All About Earth (Core to Crust; Includes Facts; Q/A & much more) Arnold_Anand
This presentation is made in power point 2016.with lots of exciting transitions and animation. With loads of information and pictures.Helpful for students in classes 8,9,10 in social studies (SSC syllabus)
what are the layers of the Earth?
what are at least 3 characteristics of each Earth layer?
Even though scientists cannot travel into the various layers of the earth how do they infer what the structure of the Earth is? Provide 3 examples or more
All About Earth (Core to Crust; Includes Facts; Q/A & much more) Arnold_Anand
This presentation is made in power point 2016.with lots of exciting transitions and animation. With loads of information and pictures.Helpful for students in classes 8,9,10 in social studies (SSC syllabus)
what are the layers of the Earth?
what are at least 3 characteristics of each Earth layer?
Even though scientists cannot travel into the various layers of the earth how do they infer what the structure of the Earth is? Provide 3 examples or more
The Earth is an unusual planet by having bimodal topography that reflects the two distinct types of crust.
Crust is outer part of the Earth and compositionally is consist tow types, continental and oceanic crust.
The oceanic crust is thin (~ 7 km ), and composed from denser rocks such as basalt , younger.
Whereas the continental crust is thick (~ 40 Km), and composed of highly diverse lithologies, and contains the oldest rocks.
Core Subject: Earth and Life Science
II. Earth Materials and Processes
A. Minerals and Rocks
The learners
demonstrate an
understanding of:
1. the three main categories of rocks
2. the origin and environment of formation of common minerals and rocks
The learners:
1. identify common rock-forming minerals using their physical and chemical properties
2. classify rocks into igneous, sedimentary, and metamorphic
The Earth is an unusual planet by having bimodal topography that reflects the two distinct types of crust.
Crust is outer part of the Earth and compositionally is consist tow types, continental and oceanic crust.
The oceanic crust is thin (~ 7 km ), and composed from denser rocks such as basalt , younger.
Whereas the continental crust is thick (~ 40 Km), and composed of highly diverse lithologies, and contains the oldest rocks.
Core Subject: Earth and Life Science
II. Earth Materials and Processes
A. Minerals and Rocks
The learners
demonstrate an
understanding of:
1. the three main categories of rocks
2. the origin and environment of formation of common minerals and rocks
The learners:
1. identify common rock-forming minerals using their physical and chemical properties
2. classify rocks into igneous, sedimentary, and metamorphic
Crisis económica, Segunda Guerra Mundial: dictaduras y auge del populismo en ...Ledy Cabrera
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• Juan Domingo Perón, Justicialismo Argentino
• Lázaro Cárdenas, el cardenismo mexicano
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• Obrerismo.
• Repartos de Tierras a campesinos.
• Reconocimiento de los derechos civiles de la mujer; para su articulacion corporativa al estado despótico.
Autoritarismo en la cuenca del Caribe: República Dominicana
• Cuba
• Nicaragua
• Guatemala
• Colombia
• Venezuela
• Haití
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Internal Structure of The Earth
Physical Layering
Determining the Earth's Internal Structure
C. The Earth's Internal Layered Structure and Composition
D. VELOCITY AND DENSITY VARIATION WITHIN THE EARTH
The immense amount of heat energy released from gravitational energy and from the decay of radioactive elements melted the entire planet, and it is still cooling off today. Denser materials like iron (Fe) sank into the core of the Earth, while lighter silicates (Si), other oxygen (O) compounds, and water rose near the surface.
The earth is divided into four main layers: the inner core, outer core, mantle, and crust. The core is composed mostly of iron (Fe) and is so hot that the outer core is molten, with about 10% sulphur (S). The inner core is under such extreme pressure that it remains solid. Most of the Earth's mass is in the mantle, which is composed of iron (Fe), magnesium (Mg), aluminum (Al), silicon (Si), and oxygen (O) silicate compounds. At over 1000 degrees C, the mantle is solid but can deform slowly in a plastic manner. The crust is much thinner than any of the other layers, and is composed of the least dense potassium (K), calcium (Ca) and sodium (Na) aluminum-silicate minerals. Being relatively cold, the crust is rocky and brittle, so it can fracture in earthquakes.
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The French Revolution, which began in 1789, was a period of radical social and political upheaval in France. It marked the decline of absolute monarchies, the rise of secular and democratic republics, and the eventual rise of Napoleon Bonaparte. This revolutionary period is crucial in understanding the transition from feudalism to modernity in Europe.
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Instructions for Submissions thorugh G- Classroom.pptxJheel Barad
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Macroeconomics- Movie Location
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The US House of Representatives is deeply concerned by ongoing and pervasive acts of antisemitic
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June 3, 2024 Anti-Semitism Letter Sent to MIT President Kornbluth and MIT Cor...
Earth Interior - Chemical and Mechanical Models
1. Lithospheric Plates
1. Why is the Earth broken up into
different pieces on the surface?
2. What is making the plates move
relative to one another?
2. Convection Currents
Heat from the Interior creates convection currents slowly
moving rock due to density differences.
3. Convection Currents
Crust
Mantle
Core
Differences in density
displace material
A more dense
material will fall
and replace a
less dense
material making
it rise.
Water = More Dense
Oil = Less Dense
Colder = More Dense
Warmer = Less Dense
4. Two different models of Earth’s Interior
Mechanical Model
The physical properties
that allow the
movement we observe.
Chemical Model
The composition of each
layer.
6. Composition: Layers of Earth
The crust is the layer of rock that forms Earth’s outer
skin. The crust is a layer of solid rock that includes
both dry land and the ocean floor. CRUST
7. Composition: Layers of Earth
The crust is the layer of rock that forms Earth’s outer
skin. The crust is a layer of solid rock that includes
both dry land and the ocean floor.
Oceanic crust consists mostly of rocks such as
basalt – Thinner Crust
8. Composition: Layers of Earth
The crust is the layer of rock that forms Earth’s outer
skin. The crust is a layer of solid rock that includes
both dry land and the ocean floor.
Oceanic crust consists mostly of rocks such as
basalt – Thinner Crust
Continental crust, the crust that forms the continents,
consists mainly of rocks such as granite – Thicker
Crust.
9. Earth’s mantle is made up of rock that is very
hot, but solid.
Mantle
10. Earth’s mantle is made up of rock that is very
hot, but solid.
Scientists divide the mantle into layers based
on the physical characteristics of those layers.
11. The uppermost part of the mantle and the
crust together form a rigid layer called the
lithosphere
12. The part of the mantle just beneath the
lithosphere is less rigid than the rock above.
This part of the mantle is somewhat soft—it
can bend like plastic. This soft layer is called
the asthenosphere
13. The core is made mostly of the metals iron
and nickel. It consists of two parts—a liquid
outer core and a solid inner core.
OUTER
CORE
INNER
CORE
14. The outer core is a layer of molten metal that
surrounds the inner core. Despite enormous
pressure, the outer core is liquid.
15. The Core and Earth’s Magnetic Field
Scientists think
that movements in
the liquid outer
core create
Earth’s magnetic
field. Because
Earth has a
magnetic field, the
planet acts like a
giant bar magnet.
16. The inner core is a dense ball of solid metal.
In the inner core, extreme pressure squeezes
the atoms of iron and nickel so much that they
cannot spread out and become liquid.