Natural Disasters - PowerPoint PPT Presentation

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Natural Disasters

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  1. Natural Disasters A disaster caused by natural forces

  2. Earthquake A shaking of the ground caused by moving underground plates.

  3. Hurricane  A violent storm, characterized by extreme fury and sudden changes of the wind, and generally accompanied by rain, thunder, and lightning; -- especially prevalent in the East and West Indies.

  4. Tornado  A rotating column of air ranging in width from a few yards to more than a mile and whirling at destructively high speeds, usually accompanied by a funnel-shaped downward extension of a cumulonimbus cloud.

  5. Blizzard A strong bitterly cold wind accompanied by a widespread heavy snowfall

  6. Avalanche A large mass of snow and ice detached from a mountain slope and sliding or falling suddenly downward

  7. Tsunami Tsunami is an ocean wave generated by a submarine earthquake, volcano or landslide

  8. Volcanic Eruption The sudden occurrence of a violent discharge of steam and volcanic material eruption

  9. Whirlpool A rapidly rotating current of water A magnetic, impelling force into which one may be pulled.

  10. Floods An overflowing of water onto land that is normally dry. Drought A long period of abnormally low rainfall, especially one that adversely affects growing or living conditions.

  11. Grammar pointTo V/s For To: It is generally refers in transferring or Exchanging things, activities, etc. For: It is generally refers in benefits or doing good things for oneself, others, etc.

  12. Examples • I made this lesson for you. ( For is used because its showing good thing foe oneself / benefit) • I am going to talk to you about it. ( To is used for transfer information from one person to other) • I go to my job everyday. ( To is used for transferring your body from house to job)

  13. Exercise (use To or For) • I gave the beer _____ her. • I will do that ____ you. • I sing ____ you. • I will come to your office _____ meet your boss. • I can get that dress ____ you by tomorrow. • I have to go ____ the doctor in the evening. • I have made the breakfast _____ you early today as I had ____ go out with my friends.