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Rock samples from Earth provide direct evidence of Earth's interior. JavaScript isn't enabled in your browser, so this file can't be opened. It is ultramafic in composition, meaning it has even more iron and magnesium than mafic rocks, and even less silica. The liquid outer core, which contains liquid metals, nickel, and iron. Explain the concept of plate tectonics. You can use a number of different materials to build a model of the earth. What Are the Layers of the Earth? | Science project | Education.com. The mantle is made of mostly that 'liquid' rock that moves like silly putty, but the outer core is an area of mostly liquid iron, which is much denser than the rock in the mantle. Geology is a field of study concerned with the structure and dynamics of Earth. So, if we can't dig that far, how do we know what makes up the interior of the earth? Lesson Focus: Explain that Earth's interior has three main layers: (Write the terms on board: crust, mantle, and core. ) The inner core is a solid, dense ball made mostly of iron and nickel.
Build this layered ball of clay and cut it in half to see a cross-section of the layers at the end. Continental crust is thicker, and predominantly felsic in composition, meaning that it contains minerals that are richer in silica. The really interesting part about this 'solid' layer is that even though it is rock, it 'flows' like a very thick liquid. Why is the term 'SIAL' used to refer to the crust and lithosphere? Unable to pass through air and liquid (water and magma). Explain the concept of inferences (conclusions and predictions) and use an example that children can relate to (guessing what is inside of a wrapped present by shaking, smelling, or weighing it). Crust: Up to 25 miles. Interior of the earth pdf. I feel like it's a lifeline. Create an earth book! Ask students to write a 1-page paper to address the following questions: Assessment: Observe students during the egg activity. Ask students if the shell of the egg could also represent tectonic plates.
The crust is broken into big pieces called tectonic plates and resemble pieces from a jigsaw puzzle. Email my answers to my teacher. Ask students, based on what was reviewed, what part of Earth they believe the shell of the egg represents. Interior of the earth ppt. We know it exists because of how seismic waves change speed as they move through it, but it isn't clear why it's different from the rest of the mantle. EARTH'S LAYERS FOLDABLE/WORKSHEET.
Environmental Geology||Collection and analysis of geological data; study of environmental issues in cities or large metropolitan areas|. The inner core is found to be in a solid state, and the outer core is in a liquid state. To figure out the relative sizes of each layer, you'll need to do some math. Interior of Earth Questions - Practice Questions with Answers & Explanations. P waves are compressional or longitudinal waves able to move through any type of material (solid and liquid).
During the cold war, a nuclear arms race between the United States and the Soviet Union occurred. Using the dimensions you've calculated above, start by making the small inner core. S waves are shear waves that shake the ground up and down and side to side. In those early days over 4 billion years ago, the earth was mostly made up of liquid rock in volcanoes and was pounded by collisions from other things in space. As less dense magma rich in silica rose to the surface and cooled, Earth's crust was formed. DIAGRAM OF INTERIOR OF THE EARTH worksheet. Geologists use clues from seismic activity to obtain indirect evidence about the material inside Earth.
Other ideas are that small pools of melt are present, or that the differences in seismic properties are due to subducted slabs of lithosphere resting on the core-mantle boundary. Outer Core||5180 to 2990 kilometers below Earth's surface||Liquid iron and nickel heated by radioactive decay of uranium and thorium; churning of liquid iron and nickel creates electrical currents that generate Earth's magnetic field. This will allow you to see inside and look at the layers. 1% of Earth's volume. If you look at the straw from the side, it appears to 'bend' where it hits the surface of the water. For this, we need to study body waves so that we can see what Earth's 'body' is like. Resources created by teachers for teachers. When you put the cake mixes into the pans to bake, try to use the approximate dimensions that you calculated above so that the cake layers will be the correct thickness. P waves slow down when they reach the outer core because it is liquid. Garbage bag (for clean-up). Earth interior worksheet answer key. Present the following information on an overhead: - The Earth's crust is approximately 25 miles thick, contains solid rock (which is mostly granite), but also contains igneous, sedimentary, and metamorphic rock. The mantle is almost entirely solid rock, but it is in constant motion, flowing very slowly. As the temperature of the medium increases, the speed of the seismic wave decreases. Ask students what they know about plate tectonics (write the term on board).
Once you have learned about the different layers of the Earth, a nice and easy way to help you remember their names and order might be useful. The outer core is very hot. Explanation: The upper portion of the mantle is known as the asthenosphere. Since the material on Earth becomes denser with depth, waves traveling at greater depths will travel more quickly. Dense materials sank toward Earth's center forming its iron-nickel core. P waves are compressional or longitudinal waves. Seismic stations placed different distances from where the earthquake occurred, measure the seismic waves. This bending is similar to looking at a straw in a half-full glass of water. The Field of Geology. Paleontology||Study of prehistoric life; fossils, plants, from past|. The core is called the "nife" layer since it is composed of heavy materials like nickel (Ni) and iron (Fe).
Vocabulary: Procedure: Introduction: Ask students what a globe represents. Sometimes people talk about the earth's "spheres". Travel slower than P waves at 3. There are two types of body waves, called P waves and S waves. Look at the top of your web browser. Layer of Earth||Depth||Characteristics|. The mantle is the thickest layer composed mainly of iron, magnesium, and calcium-rich silicate minerals. Travel about 6 to 7 kilometers per second, which is twice the speed of S waves. P stands for primary waves because these waves travel the fastest and are detected first. Watch the video below to understand the composition of each layer. The samples are then analyzed and help geologists determine the conditions and material inside Earth. Another significant change in wave speed occurs at the edge of the inner core.
