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Natural Disasters

Concept map of Natural disasters and how they are connected
by

Nate Beske

on 21 May 2011

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Transcript of Natural Disasters

Natural Disasters Earthquakes Hurricanes Tornadoes Volcanoes hi wind speeds from air pressure changes Classification
F1, F2, F3, F4, F5 shifting in plates within the Earth Classification
Richter Scale 1-10 Saffir- Simpson Scale
Category 1
Category 2
Category 3
Category 4
Category 5 High Winds VEI Scale
1-9 Pressure Building up Withing the Earth due to extreme heat. Plate Movement High Wind Speeds Non examples
Dust storm
Hurricane
Windy day Non Examples
Mt. Everest
Hill
Mound
Geyser Non Examples
Fissures
Ground Settling Non Examples
Whorl pool
Tsunami A disaster that occurs in nature and is naturally occurring rather than having human influence Examples: Mt. St. Helens, Hurricane Andrew, F5 Tornado, Earthquke in San Francisco Non Examples: Pollution, Erosion, Tides, Clouds Weathering and Erosion The Gradual destruction of the Earth due to wind water or other natural occurances. Examples
Water over rocks
Wind blowing sand
Land slide Non Examples
Farming
Natural Disasters Altering of the surface of the Earth due to natural events. Land slides Large amounts of rain can weather soil away to produce large displacement of soil. Rocks Three main types of rock
Igneous, Sedimentary, Metamorphic Examples
Granite
Slate
Shale
Mica Non Examples
Dirt
Pebbles Rocks are weathered into soil Igneous Metamorphic Sedimentary Created deep within the Earth. High heat needed Oldest form of rock Heat and Pressure Rocks form due to weathering and erosion of the Earth Heat and pressure turn igneous rocks into metamorphic. Weathering and Erosion cause Sedimentary rocks to form. Examples:
Granite
Basalt
Obsidian
Gabbro Examples:
Gneiss
Marble
Slate Examples:
Sandstone
Shale
Limestone Volcanic eruptions cause certain types of rocks to form. Pollution Air Water Noise Natural disasters can cause air pollution and water pollution. Placing a harmful or poisonous substance into the air or water that has a negative effect on humans or the environment. Examples:
litering
smoking
Air planes Non examples:
Whispering
Planting trees
Flitering water Introducing harmful substances into the air Introducing harmful substances into the water. Introducing harmful noises that can be harmful to humans. Volcanoes can release harmful gases into the atmosphere that can be harmful to humans and the environment. Examples:
Smoking
CFCs
Litering Examples:
Jet Engines
Rock Concerts
Screaming Examples:
Chemicals in lakes
Trash in oceans
Oil Spills Natural disasters can cause an extreme amount of noise which can be harmful to humans.
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