Paper 1 - Hazardous Earth (Climate)

Question 1

ITCZ (Intertropical Convergence Zone)

Answer 1

a band of low pressure around the Earth which generally lies near to the equator

Question 2

global circulation model

Answer 2

a theory that explains the movement of air around the planet

Question 3

what are the 3 global circulation cells in the atmosphere

Answer 3

• polar
• ferrell
• hadley (equator)

Question 4

theory’s for causes of climate change

Answer 4

• the eruption theory
• the asteroid collision
• the sunspot theory
• the orbital theory

Question 5

climate

Answer 5

the pattern of weather over a longer period of time

Question 6

name 3 pieces of evidence for past climates

Answer 6

• ice cores
• tree rings
• historical sources

Question 7

greenhouse effect

Answer 7

the way in which heat is trapped close to Earth’s surface by ‘greenhouse gases’

Question 8

what on earth are hurricanes formed

Answer 8

North Atlantic and on the Pacific coast of the USA

Question 9

where on earth are cyclones formed

Answer 9

Indian and South Pacific Ocean

Question 10

where on earth are typhoons formed

Answer 10

Western North Pacific

Question 11

tropical cyclone

Answer 11

a general term used to describe a rotating system of clouds and storms that form and develop over tropical or subtropical waters

Question 12

what temperature does the sea have to be for cyclones to form

Answer 12

26.5°C

Question 13

what are the 2 case-studies

Answer 13

• hurricane Katrina
• cyclone Alia

Question 14

global warming

Answer 14

the rise in the average temperature of our planet