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Transcript of Natural Disasters
F1, F2, F3, F4, F5 shifting in plates within the Earth Classification
Richter Scale 1-10 Saffir- Simpson Scale
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
Windy day Non Examples
Geyser Non Examples
Ground Settling Non Examples
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
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
Mica Non Examples
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:
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:
Air planes Non examples:
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:
Chemicals in lakes
Trash in oceans
Oil Spills Natural disasters can cause an extreme amount of noise which can be harmful to humans.