2. Natural Disasters

Natural Disasters: An Introduction

- What is a Natural Disaster?

- Why are they always on the News?

- Can we predict them?

- Can we prepare for them?

- What Natural Disasters can affect us in Ottawa?

Natural Disasters: What do the words mean?

Natural: Occurs in nature, non man made

Disaster: Human component: Death and destruction often the result.

Nature does what it does, it is actually often just a continuation of the process of building landforms and

breaking them down.

What Landforms (significant land shapes- hills, valleys, mountains, plateaus etc..) are created and worn away by Natural events?

- Mountains and valleys can be created by Earthquakes (movement of the earth's plates).

- Mountains can be created by Volcanoes

- Mountains can be eroded by snow and ice (Canadian Shield used to be a mountain that was 12 000 meters hi.

- Input region and disaster: click on map below

Science and Technology for Canadians – Natural Hazards

http://www.science.gc.ca/Subject_Directory/Environment/Earth/Natural_Hazards-

WSA91B46AE-1_En.htm

Centre for Natural Hazards Reserach

http://www.sfu.ca/cnhr/types.html

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