Global Trends

Question 1

What is biodiversity?

Answer 1

The different plants, animals and micro-organisms, their genes and the ecosystems of which they are part.

Question 2

What are greenhouse gases?

Answer 2

Gases that contribute to the greenhouse effect by absorbing heat.

Question 3

What is climate change?

Answer 3

An increase in global temperatures as a result of increased greenhouse gases (e.g. CO2) which traps heat in the Earth’s atmosphere resulting in rising sea levels, changing weather patterns and extreme weather events.

Question 4

List extreme weather events attributable to climate change.

Answer 4

Bushfires
Hurricanes/Cyclones
Floods 
Droughts
Heatwaves

Question 5

Explain rising sea levels due to climate change

Answer 5

Because increased greenhouse gases cause global warming leading to warmer temperatures so glaciers melt therefore more water in ocean RESULTING IN RISING SEA LEVELS

Question 6

List examples of changing weather patterns attributable to climate change

Answer 6

↑ heatwaves and hot days

↓ rainfall in dry areas = drought

↑ rainfall wet areas = flooding

↑ humidity

Question 7

What is mass migration?

Answer 7

The movement of large groups of people from one geographical area to another often occurs as a result of conflict or persecution (based on religion).

Question 8

What is conflict?

Answer 8

A loss of peace; a clash arising out of a difference in thought and/or interests. Often results in opposing action between armed fighters in a battle/war.

Question 9

What is world trade?

Answer 9

The exchange of goods and services between countries. It is driven by production costs in different countries.

Question 10

What are digital technologies that enable knowledge sharing?

Answer 10

Electronic tools, systems, devices and resources that generate, store and process data in a digital format e.g. apps, mobile devices, social media.