San francisco, sacramento and the sierra nevada are on the north american plate. Noahs flood and catastrophic plate tectonics from pangea to today duration. Geologists determine the epicenter with the use of 3 seismographs. The earths surface is made up of a series of large plates that can travel up to 2 or 3 cm per year. Locate the epicenter of an earthquake using the triangulation method. When the fundamentals of plate tectonics are explained in any basic geology textbook, it is easy to forget that in the 1960s it was a revolutionary idea that completely transformed earth science. Be able to describe the 3 types of plate boundaries and the structures associated with each. Plate tectonics, our major paradigm for how the earth works, was established in the 1960ies following decades of observational research that culminated in key discoveries such as geomagnetic. It is made up of pdftojpg v1 2 3 thick, interconnecting pieces called tectonic plates that fit. Along faults however, this movement is not slow and gradual but occurs as a series of jerks, both large and small.
Earthquake epicenter introduction history nothing can strike fear in the hearts of people quite like a natural disaster. Learn vocabulary, terms, and more with flashcards, games, and other study tools. When the fundamentals of plate tectonics are explained in any basic geology textbook, it is easy to forget that in the 1960s it was a revolutionary idea. Create a power point presentation for plate tectonics include at least 5 pictures. The core idea of plate tectonics, its effect on earths history, and its current geological activity helps students make sense of our world. The location on the surface directly above the focus. The earth is composed of layers of different composition and physical properties, principally the solid central core, the fluid peripheral core, the viscous mantle, and the solid. These features can be sources of different minerals or can be used for agricultural purposes. How do you use triangulation to find an epicenter of an earthquake. Arigid mantle and plastic mantle bouter core and stiffer mantle cstiffer mantle and asthenosphere. On the second plastic sheet, sketch the approximate locations of. How do you to use triangulation to locate an earthquakes. A string of islands formed by the volcanoes along a deep ocean trench or plate boundary hot spot a volcanically active area of earths surface far from a tectonic plate boundary. What type of plate boundary is located near the epicenter.
How do you use triangulation to find an epicenter of an. The difference in the arrival time between p and swaves. Identify world plate boundaries by their movementinteraction. Since you now know when the pwave arrived at a city and how long it had to travel, calculate. Locating earthquake epicenter lab triangulation 6th grade. Mar 21, 2020 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 and reconstructing its past continents and oceans. Cells are the smallest unit of life that can function independently and perform all. The first of these is an estimate of the energy released, and the value is referred to as magnitude. Chapter 3 earth structure and plate tectonics chapter 3. I can correlate the locations of earthquakes and volcanoes to plate boundaries. Earthquakes hw 2 distance to epicenter, travel time, origin time, locating an epicenter by triangulation animations used in lessons.
The san andreas fault is the sliding boundary between the pacific plate and the north american plate. By performing a series of engaging handson activiti. Be able to describe the evidences showing the earth and solar system are 4. Earthquakes, and plate boundaries why series earth science episode 2 volcanoes, earthquakes, and plate boundaries the earths crust is located below the.
According to the theory of plate tectonics, the lithosphere is made up of about 12. Developed the theory of continental drift and was the first to propose the theory of plate tectonics 2. View notes chapter 3 earth structure and plate tectonics from msci 210 at university of south carolina, beaufort. Students will triangulate the epicenter of an earthquake when given data and predict how. This is a lab to help students explore the triangulation method used to determine earthquake epicenters. Explore and learn more by using the preselected links below. You will be creating a solvable triangulation scenario, similar to the ones youve solved in class. Earthquakes hw 1 1 regents qs travel times, seismograms, distance to epicenter. If you complete these tasks, you will be prepared for that section of the regents earth science lab performance examination. Earthquakes and volcanoes are two of the visible signs of plate tectonics.
The length of time it took for the pwave to travel from the epicenter to each city. Summary of the theory of plate tectonics john lanser. San francisco, sacramento and the sierra nevada are on. It is caused by the sudden movement of masses of rock along a fault or by. Jan 03, 2014 summary of the theory of plate tectonics john lanser. The distance in km of the epicenter from each city. The grade 6 earth science unit on earthquakes and volcanoes is presented to students through a series of investigations using indirect evidence models and direct evidence, experiments, active learning experiences, researching using a variety of sources, questions, and assessments. Convection currents beneath the plates drive the plates in different directions. Other life dispersed to new areas as continents reconnected, oceans narrowed, or chains of volcanic islands formed. Create a mural or collage of various plate tectonic topics.
