Natural disasters are major changes in the Earth that can cause damage through volcanic eruptions, earthquakes, cyclones, avalanches, floods, droughts, and forest or bush fires. Volcanic eruptions occur when gases and molten rock burst through the Earth's crust due to pressure from below. Earthquakes happen when tectonic plates shift, releasing shock waves. Cyclones are fierce, spinning storms with high winds that can uproot trees and damage buildings.
Environmental science& Engg:
Hazard
Any phenomenon that has the potential to cause disruption or damage to people and their environment.
For example, an earthquake can cause a tsunami.
Disaster
Natural disasters are slightly different. They are the effects of natural hazards on humanity.
For example, the tsunami in Indonesia caused a great amount of loss of property and more importantly lives.
Environmental science& Engg:
Hazard
Any phenomenon that has the potential to cause disruption or damage to people and their environment.
For example, an earthquake can cause a tsunami.
Disaster
Natural disasters are slightly different. They are the effects of natural hazards on humanity.
For example, the tsunami in Indonesia caused a great amount of loss of property and more importantly lives.
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This is a presentation by Dada Robert in a Your Skill Boost masterclass organised by the Excellence Foundation for South Sudan (EFSS) on Saturday, the 25th and Sunday, the 26th of May 2024.
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Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
Unit 8 - Information and Communication Technology (Paper I).pdfThiyagu K
This slides describes the basic concepts of ICT, basics of Email, Emerging Technology and Digital Initiatives in Education. This presentations aligns with the UGC Paper I syllabus.
The French Revolution, which began in 1789, was a period of radical social and political upheaval in France. It marked the decline of absolute monarchies, the rise of secular and democratic republics, and the eventual rise of Napoleon Bonaparte. This revolutionary period is crucial in understanding the transition from feudalism to modernity in Europe.
For more information, visit-www.vavaclasses.com
Palestine last event orientationfvgnh .pptxRaedMohamed3
An EFL lesson about the current events in Palestine. It is intended to be for intermediate students who wish to increase their listening skills through a short lesson in power point.
Students, digital devices and success - Andreas Schleicher - 27 May 2024..pptxEduSkills OECD
Andreas Schleicher presents at the OECD webinar ‘Digital devices in schools: detrimental distraction or secret to success?’ on 27 May 2024. The presentation was based on findings from PISA 2022 results and the webinar helped launch the PISA in Focus ‘Managing screen time: How to protect and equip students against distraction’ https://www.oecd-ilibrary.org/education/managing-screen-time_7c225af4-en and the OECD Education Policy Perspective ‘Students, digital devices and success’ can be found here - https://oe.cd/il/5yV
2. The World is always changing.
Natural disasters are changes which are
so great they may cause damage to the
shape of the land or to the lives of people
and other living things.
Great changes happen deep inside the
Earth and on its surface. The changes on
the outer part of the Earth happen
because of different kinds of weather.
3. What are Natural Disasters?What are Natural Disasters?
Volcanic eruptionVolcanic eruption
EarthquakeEarthquake
Cyclone or HurricaneCyclone or Hurricane
AvalancheAvalanche
FloodFlood
DroughtDrought
Forest fire or BushfireForest fire or Bushfire
4. VolcanoesVolcanoes
A volcanic eruption is the spurting out ofA volcanic eruption is the spurting out of
gases and hot lava from an opening in thegases and hot lava from an opening in the
Earth’s crust.Earth’s crust.
Pressure from deep inside the EarthPressure from deep inside the Earth
forces ash, gas and molten rock to theforces ash, gas and molten rock to the
surface.surface.
5. EarthquakeEarthquake
An earthquake is a violent shaking of theAn earthquake is a violent shaking of the
ground. Sometimes it is so strong that theground. Sometimes it is so strong that the
ground splits apart.ground splits apart.
When parts of the earth, called plates,When parts of the earth, called plates,
move against each other giant shockmove against each other giant shock
waves move upwards towards the surfacewaves move upwards towards the surface
causing the earthquake.causing the earthquake.
6. Cyclone, Hurricane,Cyclone, Hurricane,
Tornado or TyphoonTornado or Typhoon
A Cyclone is a fierce storm with storm winds
that spin around it in a giant circle. During a
cyclone trees can be uprooted, buildings
can be destroyed and cars can be
overturned.
7. AvalancheAvalancheAn Avalanche is a movement of snow, ice and
rock down a mountainside. Avalanches happen
very suddenly and can move as fast as a racing
car up to 124mph.
Avalanches can be caused by –
snow melting quickly
snow freezing, melting then freezing again
someone skiing
a loud noise or an earth tremor
8. FloodFlood
A flood is caused by an overflow of water which
covers the land that is usually dry.
Floods are caused by heavy rain or by snow
melting and the rivers burst their banks and
overflow.
Costal floods are caused by high tides, a rise in
sea level, storm waves or tsunami (earthquakes
under the sea).
9. DroughtDrought
A drought is the lack of rain for a long time.
In 1968 a drought began in Africa. Children born
during this year were five years old before rain
fell again.
10. Forest Fire or BushfireForest Fire or Bushfire
Fires can burn out of control in areas of forest or
bush land. Fires are caused by lightning, sparks
of electricity or careless people. Wind may blow a
bushfire to areas where people live.