In the blank at the left, write the letterofthe term that best completes the sentence. As we discovered in chapter 1, plate tectonics is the model or theory that we use to understand how our planet works. Directed reading for content mastery answer key section 2. Seafloor spreading answer key this is a midocean ridge. Section 1 continental drift main idea the continental drift hypothesis states that continents have moved slowly to their current locations. Plate tectonics is the most important concept in modern geology. It is an underwater mountain range that forms when magma pushes up on the crust at a divergent boundary. The plastlclike layer below the lithosphere is called the b. Learn from yesterday, live for today, hope for tomorrow. According to the plate tectonics theory, the uppermost mantle, along with the overlying crust, behaves as a strong, rigid layer.
The theory of plate tectonics grew out of earlier hypotheses and observations collected during exploration of the rocks of the ocean floor. Chapter 1 plate tectonics power point linkedin slideshare. The theory of plate tectonics key concepts what is the theory of plate tectonics. Holt earth science directed reading workbook answers the. Earth science students can use this as a quick reference tool. The theory of plate tectonics explains the formation, movement, and subduction of. You will recall from a previous chapter that there are three. Regents questions here are regents questions for plate tectonics. For more information on how to use these and other tools, see appendix a. Earthquake epicenter section 3 earthquakes, volcanoes, and plate tectonics611 friction friction is a force that opposes the motion of two objects in contact.
The sections, called, move on a plasticlike layer of the mantle. Mercallirichter sheet handout primarily discussing the modified mercalli scale. Geology, the environment, and the universe study guide for content mastery chapter 17 study guide for content mastery name class date section 17. By what time period was evidence supporting continental drift, which led to the development of plate tectonics, developed. Figure 7 three types of plate boundaries a b c types of plate boundaries build reading literacy refer to p. Plate tectonics figure 83new lithosphere is created at the midocean ridges.
Plate tectonics the theory of plate tectonics this section explains how the lithosphere is broken into separate sections that move. The worksheets are designed for the full range of students. It is explained in some detail in chapter 10, but is introduced here because. Holt stars galaxies directed reading a s back lesson. Understanding the movement and behavior of the earths outermost layers has been a painstakingly long scientific process. As scientists learned more about seafloor spreading and magnetic reversals, they formed a theory to explain how. I copied the maps onto transparencies and created a lab where students ultimately overlaid the transparencies to compare and contrast the locations of earthquakes, volcanoes, and plate boundaries. New oceanic crust is formed through magma rising through the gap and cooling. Explain how tectonic plate movement could create another supercontinent like pangaea. This quiz and corresponding worksheet will gauge your understanding of plate tectonic theory. If they do, there is nothing left but to conclude that the pieces were in fact once joined in this way.
Along plate boundaries where two tectonic plates meet 3. Download pdf versiondownload doc versiondownload the. The theory of plate tectonics activity worksheet example answers 3 volcanoes volcanoes occur along hot zones at plate boundaries underground volcanoes are seamounts a line of seafloor volcanoes indicates the direction a tectonic plate is moving 8. There is one worksheet for each section, or lesson, of the chapter. Section 3 theory of plate directed reading for content mastery tectonics directions. Chapter 3 plate tectonics worksheet flashcards quizlet answers in genesis 1,561,580 views. Earth science chapter 8 test study guide vocabulary words. As plates move, the new crust gradually moves away from the ridge.
Most of the active volcanoes in the world occur in the ring of fire around the perimeter of the pacific ocean. Displaying all worksheets related to plate tectonics coloring. Critique and interpret major types of evidence supporting the theory of plate tectonics. Developed the theory of continental drift and was the first to propose the theory of plate tectonics 2. The theory of plate tectonics activity worksheet 3 volcanoes 8. Holt earth science 25 plate tectonics name class date skills worksheet math skills scientific notation and the rate of plate movement sometimes scientists who study the geologic history of earth must work with very large numbers. L3 chapter 4 159 how plates move the theory of plate tectonics tek tahn iks states that pieces of earths lithosphere are in slow, const ant motion, driven by convection currents in the mantle. These magnetic bands provide evidence that new crust is forming as the plates move away from the ridges. Chapter 3 plate tectonics topic the theory of plate. Maybe you have knowledge that, people have look numerous period for their favorite books taking into account this holt earth science. The theory of plate tectonics is well established, so scientists no longer chapter 4.
Explain why the term recycling is an excellent description of plate tectonics. Chapter 3 section 1 geosphere notes plate tectonics theory it is just as if we were to re. The grade 6 earth science unit on plate tectonics 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. The hypothesis was the work of a german scientist named alfred wegener wegener said that all the continents were once connected as one large landmass now called pangaea the land mass broke apart, and the continents drifted to their present positions. Changing continents learn with flashcards, games, and more for free. More specifically it is a model that explains the origins of continents and oceans, folded rocks and mountain ranges, igneous and metamorphic rocks, earthquakes and volcanoes, and continental drift. Start studying chapter 3 plate tectonics worksheet. Topics youll need to know to pass the quiz include the reason plate.
Wegeners theory and sea floor maps were used to develop the theory of plate tectonics. The plasticlike layer below the lithosphere is called the asthenosphere. Each plate moves over earths mantle and changes position with respect to other plates. Name two pieces of evidence that scientists have used to base the continental drift theory on. Notetaking worksheet section 3 theory of plate tectonics a. After harry hess described the idea of seafloor spreading, scientists found more evidence that continents can move. Looking at the information you compiled in your chart above, explain one way the theory of plate tectonics can relate to engineering. What are the three types of tectonic plate boundaries. Chapter 9 plate tectonics section 1 continental drift. Scientists can measure the differences in the speeds of seismic waves that travel through the earths. The reinforcement worksheets are designed to focus primarily on science content and less on vocabulary, although knowledge of the section vocabulary supports understanding of the content.
