Hazards

Question 1

Define Hazard Risk

Answer 1

The Probability that a Natural Hazard will take place

Question 2

Define Hazard Perception

Answer 2

The way an individual or group views the threat of a hazard based on the way we receive and process information

Question 3

Define Natural Hazard

Answer 3

An event which poses a threat to people, property and the environment

Question 4

State the 3 types of Natural Hazard

Answer 4

• Geophysical (land processes)
• Atmospheric (climate processes)
• Hydrological (water movement)

Question 5

Define Natural Disaster

Answer 5

When a natural hazard has seriously affected humans

Question 6

What factors affect Hazard Perception? (5)

Answer 6

• Economic Status - Affordability to move.
• Religion - Hazard an act of God.
• Quality of Education
• Past Experience
• Personality - Fear/Excitement

Question 7

Define the response ‘Risk Sharing’ and give 2 examples.

Answer 7

Sharing the costs of a hazard whether the cost of preventing it or reducing it (E.G. Insurance and emergency provisions)

Question 8

Define Fatalistic Approach (4)

Answer 8

• Losses are accepted as inevitable
• People may remain where they are
• There is a lack of Alternatives (Economic Status)
• People are used to experiencing hazards

Question 9

Define Adaptation Approach (4)

Answer 9

• Urban Area adapting to Natural Disasters
• Reinforced Infrastructure and Planning Regulations
• Governments act faster and more effectively (Evacuation)
• More Scientific Research is carried out (Prediction methods)

Question 10

Which element are the rocks in the Mantle made of?

Answer 10

Silicon

Question 11

What is the Asthenosphere?

Answer 11

A layer above the Mantle that’s semi-molten

Question 12

What is the Lithosphere?

Answer 12

A layer above the Asthenosphere that is rigid which forms the crust

Question 13

What state is the inner core of the Earth?

Answer 13

Solid

Question 14

What state is the outer core of the Earth?

Answer 14

Semi-Molten

Question 15

Which 2 elements are found in high quantities in the core?

Answer 15

• Iron
• Nickel

Question 16

What is the Temperature of the inner core?

Answer 16

6000°C

Question 17

What Temperature is the mantle?

Answer 17

1000-3500°C

Question 18

How did the Earth get its Internal Energy?

Answer 18

From Radioactive Decay from elements like Uranium and Heat Energy left over from when the Earth formed