Tectonic plates movement pdf

Beneath the crust is a hot ductile layer of the upper mantle called the figure 22. Crust lithosphere plate movement the crust is broken into plates that move. A global flood model of earth history 3 preflood geology any. The nature and the severity of the earth quake will be decided by the movement of the tectonic plate. Movement of tectonic plates is powered by convection. Tectonic plates california institute of technology. Convergence data are shown by arrows describing direction and speed, relative to the plate across the boundary. Plates move only if theyre pushed or pulled, not dragged.

Find tectonic plates stock images in hd and millions of other royaltyfree stock photos, illustrations and vectors in the shutterstock collection. This suggests that earth possesses a unique combination of heat budget probably a matter of size. Create a timeline of the events leading to the theory of plate tectonics. Describe some of the events and pieces of evidence that led to the theory of plate tectonics. What is the geological theory that states that pieces of earths lithosphere are in constant slow motion. I also organized a few teacher notes on plate tectonics to. The ebook, provided as a pdf file, includes imagines and indepth explanations of the internal and external processes that shaped earths crust and the tectonic plates movements. If youre seeing this message, it means were having trouble loading external resources on our website. Catastrophic plate tectonics a global flood model of earth. Tectonic plates plate boundary referenced from bird, peter 2003 an updated digital model of plate boundaries. The earth is the only planet known to currently have plate tectonics.

The theory of plate tectonics describes how the plates move, interact, and change the physical landscape. Plate tectonics simple english wikipedia, the free. How would solid material accomodate movement in this solid body. This slow movement of hot rock inside the earth is what powers the movement. Plate tectonics describes the distribution and motion of the plates. A divergent boundary occurs when two tectonic plates move away from each other.

Longterm sea level change hundreds of thousands to millions of years is influenced by factors that modify the size and shape of ocean basins. Exactly how this works is still a matter of debate. Geologists think that the movement of earths plates is caused by convection currents in the mantle. Mantle convection and plate tectonics our mission is to provide a free, worldclass education to anyone, anywhere. Interaction of tectonic plates major geomorphological features such as fold and block mountains, midoceanic ridges, trenches, volcanism, earthquakes etc. Global or eustatic sea level can change as the result of changes in the number, size, and shape of ocean basins. Compare and contrast divergent, convergent, and transform plate boundaries. In the framework of plate tectonics, the surface is represented by rigid plates separated. I prepared for todays lesson by projecting and tracing the following document plate tectonics template on a large bulletin board paper. Describe the effects of plate tectonics found at each type of boundary. Generally, the depth of an earthquake is related to the type of tectonic boundary in which it occurs.

The theory of plate tectonics grew out of earlier hypotheses and observations collected during exploration of the rocks of the ocean floor. This tectonic cycle has influenced the distribution of. This skin is cracked, and each section moves over and under other sections. Compare and contrast divergent, convergent, and book f 43. Plates are composed of the crust and a part of the upper mantle, these two parts together are called the lithosphere. This plate motion causes them to collide, pull apart, or scrape.

If the earths core provides the heat that drives plate tectonics, then what will eventually happen. Pdf plate tectonics, our major paradigm for how the earth works, was established in the 1960ies following decades of observational research. Thousands of new, highquality pictures added every day. Along these boundaries, earthquakes are common and magma molten. Mark in some important volcano and earthquake locations. As two adjacent plates move across the asthenosphere, they either collide, slide past another, or separate. Lesson 1 the earth is cracking up lesson at a glance lesson 1 introduces the concept that the earth is not solid, and that the crust is like a thin skin fl oating on top of a hot, taffylike body of magma. The lithosphere is divided into plates, some of which are very large and can be entire continents heat from the mantle is the source of energy driving plate tectonics. The global mosaic of plates periodically reorganizes itself and new plate boundaries form while others close up. There are three ways in which the plates interact with each other. Tectonic plates and their distribution using the plate distribution map create a colour code and outline the different types of plate boundaries. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Closely spaced earthquakes with a range of depths that deepen i.