Circle the letter of major plates there are on earth. The sections, called plates, move on a plasticlike layer of the mantle. Word parts prefixes many scientific words are made up of word parts that come from latin and greek. Find definitions and descriptions of key plate tectonics vocabulary words and concepts used in teaching and learning about plate tectonics. One of the major questions with the theory of continental drift is how does it work. The theory of plate tectonics states that earths surface is divided into rigid plates of rock. Plate tectonics i grades 9 overview unifying concepts and lesson introduces students to geological oceanography by presenting the basic structure of the earth and the properties of arths primary layers. Plate tectonics theory lesson a middle school lesson on plate tectonics theory for grades 68. That portion of the lithosphere takes on earths magnetism and slowly moves away from the ridge. The theory suggests that the earths crust and the upper mantle, normally made up of solid rock called lithosphere are broken into a number of rigid plates that move on the lower part of the mantle called asthenosphere. Earths crust and upper mantle are broken into sections called a. Seafloor spreading occurs at divergent plate boundaries which subsequently create midocean ridges. Plate tectonics coloring worksheets lesson worksheets. The plate tectonic theory earths crust is constantly being created and destroyed the theory of plate tectonics states that earths surface is made of rigid slabs of rock, or plates, that move with respect to each other each plate moves over earths hot and semi plastic mantle the term tectonic describes the forces.
Complete the plate tectonics worksheet in your workbook all pages, 100% complete these do not include the concept sketches or other activities, just the questions associated with the worksheet. Section 3 earthquakes, volcanoes, and plate tectonics609 figure 15 earths lithosphere is divided into about major plates. Holt earth science plate tectonics name class date skills worksheet directed reading section. The theory of plate tectonics geology lumen learning. The outer shell lies over a weaker region in the mantle known. Ngss msess23 plate tectonics worksheet with answer keyworksheet. The theory of plate tectonics explains how continents move and change shape. List and describe the evidence for the plate tectonics theory. Chapter 1 test answer key volcano world oregon state. What happens to the age of the seafloor rocks as you get farther away from a midocean ridge. What are four pieces of evidence for continental drift. Catastrophic plate tectonics and the global flood global. You can figure out the meanings of unfamiliar science terms by looking at their word parts. Answers and objective correlations are provided in the teacher guide and answers section.
Movement of the plates produces forces that generate the energy to cause earthquakes. Plate tectonics worksheets with answer key teachers pay. This section will introduce you to the concept of plate tectonics, how it works, why it is important and how it is shaping the world today. Scientists divide the earth into the crust, mantle, and core based on the chemical elements that make up each of these layers. Theory that states that the lithosphere is divided into plates that move. Reading strategy comparing and contrasting after you read, compare the three types of plate boundaries by completing the table. Australia has no active volcanoes and experiences few earthquakes. The hypothesis was the work of a german scientist named alfred wegener wegener said that all the continents were once connected as one large landmass now called pangaea. Identify the lessons in the glencoe earth science plate tectonics chapter with which you need help. Plate tectonics 255 plate boundariesuse what you have learned about plate tectonics to compare wegeners continental drift hypothesis to the theory of plate tectonics. Molten rock pushes up from the asthenosphere and pushes the plates apart at the midocean r. In slab pull, the driving force comes from subducting slabs.
These worksheets prepare students for the chapter test. Content outline for teaching continued section 3 theory of plate tectonics a. For example, pangaea began breaking up 250 million, or 250,000,000, years ago. Find the corresponding video lessons within this companion course chapter. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Worksheets are sixth grade plate tectonics, activityworld map of plate boundaries, lab work plate tectonics, the theory of plate tectonics, chapter 1 alaska plate tectonics, plate tectonics, this dynamic planet, second grade plate tectonics. Kindle file format a plate tectonics puzzle answers. Chapter 5 plate tectonics section 5 plate tectonics 38 terms. Here are a few nice usgs maps that might be useful. Craton that has been exposed to the earths surface. The theory of plate tectonics is our current best explanation and working model for answering these questions. Section 1 plate tectonics underlined words and phrases are to be filled. Sep 17, 2009 the theory of plate tectonics explains how plates and their continents move. The theory of plate tectonics explains the formation, movement, and subduction of earths plates.
Earths crust and upper mantle are broken into sections. Worksheet 6 plate tectonics student name 60 25 10 2 2 10 25 60 inspection copy for schools only. A theory proposed by alfred wegner that said all continents were once joined 300 million years ago in a single land mass called pangaea. Plate tectonics describes the distribution and motion of the plates.
Along spreading centers in the sea floor, melted rock rises through cracks, cools, and forms new crust that builds up midocean ridges. When the plates collide, the lithosphere is piled up to form tall mountains. The theory of plate tectonics a, the plate tectonics theory 1. Where do crustal features, such as volcanoes and mountains, form on earth. Pdf holt earth science chapter 10 plate tectonics thank you categorically much for downloading holt earth science chapter 10 plate tectonics. Worksheet s in earthquakes, volcanoes and plate tectonics for use within the science classroom. Start studying chapter 10 section 3 theory of plate tectonics. Students learn the structure and composition of oceanic and continental crust and the theory of plate tectonics. Over time the continents moved to their present day locations. Theory of plate tectonics introduction when the concept of seafloor spreading came along, scientists recognized that it was the mechanism to explain how continents could move around earths surface. Pdf download free holt earth science chapter 10 plate tectonics. Large area of stable rock that all of the continents that exist today have.