From this, we can determine the nature of interactions, e. A mantle with an ultramafic composition, and a core made mostly of iron plus nickel, would make earths composition match the composition of the rest of the solar system, and give those layers the right densities to account for the earths moment of inertia and total mass. Join us as we explore the different layers the crust, upper mantle, lower mantle, outer core and. Xenon isotopic anomalies found in modern plume rocks are explained as the result of iodinetoplutonium fractionations during early, highpressure episodes of core. From core to crust craters of the moon national monument.
The lowest part of the mantle next to the coremantle boundary is known as the d. The major layers of the earth consist of the crust, mantle, outer core and inner core. I have design this activity with two patterns that allow you differentiating in the classroom or using it in different grades. The geosphere includes the solid parts of the earth. It is believed to be as hot as 6,650c 12,000f heat in the core is probably generated by the radioactive decay of uranium and other elements. Ppt the layers of the earth powerpoint presentation. Lets build the earth the structure of the earths crust. Using microsoft onenote draw a model to label and illustrate the structural layers of earth. Therefore, useful diagram for school presentations as a visual to describe earth core interior. Also under a lot of pressure, so the metals stay solid like the inner core. As these new materials build upon the earths surface, they create the cone shape of volcanoes. Lower part of the upper mantle is hot and the metals stay as a liquid, but the upper part is cooler and the metals are more solid. The structure of the earth and plate tectonics pc\mac. When the subducting slab reaches a depth of around 100 kilometres, it dehydrates and releases water into the overlying mantle wedge presenter.
So if you are on a continent, which im assuming you are, and you dig for 20 kilometers, you will still be in the crust. A good analogy for teaching about earths interior is a piece of fruit with a large pit. The strong heterogeneity of the coremantle boundary region is thought to. The mantle is hot and represents about 68 percent of earths mass. Wave energy moving into the interior, however, has its path slowly changed by refraction as the wave moves through regions of slowly changing properties. It is solid because of the pressure from the outer core, mantle, and crust compressing it tremendously. The earth is made of four layers, the inner core, the outer core, the mantle, and the crust.
What percent of the earth is the core, crust, and mantle. Below the crust is the denser rock of the mantle, on which the crust effectively floats. Inner core the core is composed mainly of iron and. Right crust, mantle, and outer and inner core to scale. It has a thickness of 2,900 kilometres 1,800 mi making up about 84% of earths volume. Layers of the earth lesson 1 by naomi mcdonnell tpt.
Core diagrams are used for various purposes, across different fields. Earth layers the earth is divided into four main layers. A core diagram might be used to discuss the structure of the earth, which consists of the mantle, crust and core. Chemically, earth can be divided into the crust, upper mantle, lower mantle, outer core, and inner core. We have been able to drill into the earths core much about what we know about earths mantle and core comes from caves and mines we know only about what is on the very surface of the earth, in what is known as the crust energy waves allow us to see precisely what is deep inside the earth, like a tricorder or scanner from star trek.
Have the student that drew inner core stand in the center and flex his or her muscles this represents the inner core which is dense and solid metal. These convection currents cause changes in the earths surface. Watch video for better and quick understanding mechanically, the earths layers can be divided into lithosphere, asthenosphere, mesospheric mantle part of the earths mantle below the lithosphere and the asthenosphere, outer core, and inner core. National geographic kids is an exciting monthly read for planetpassionate boys and girls, aged 6. Earth core diagram powerpoint template powerpoint design. These waves show that the earth is made from five layers. If you mean how was the mantel formed, i can tell you it is a process called differentiation. Build a model to illustrate the structural layers of earth, including the inner core, outer core, mantle, crust. It contains about 56% of the total volume filling in the transition zone and upper core. Layers of the earth notes the earth is made of 4 basic layers. When the earth, and the other objects in the solar system were formed, it was a random mixture of lots of things, and it was very hot. Core, mantle, and crust are divisions based on composition. Since the target is middle school, only 4 layers are considered. The core constitutes nearly 15% of earths volume and 32.
The internal structure of earth is layered in spherical shells. Students will learn more about the inner core, outer core, mantle, and crust. Powtoon gives you everything you need to easily make professional videos and presentations that your clients, colleagues, and friends will love. The earth is made up of 3 main layers core, mantle, crust on the surface of the earth are tectonic plates that slowly move around the globe plates are made of crust and upper mantle lithosphere there are 2 types of plate there are 3 types of plate boundaries volcanoes and earthquakes are closely. Earths interior crust, mantle, core discontinuities samajho learning. It is very thin in comparison to the other three layers. The mantle the mantle is about 1,800 miles thick and is under pressure and therefore denser and hotter than the crust. A macarthur fellow, jeanloz also studies the internal evolution of other. The earths rocky outer crust solidified billions of years ago, soon after the. Take students to a large open area and build the earth from the inside out.
