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NATURAL DISASTERS

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by

Ethan Neill

on 17 December 2015

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Transcript of NATURAL DISASTERS

NATURAL DISASTERS
What is a Natural Disaster
A natural disasters is any catastrophic event that is caused by nature or the natural processes of the earth.

What is an Earthquake???
What is an Earthquake? (2)
The Tectonic Plates like to be constantly moving and as such often bump, graze and push each other along the Fault Lines. This builds up pressure on the Fault Lines until they release the built up energy and a Earthquake occurs.

Earthquakes occur very regularly with up to 100 earthquakes happening on a daily basis throughout the world.
Tectonic Plates
Some Examples of Natural Disasters include
Floods
Tsunamis
Earthquakes
Bushfire
Volcanic eruption
The Earth's crust is not one single piece , but instead made up of eight large pieces and a number of smaller pieces that fit together like an massive jigsaw puzzle.

Each of these pieces is called a tectonic plate. Where these
plates meet are called Fault Lines.
Christchurch Earthquake
On September 4 2010, Christchurch was rocked by a 7.1 magnitude Earthquake. (1,000,000x stronger then the daily earthquake). This caused mass devastation

In the following year, there was close to 20,000 Earthquakes and Aftershocks.

The total damage bill associated with the Earthquake is $40 billion.
(Thats $40,000,000,000!!!!!!!!!!!!!!!!!!)
ACTIVITY
Construct an Earthquake proof Structure

Your structure must be NO bigger than;
20cm wide
15cm deep
30cm High
Your Structure must also;
Be Aestetically Pleasing (Pretty to look at)
Have at least two levels
TESTING TIME
Will it stand or will it Crumble???
What Is Science???
Full transcript