Unit 2- Natural Hazards

Question 0

Secondary effects

Answer 0

Those that result from the primary

Question 1

Primary effects

Answer 1

Those resulting directly from the event itself

Question 2

Tsunamis

Answer 2

Large ocean waves caused by an underwater earthquake

Question 3

Richter scale

Answer 3

A measure of earthquake strength

Question 4

Aftershocks

Answer 4

Smaller tremors occurring after an earthquake

Question 5

Earths crust

Answer 5

The solid, outer layer of the earth

Question 6

Tectonic plates

Answer 6

Large segments of the earth

Question 7

Mantle

Answer 7

The layer of the earth between the crust and the core

Question 8

Magma

Answer 8

Liquid rock below the earths surface

Question 9

Liquefaction

Answer 9

The loss of strength that can occur in the ground during earthquake shaking

Question 10

Retrofitting

Answer 10

The addition of new technology to older buildings

Question 11

Appropriate technology

Answer 11

Technology designed with consideration of the community it is intended for

Question 12

Epicentre

Answer 12

The point on the earths surface directly above the focus of an earthquake

Question 13

Building code

Answer 13

Regulations which state how a building should be constructed in order for it to be safe

Question 14

Seismic activity

Answer 14

Movements in the earths crust

Question 15

Laser ranging

Answer 15

Using laser beams and mirrors to detect minute changes in the shape of the land

Question 16

Evacuation

Answer 16

Movement of people away from a place of danger to a place of safety

Question 17

Storm surges

Answer 17

Abnormal rise of the sea along a shore as a result of a storm ;sometimes called a tidal surge

Question 18

Tropical

Answer 18

Situated in the area between the tropics of Cancer and Capricorn

Question 19

Eye

Answer 19

The calm ,clear area at the centre of the tropical storm

Question 20

Track

Answer 20

The path taken by a tropical storm

Question 21

Mandatory evacuation

Answer 21

An evacuation that is commanded by the authorities

Question 22

Natural cycle

Answer 22

Series of events in nature that are repeated over and over again

Question 23

El Niño

Answer 23

A warming of the ocean surface off the western coast of South America

Question 24

Physical effects

Answer 24

Those affecting natural and built materials

Question 25

Social effects

Answer 25

Those affecting people

Question 26

Economic effects

Answer 26

Those affecting money and business

Question 27

Drought

Answer 27

A long period of low rainfall

Question 28

Pulaski

Answer 28

A tool that is a cross between an axe and a hoe

Question 29

Geographical information system (GIS)

Answer 29

Electronic system used for storing ,analysing ,managing and presenting data, which is linked to a location

Question 30

Wildfire intensity

Answer 30

The severity of burning

Question 31

Wildfire season

Answer 31

The period of the year during which wildfires occur

Question 32

NASA

Answer 32

National Aeronautics and Space Administration

Question 33

Wildland- urban interface

Answer 33

Area where houses and other human developments are built on the fringes wilderness areas