The core is shaped like a ball with a radius of about 1,220 km. Knowledge application use your knowledge to answer questions about earths crust, mantle, and core additional learning. Crust brown mantle yellow outer core orange inner core red 3. Watch video for better and quick understanding mechanically, the earths layers can be divided into lithosphere, asthenosphere, mesospheric mantle part of the earths mantle below. Crust mantle core 100 the thickest layer of the earth. Outer core the core of the earth is like a ball of very hot metals.
The edges of earths plates meet at plate boundaries. The mantle is much hotter and has the ability to flow. The composition and structure of earth physical geography. The core is the innermost and hottest layer of the earth. Earths crust there are two different types of crust. Seismologists suggest that the core is rotating faster than the mantle. May 25, 2019 the unique slides of earth core diagram powerpoint template are useful for various presentations in different fields. The lithosphere includes the crust and the outermost part of the mantle. Compare what is the difference between the outer core and the inner core. Convection currents in the mantle move the plates as the core heats the slowlyflowing asthenosphere the elasticplasticlike part of the mantle. Inner core the crust the crust is the outermost layer of the earth. In earth science, the core is the center and the hottest part of the earth. If you dig beneath the mantle, you get a mix of liquid and solid in the core of earth. The interior of earth is not subject to direct investigation, but its properties must be indirectly deduced from the study of earthquake waves that propagate through the interior rocks.
Inner core outer core mantle crust the crust outermost layer of the earth the earth s. Jul 25, 2017 the upper mantle and crust outermost layer together, make up the lithosphere. The crust the earths crust is like the skin of an apple. The earths core consists of a fluid outer core and a solidinner core. Have the students that drew outer core form a circle around the inner core. Arial default design inside the earth earths interior powerpoint presentation the crust the crust crust to mantle tectonic plates crust to mantle the mantle convection currents inside the mantle powerpoint presentation the core the outer core the inner core earths magnetic field earths magnetic field. Around the mantle, spread a thin layer of blue clay for the crust. The crust formed by melting of the upper mantle, and has been. Earths crust, which is 5 to 64 kilometers thick, is the part of earth on which we live. On earth, it comprises the crust and the portion of the upper mantle that behaves elastically on time scales of thousands of years or greater. The coremantle boundary cmb in the parlance of solid earth geophysicists of the earth lies between the planets silicate mantle and its liquid ironnickel outer core. Shell crust egg white mantle yolk core physical structure of the earth lithosphere rigid outer layer crust asthenosphere solid rock that flows slowly like hot asphalt lithosphere the lithosphere geosphere is the solid part of earth. Please fill in the layers with the following colors.
A free powerpoint ppt presentation displayed as a flash slide show on id. If you took a crosssection of the earth you would see that the crust lays on top of the mantle and is very thin relative to the mantle there are two types of crust. If you dig for 70 kilometers or 100 kilometers, you will probably reach the mantle. Mechanically, it can be divided into lithosphere, asthenosphere, mesospheric mantle, outer core, and the inner core. The hot material magma in the mantle rises to the top of the mantle, cools, then sinks, reheats, and rises again. The crust of the earth includes the ground that we walk on. The earths radial structure is dominated by the core mantle boundary, the inner core boundary, the upper mantle discontinuities 410km and 670km and the crust mantle transition moho. The mantle has convectional currents within it which are responsible for tectonic movements of the earths crust, seafloor spreading, mountain formation, and temperature regulation. Because the outer core contains iron, when it flows it generates a magnetic field.
A covering garment, also a figurative cloak symbolizing preeminence. From an earthquake near the surface, both pressure compression waves and transverse side. May 22, 2012 outer core lithosphere crust mantle solid a. No design or tech skills are necessary its free, easy, and awesome. The oceanic crust descends into the mantle at a rate of centimetres per year. The crust is the layer that you live on, and it is the most widely studied and understood. If you want to create a core diagram, the animated core diagrams powerpoint template is the perfect toolkit for the job. Core, mantle, crust from an earthquake near the surface, both pressure compression waves and transverse side. The lower mantle 6702900 km represents a significant amount of volume of earth. Fourth grade lesson journey inside the earth betterlesson. Mar 08, 2018 because of their layers in them the core has different layers it has 2 the first one is called the outer core it is solid but the inner core is liquid the mantel has convention currents, mesosphere, asthenosphere then the crust has the oceanic and continental oceanic has the ocean and the continental has land. Ppt layers of the earth powerpoint presentation free. Powerpoint to be used with a worksheet to help students learn about the layers of the earth, and evidence for this knowledge. The earth is made up of 3 main layers core, mantle, crust on the surface of the earth are tectonic plates that slowly move around the globe plates are made of crust and upper mantle lithosphere there are 2 types of plate there are 3 types of plate boundaries volcanoes and.