Michael Peterson was a writer, and many said he has the kind of ego which craves the spotlight. I'm so grateful to you, my fans, for making my work feel like play, and I can't wait to share what else I've been cooking up lately. Try onshapewearbutt enhancingunderweartummy control shapewearbutt lift shortstryontry on haultryon haulskimskim kardashiancaitlyn swaysteph in spaceccflightig modelsinstagram modelsswaymagreviewgirdles and body shapersbody shaper amazonbody shaper reviewshapewear amazon.
Read more from us on 'The Staircase': Share a Sway from your Organizational Account. I got the idea for this try on after seeing rave reviews about Kim Kardashian's new line of shapewear... Try on tv caitlyn sway song. but I wasn't about to go out and buy Skims right off the bat. Ned refused the plan but still asked for help with his own plan. Kathleen died on December 9, 2001, so she never reached the end of the year to find out her fate. "Poor Kathleen is undergoing the tortures of the damned at Nortel. Return common part of every keyword result.
Michael Peterson was so worried, in fact, he emailed his first wife Patty eleven days before Kathleen's death to ask her to take a $30, 000 home equity loan to help their sons out because he was unable to do so. Kathleen had a high-powered job, but was worried she was about to be made redundant. "[Dr. Radisch, the state pathologist] moved her examination to the internal neck area, and discovered a bloodied fracture with haemorrhage on the small extension off of the left thyroid cartilage, " the crime author wrote. Those in your organization with the link - only people at your work or school will be able to view or edit your Sway. So who really was she? Within six months of his wife's death, Michael Peterson had collected $347, 000 from his late wife's assets to fund his legal defence. Sway lets you control the level at which you share your creations with other people. Michael's sons, Clayton and Todd Peterson, were also in severe debt. Try on tv caitlyn sway in the morning. By default, the Those in your organization with the link security setting is pre-selected for you. This is the most secure setting, so use this option for sensitive or confidential information that you don't want to share publicly. I think we'll do a try on haul of Skims soon too. Michael Peterson had a book deal ready to go if he was found not guilty. Follow Cat on Instagram.
To embed a Sway on your own website, click Get embed code. Anyone with a link - only people who have been given the link to your Sway will be able to view or edit it. In Michael Peterson's murder trial, the prosecution's case focussed on money - or the couple's lack of it - as a motive. If you send someone an edit link, they will be able to view and edit your Sway. OK. Save search filters. Start typing the individual name, group name, or email address of someone in your organization in the box. Depending on the type of account you're using to sign into Sway, the options you'll see on the Share menu will differ slightly. Michael may have been a local newspaper columnist and author, but he wasn't a big earner - and he didn't own the 1810 Cedar Street property. Long enough to dispose of Lord Stannis. Try on tv caitlyn say never. Choose whether you want to invite people to view or edit. That description would fit with writer Aphrodite Jones' revelation in her book on the case, A Perfect Husband, that Michael Peterson had a book deal ready and raring to go after the trial - if he was found not guilty. Whew, so many questions... When there are multiple keywords, Return combined result of every keyword.
To share a link with someone, click the Copy link button next to the URL in the box under the Invite people to view or edit radio buttons. Michael and Kathleen Peterson were in a lot of debt. We know she lived at 1810 Cedar Street in a well to-do suburb of Durham, North Carolina. In the last two episodes of The Staircase, filmed in 2016 as Michael Peterson's legal case finally drew to a close, you might have noticed the lawyers mentioning "strangulation" injuries discovered in Kathleen Peterson's autopsy. But when paramedics arrived on the scene 10 minutes later, Kathleen was dead - and it appeared to them that she had been dead for far longer than just a few minutes. Kathleen was found with feathers and clumps of hair in her hands.
CNN reported that Young testified during the trial, revealing the Petersons had been spending $100, 000 a year more than they made for three years before Kathleen Peterson's death. The staircase she was found dead at the bottom of was just one of many in the vast property, and the couple were thought to have been relaxing by the swimming pool in the garden prior to Kathleen's death. The thing about The Staircase is that, although it centres around the death of Kathleen Peterson, there's actually very little focus on Kathleen herself throughout the 13-part Netflix documentary. But she never let her own feelings affect the course of editing. Wed your younger girl to Prince Tommen, and your heir to Myrcella. If your Sway contains nothing confidential, you can use this security setting. You can read more in depth information about the owl theory here.
Experts believe Kathleen had been dead for some time when paramedics arrived. Share your Sway with Those in your organization with the link or Anyone with a link. According to the show's director, Jean-Xavier Lestrade, this relationship had no influence on how Brunet edited the series. Alternately, you can share your Sway on social networks — including Facebook, Twitter, and LinkedIn — by clicking any of the icons under the URL. Video Value $ 141 - $ 164. We know she had one biological daughter, Caitlin Atwater, two adopted daughters, Martha and Margaret Ratliff, and two step-sons, Clayton and Todd Peterson. "It would be a huge relief off my [shoulders] because I am worried sick about them, " Michael's email read. But those are just the basic facts. It will be four years before Joffrey comes of age. If you signed into Sway with the email address of an organizational account at your company or school, your Sway has three available permission levels: Specific people or groups, Those within your organization with the link, and Anyone with the link. Share your Sway with Specific people or groups.