secondary effects of ur chosen earthquake

Answer 14

Sendai, Japan (2011)
- 15,900 died
- 2600 missing
- 6150 injured
- 350,000 homeless
- 93% of deaths were by drowning

Question 15

what is drought?

what is desertification?

Answer 15

drought is a period of abnormally low rainfall

desertification is the process in which fertile land becomes dry and degraded