Earth science unit 3 vocabulary flashcards quizlet. Along plate boundaries where two tectonic plates meet 3. Unit 3 lesson 2 theory of plate tectonics flashcards quizlet. You are going to be creating your own earthquake and its seismographic data. Earthquake focus and epicenter movement along a fault releases. How can we use seismic waves to pinpoint the epicenter of an earthquake. Triangulation using data from three seismic centres will accurately pinpoint the epicentre of an earthquake. The sudden return of stretched rock to its orginal shape. I can name and describe the 3 types of plate boundaries. I created this lab because i wanted a lab that very purposefully made students practice the analysis of seismogram data, calculate pertinent information such as lag time from pwave and swave data and use triangulation to determine. Review unit 4 plate tectonics aseismic waves bdepth of earths oceans celectromagnetic radiation disobar gradients 1. Earthquake classroom activities and lesson plans geology.
A model of earths internal structure is shown below. This segment continues the discussion of terms and concepts related to plate tectonics theory, focusing on the nature of plate boundaries and their importance. Be able to explain the features of the ocean floor that support the plate tectonics theory. This is the number that is typically used by the press when a big earthquake happens. For example, we have the majestic and world renowned mayon volcano. Describe finding the location of an epicenter using seismic data. Select the link here to download and run the earths tectonic plates. Three types 16 after learning the different types of plate boundaries. The second lesson in unit 3 is built around biographical sketches of. The epicenter refers to the point on the earths surface above the focus of an earthquake. It slices california in two from cape mendocino to the mexican border. Swbat interpret a seismograph reading and triangulate the epicenter of an. Similarly to the previous unit, the teacher directions in this lesson are. Students will explore tectonic plate boundaries and different types of seismic waves.
Physical geology, earthquakes, seismic, earth layers graham cracker plate techtonics lab demo this. Exploring plate tectonics not only helps students clarify what they already know about earthquakes, volcanoes, and plate tectonics, it deepens their understanding of their world and some of the powerful natural events that significantly affect it. Types of plate boundaries cross sections the breakup of pangea continental drift. Finding identical or similar fossils in areas separated by vast distances were some of the first clues that scientists used to reconstruct past plate movement. We have already talked about plate tectonics and how the earths crustal plates move at an average rate of a few centimetres each year.
This simulator will walk you through the steps of epicenter triangulation that we will then. There is a wealth of information on the internet, but sometimes the information you need can be hard to find. Heres why dogs jump on you when you get home plus 49 other meanings behind what they do duration. The lithosphere lithosphere is comprised of the upper mantle and the. Analysis of which type of data led to the development of this model. Where the 3 circles for each station intersect is the location of that earthquakes epicenter. The lithosphere lithosphere is comprised of the upper mantle and the crust, the outer shell of the earth. You will be using the same steps you take to triangulate an epicenter, except this time you will create them yourselves.
What about the mantle allows the plate tectonics to move. Common characteristicslocations for the three types of plate boundaries. Plate tectonics, volcanoes, earthquakes flashcards. Include a 5 paragraph explanation that covers the necessary research topics. A break in earths crust along which blocks of rock move, can be a tectonic plate boundary or an isolated crack in the earths crust. Chapter 3 earth structure and plate tectonics look for the following key ideas. Unraveling the mysteries of the earth the living earth jon erickson on. Why do you need three seismic to find epicenter of an.
Physical geology, earthquakes, seismic, earth layers graham cracker plate techtonics lab demo this video walks through the gram cracker plate tectonics lab. Aug 24, 2008 this segment continues the discussion of terms and concepts related to plate tectonics theory, focusing on the nature of plate boundaries and their importance. Plate tectonics earthquakes volcanoes graphic organizer bundle contains four of my popular graphic organizers to work with a tectonics unit in both print and digital formats for distance learning. Explains the theory of continental drift and shows how this activity has affected the earths geological composition. I can explain what structures form at each of the plate boundaries.
I can explain plate tectonics and their role in the lithosphere. Earthquakes and plate tectonics flashcards quizlet. This grade 6 earth science unit focuses on earthquakes and volcanoes and is. Students can find the location of an earthquake by triangulation if they know. Science textbook triangulating earthquake epicenter teacher directions. The plate tectonics theory tries to explain the movement of the earths lithosphere. Start studying unit 3 lesson 2 theory of plate tectonics. The awesome power unleashed by a hurricane, tornado, volcano, or earthquake can cause large losses in life and property. Activity for students to graph and write equations for circles representing possible locations where the earthquake occurred from 3 stations at each of two earthquakes.
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