C 1:1 - Hazardous Earth

Question 1

What is the definition of global circulation?

Answer 1

Global circulation is a system which creates areas of low pr sure and high pressure. This explained why the esyou thbhas areas with high rainfall and clear (low/high pressure areas)

Question 2

How is heat transferred around the world?

Answer 2

By different methods:

Ocean currents
Circulation cells

Question 3

What is the difference between natural climate change and human climate change?

Answer 3

Natural climate change:
Things that happen naturally without the act of humans involved at all

Human climate change:
Anything that effects the climate which has been influenced by human activity

Question 4

What is a tropical cyclone?

Answer 4

A violent storm which is known differently around the world.

• Hurricanes
• Cyclones
• Typhoons

Question 5

What are the three key characteristics of tropical cyclones?

Answer 5

Low pressure:
Very warm

Rotation:
Earths spin helps the rising air to spiral and drags in strong winds (not much at equator)

Structure:
Tropical cyclones form cylinder of rising and spiralling air surrounding an eye of descending high pressure air

Question 6

Where do tropical cyclones start?

Answer 6

Tropical cyclones start in the tropics.