Earths layers crust where we walk mantle thickest layer, made mostly of solid rock core outer and inner deep inside the earth, made of iron and nickel how deep are the layers. Early episodes of highpressure core formation preserved. An important role or responsibility that passes from one person to another. Illstrate and label the layers of the milky way candy bar that represent the different layers of the earth. The powerpoint shows these levels with the creative display of colors and the shadow effect. This oceanic crust is called the subducting slab see diagram. Oceanic lithosphere, which is associated with oceanic crust and exists in the ocean basins continental lithosphere, which is associated with. The unique slides of earth core diagram powerpoint template are useful for. Free powerpoint presentations about layers of the earth.
The earths layers unit consists of interactive activities and a 100% editable powerpoint with a pop quiz in the end. Consist mainly of the elements iron, calcium, and magnesium. Structure of the earth okaloosa county school district. How does the earths core, mantle, and crust interact. This buildup of material can happen quickly or over long. Left cutaway showing continental and ocean crust, and upper mantle layers. The upper mantle is the second layer below the crust with materials existing in a semimolten to solid state. Jul 12, 2001 the mantle is the rocky, interior region of the planet that transports heat generated during accretion and subsequent core formation. What system includes the core, mantle, and crust of the earth. Similarly, a core diagram can be used for presenting different processes, for making stacked diagrams, as well as for creating infographics. It is relatively cool and rigid and float upon the hotter layer below. Powerpoint page 28 of 186 free powerpoint templates.
A knowledge of earths interior is essential for understanding plate tectonics. The amazing diagram depicts levels of earth interior structure like inner and outer core, mantle and crust in 4 stages. The earths crust the crust is the thinnest layer on earth, 5 km to 100 km there are two types of crust oceanic crust made mostly of the igneous rock basalt. Ppt crust mantle core powerpoint presentation free to. The changing earth santa ana unified school district. The earths mantle is a layer of silicate rock between the crust and the outer core. The crust makes up less than 1 percent of earth by mass, consisting of oceanic crust and continental crust is often more felsic rock. The dense, hot inner core yellow, the molten outer core orange, the mantle red, and the thin crust.
The core is the densest layer of the earth with its density ranges between 9. The mantle is composed of silicate rocks that are rich in iron and magnesium relative to the overlying crust. The crust is a silicate solid, the mantle is a viscous molten rock, the outer core is a viscous liquid, and the inner core is a dense solid. The unique slides of earth core diagram powerpoint template are useful for various presentations in different fields. The crust makes up less than 1 percent of earth by mass, consisting of oceanic crust and continental. Find powerpoint presentations and slides using the power of, find free presentations research about layers of the earth ppt. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Which of the following lists the earths layers in order from. Powerpoint ppt presentation free to download beautiful long layered hairstyles for women here is the handpick list of beautiful long layered hairstyles for women brought to you by. The lithosphere the crust and the upper layer of the mantle together make up a zone of rigid, brittle rock called the lithosphere. The 3d structure of the earths interior can be determined by inverting the traveltime perturbations with respect to a spherically symmetric velocity. The average temperature of the inner core is around 6000c or more and that of the outer core is around 4400c6000c. It is predominantly solid but in geological time it behaves as a viscous fluid.
The mantle the mantle is the layer below the crust. Lesson plan from core to crust national park service. Jan 18, 2016 for all mountains, ocean floor, will give it shape its only 5 to 40 km in length this is the outer part, the crust it is its name youd think it wider on its own well it aint and. This boundary is located at approximately 2891 km 1796 mi depth beneath the earths surface. For the love of physics walter lewin may 16, 2011 duration. The earths surface is covered by its thinnest layer, the crust. The inner core is in solid state and the outer core is in the liquid state or semiliquid. The outer core and inner core are even hotter with pressures so great you would be squeezed into a ball smaller than a marble if you were able to go to the center of the earth. These printables can be used in different grade levels. The lower mantle has a significantly higher density than the upper. Earth with letters of the alphabet, rather than as crust, mantle and core. The mantle contains solid rock, although high temperature and pressure can cause some of this solid rock to flow slowly like an extremely thick liquid. May 31, 2016 our knowledge of the internal constitution of the earth comes from the study of seismic waves generated by earthquakes. It has two parts, the crust and the upper mantle the lithosphere sits on the asthenosphere.
What do earthquake waves have in common with other waves. Fault breaks in earths crust where rocks have slipped past each other. This is a science craftivity that can be done in an elementary science classroom. Wgu inc1 prepost test questions and study guide quizlet. Earths interior crust, mantle, core discontinuities. Label the layers of the earth using the following terms.
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