Bhavna Sharma EST 330 TA Notes Week 2 Predictions of Natural Disasters Most disasters are unpredicted 99% of the time With earthquakes‚ history will tell us that one is possible‚ but it can’t say when one will occur‚ or at what time‚ or at what magnitude With tropical cyclones we know of the existence of a storm about 7 or 8 days in advance‚ but there is still great uncertainty about exact location of landfall until 24 hours before. Useful tools: satellites- ability to see where tropical
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pieces of evidence towards proving that the plate tectonics theory is valid” Discuss the extent to which you agree with this statement (40m) The theory of plate tectonics explains the structure and motion of the Earth’s lithosphere. The theory states that the Earth’s crust is split into large sections called tectonic plates‚ and these move relative to one another creating boundaries at which the plates converge‚ diverge or move past each other. These plates are either continental or oceanic and are
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puzzle. Evidence for plate tectonics (http://www.bbc.co.uk/schools/gcsebitesize/science/aqa/oils/changesrev3.shtml) b About fifty years ago‚ new evidence convinced scientists that the Earth’s crust is made up of tectonic plates that are moving very slowly. Give two pieces of evidence that have helped to convince these scientists that the tectonic plates are moving. The movement and separation of continents and Earthquakes are a result of plate movement. They are the sudden
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shook the West of Northern Sumatra‚ Indonesia‚ as well as many other neighboring countries‚ was of a great 9.0 magnitude on the Richter scale. “At the source of the earthquake‚ the interface between the India plate and the Burma plate dips about 10 degrees to the east-northeast. The subducting plate dips more steeply at greater depths”(USGS). The quake occurred when the Earth’s crust‚ a 1‚200 km segment of the crust‚ shifted
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500- to 750-word explanation regarding the role of plate tectonics in the origin of igneous rocks. The role of plate tectonics in the origin of igneous rock is extremely important. Igneous rock is formed from magma that reaches the continental and oceanic crust or through hot spots that are around the world. There are three different places where igneous rocks can form; where the lithospheric plates pull apart at mid ocean ridges‚ where plates come together at seduction zones‚ and where continental
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Course Syllabus College of Natural Sciences GLG/150CA Version 1 Exploration of Earth Sciences Course Description This course focuses on the dynamic forces impacting Earth’s environment. It is a study of the major constructs in geology‚ oceanography‚ meteorology‚ and astronomy collectively called Earth science. A scientific approach will be used in orienting students to develop an understanding of the interconnectivity of each of these sciences. Policies Faculty and students/learners
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Review Questions Exam 1 Please provide detailed answers (lists‚ paragraphs‚ diagrams‚ etc). You will earn points as well as have a great study guide for your exam. Chapter 1 Earth science may include the study of: (there are 5) 1. Atmosphere. 2. Biosphere. 3. Hydrosphere. 4. Geosphere. 5. Pedosphere. Geology is the study of what? and can be broken into several sub-disciplines become familiar with at least two sub-disciplines. Geology is the study of the Earth‚ the materials of
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Chapter 4 plate tectonics Need a Hint? 1.What evidence proved that South America‚ Africa‚ India‚ and Australia were once covered by glaciers? glacial deposits and rock surfaces scarred by glaciers 2. What happens when an oceanic plate converges with a continental plate? The denser oceanic plate slides under the less dense continental plate. 3. A divergent boundary is a boundary between two plates that __________. Move away from each other. 4.Do two colliding continental plates always
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by experimental or factual evidence but has not been conclusively proved * Theories explain the data in a concise manner * Example: E = mc2 theory of relativity | Natural Law | * Never ever false | Alfred Wegener | * “Father of Plate Tectonics‚” German meteorologist * Introduced his hypothesis in “Origins of Continents and Oceans” in 1915 * Suggested that a super continent called Pangaea (all lands) existed during most of the Paleozoic * 200 Ma (Mz) Pangaea began breaking up
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An Introduction to Structural Geology Introduction Structural geology is the study of the features formed by geological processes. Features include faults‚ folds and dipping strata. Geologists can work out the order of events and see which events are related by taking fairly simple measurements and using simple methods. Measurements and Techniques The most obvious thing to do when trying to decipher the structural history of a formation is to describe it. One way of doing this is to measure the dip and strike
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