Heat generated from the radioactive decay of elements deep in the interior of the earth creates magma or molten rock in the aesthenosphere. Plate tectonics it was from the continental drift theory, convection current theory and the theory of seafloor spreading, the theory of plate tectonics was formulated. Detailed map showing the tectonic plates with their movement. Plate tectonics information and facts national geographic. The lithosphere includes both the crust and the solid part of the. Use models to describe how tectonic plates cause major geological events such as. At plate boundaries, plates collide, move apart, move under or over each other, or slide past one another. Continental drift, sea floor spreading and plate tectonics. The earths crust is divided into plates which are moved in various directions. Tectonic plates reading material grades 68 printable. Plate tectonics and sea level change coastal processes. The three types of plate movement are divergent, convergent and transform plate boundaries. Tectonic plates or huge slabs of solid rocks separate, collide, and slide past each other causing earthquakes, feeding volcanic eruptions, and raising mountains.

The structure of the earth, plate tectonics and landforms. Plate tectonics has proven to be so useful that it can predict geologic events and explain almost all aspects of what we see on the earth. Rock in the earth is still extremely hot and it can slowly circulate inside the earth through convection, the process of warm fluids rising and cooler fluids sinking. Plate convergence vectors referenced from united states geological survey. At divergent boundaries in the oceans, magma from deep in the earths mantle rises toward the surface and pushes apart two or more plates. Plate tectonics, theory dealing with the dynamics of earths outer shell that revolutionized earth sciences by providing a uniform context for understanding mountainbuilding processes, volcanoes, and earthquakes as well as the evolution of earths surface. Most geophysicists opposed the hypothesis of plate tectonics in the early 1900s, even as late as the 1960s. In 1967, mckenzie and parker suggested the theory of plate tectonics. This scaffolded activity guides students to interpret a complex map of tectonic plates, make observations, construct explanations based on diagrams and make inferences about future pl. If you are looking for engaging and fun resources about tectonic plates movement, here is a great bundle of ebook, activity and posters. The divergent midatlantic ridge rises above sea level in thingvellir national park, iceland, marked by the pink dot on the map, where the north american plate and the eurasian plate move in opposite directions. Plate tectonics the tectonic plates of the world were mapped in the second half of the 20th century. Large pieces of the lithosphere that float on the asthenosphere are called. Describe how convection currents might be the cause of plate tectonics.

According to the theory of plate tectonics, the earths lithosphere is broken into distinct plates which are. The layer below the lithosphere is the asthenosphere. How do the movements of tectonic plates cause geological events. Divergent occurs when two tectonic plates move away from the other.

Plate tectonics is the unifying theory of geology and revolutionized geology. You will recall from a previous chapter that there are three. What are the different types of plate tectonic boundaries. The earths lithosphere, which includes the crust and upper mantle, is made up of a series of pieces, or tectonic plates, that move slowly over time.

Plate tectonics reading, activity and infographics. Have students color and cut out the provided picture boxes and create a flip book type project that shows plate movement. You will recall from a previous chapter that there are three major layers crust, mantle, core within the earth that are. Online shopping for plate tectonics from a great selection at books store. Explain how tectonic plate movement could create another supercontinent like pangaea.

A transform plate boundary occurs when two plates slide past each other. Ocean basinsoceanic crust are continually being created and destroyed through tectonic processes. Throughout earths history, the global ocean has been modified by plate tectonics. Crust is continuously being regenerated and removed. As you read each paragraph, take notes about the key ideas in the.

Explain why the term recycling is an excellent description of plate tectonics. Plate movement is driven by convection in earths mantle. Takehome messages earths geology is dominated by the processes of plate tectonics. Lithosphere is divided into plates that slide around on top of the slowly moving mesosphere tectonic plates it occurred after the breakup of pangaea, and since then the continents have drifted apart.

The theory of plate tectonics combine which two other theories. In this activity, students learn to read and interpret map data to understand plate tectonics and make predictions. Plate tectonics is the surface manifestation of mantle convection, but the large contrast in viscosities between the lithosphere and the deeper mantle leads to departures from a simple boiling pot. Continental drift is the idea that continents passively move due to tectonic activity. Movement and direction of the pacific tectonic boundary. Surface observations and seismic waves showed that the earths interior was solid. Plate tectonics, the study of such relative motions. I deleted the original version, which had 17,110 views, 4 comments, 81 thumbs ups.

If youre behind a web filter, please make sure that the domains. Ice movements desert tropics glacial other paleoclimatic evidence includes deposits of coal, desert sandstone, rock salt, windblown sand, gypsum, and glacial deposits. From wikipedia, the free encyclopedia plate tectonics from greek, tekton builder or mason describes the large. Again the root cause for the movement of the tectonic plates depends upon the convection current. Notes on plate tectonics plate tectonics states that the earths crust and upper mantle are broken into sections, called plates.