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Layers of the Earth Unit 5 ES.7 The student will investigate and
Layers of the Earth Unit 5 ES.7 The student will investigate and

... in motion (compression, tension, and shearing) with respect to one another (because of convection currents in the mantle). The core, _______________, and crust of the Earth are dynamic systems that are constantly in motion Throughout the typical human lifespan the Earth’s surface appears to remain r ...
How old is the Earth really? THE AGE OF THE EARTH- 1850
How old is the Earth really? THE AGE OF THE EARTH- 1850

... In 1862, William Thomson better known as Baron Kelvin of Largs (1824-1907), assumed that the Earth was originally molten and, based on cooling by conduction and radiation, calculated that the earth required about 98 million years to cool, although towards the end of is life, he revised this to 20-40 ...
learning targets for
learning targets for

... How do engineers make a building safe? Research and build a model of a home/building that uses earthquake prevention mechanisms. Include a description of the techniques. ...
Unit 10 video notes
Unit 10 video notes

... ________________________________. Convection currents are caused by the very ________________________ at the deepest part of the mantle _____________, then __________________ and __________________ again --____________________this cycle over and over. The Outer Core The core of the Earth is like a _ ...
Rhythm Rhyme Results Layers of the Earth
Rhythm Rhyme Results Layers of the Earth

... 18 what the units of measure that are used to measure the Earth's heat are called 20 the continential crust is made up primarily of ____ 22 the name of the temperature scale used to measure Earth's heat is _________________ 23 the coolest layer of the Earth (2 words) ...
PRESENTSS
PRESENTSS

... Deriving its name from the Greek word asthenos (without strength) and contained entirely in the upper mantle is the asthenosphere. This zone is known as a plastic zone because of the sometimes semi-solid nature of its materials. The asthenospheres lack of rigidity is because the temperature is so cl ...
Science 8th Grade - Holy Family School | Phoenixville, PA
Science 8th Grade - Holy Family School | Phoenixville, PA

... other materials at the Earth’s surface a. decomposition: chemical change that breaks down rock as a result of reactions with organic substances in the soil or with acid rain b. disintegration: mechanical change that causes the breakdown of rock due to the action of wind, ice, plant roots, or water h ...
Introduccon to PLATE TECTONICS
Introduccon to PLATE TECTONICS

... •  oceanic crust: around 5 km – cannot drill because we also have 5 km of ocean above it •  con)nental crust: up to 80 km – too thick to drill ...
EARTH-2
EARTH-2

... layers the crust is much thinner. It floats upon the softer, denser mantle. The crust is made up of solid material but this material is not the same everywhere. There is an Oceanic crust and a Continental crust. The first one is about 4-7 miles (6-11 km) thick and mainly consists of heavy rocks, lik ...
Presentation
Presentation

... it is the most widely studied and understood. The mantle is much hotter and has the ability to flow. 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! Extreme conditions in ...
10 Things to Know About Plate Tectonics
10 Things to Know About Plate Tectonics

... 2. Movement occurs because of convection currents in the asthenosphere, which move the lithosphere on top. Mantle heats up as it approaches the core, so it rises to the top, where it cools and cycles back down toward the core, and so on and so forth. 3. Divergent plate boundaries – two plates moving ...
The Geosphere
The Geosphere

... Used by scientists to measure amt. of energy released by earthquakes.  magnitude- the measured amount of energy coming from a quake.  Smallest 2.0 and largest ever recorded is ...
6-2 Study Guide
6-2 Study Guide

... ...
Landforms - Rankin County School District / Homepage
Landforms - Rankin County School District / Homepage

... • Four important zones in Earth’s Interior – Core-Center: like a nuclear furnace, divided into inner(solid) and outer core (dense liquid metal) – Mantle- Most of Earth’s mass – Crust- 25 miles thick. Currents carry heat from core through the mantle to the crust ...
Name
Name

... At first, not many scientists agreed with Wegener’s Theory of Continental Drift. What might have been the BEST reason that the theory was difficult to believe? ...
Colorado State Science Content Standards
Colorado State Science Content Standards

... 5. there are consequences for the use of renewable and nonrenewable resources 6. evidence is used (for example: fossils, rock layers, ice cores, radiometric dating) to investigate how Earth has changed or remained constant over short and long periods of time (for example: Mount St. Helen’s' eruption ...
Plate Tectonics
Plate Tectonics

... Pangaea • Alfred Wegener proposed the theory of continental drift in early 1900’s • Wegener’s theorized that all the continents were once a single landmass. (Pangaea) • All continents were once joined and began gradually moving apart, in fact they’re still moving. ...
Document
Document

... Pangaea • Alfred Wegener proposed the theory of continental drift in early 1900’s • Wegener’s theorized that all the continents were once a single landmass. (Pangaea) • All continents were once joined and began gradually moving apart, in fact they’re still moving. ...
A Late Paleozoic association of plants found only on the
A Late Paleozoic association of plants found only on the

... attain their magnetism.   ...
200 300 400 500 100 200 300 400 500 100 200 300 400 500 100
200 300 400 500 100 200 300 400 500 100 200 300 400 500 100

... describe the creation of earth 1.The earth began to cool. 2.Energy heated the new planet to high temperatures 3.Earth’s molten surface hardened ...
Earth*s Interior - Mr. Cramer
Earth*s Interior - Mr. Cramer

... What is the difference between the lithosphere and the asthenosphere? In which layer is each located? Classify each of the following layers as liquid, solid, or solid but able to flow slowly: lithosphere, asthenosphere, lower mantle, outer core, inner core. ...
The Sea floor: Layers of the earth
The Sea floor: Layers of the earth

...  Because all of the oceans are connected, they are sometimes referred to as a single “world ocean”. ...
Science 10 - TheScienceWoman
Science 10 - TheScienceWoman

... 2. Explain the movement of three types of seismic waves (primary, secondary, and surface waves) through the layers of the earth’s crust 3. � describe tectonic plate boundaries, including - transform boundaries - divergent boundaries - convergent boundaries (oceanic-oceanic, oceanic-continental, and ...
The Physical world
The Physical world

... solid ball, it is really more like a series of shells that float on one another.—Think of an egg! • Core – solid metallic center made of nickel and iron • Mantle – soft layer of molten rock (magma) • Crust – thin layer of rock on earth’s surface ...
Powerpoint Presentation Physical Geology, 10/e
Powerpoint Presentation Physical Geology, 10/e

... • Deep interior of the Earth must be studied indirectly – Direct access only to crustal rocks and small upper mantle fragments brought up by volcanic eruptions or slapped onto continents by subducting oceanic plates – Deepest drillhole reached about 12 km, but did not reach the mantle ...
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Geophysics



Geophysics /dʒiːoʊfɪzɪks/ is a subject of natural science concerned with the physical processes and physical properties of the Earth and its surrounding space environment, and the use of quantitative methods for their analysis. The term geophysics sometimes refers only to the geological applications: Earth's shape; its gravitational and magnetic fields; its internal structure and composition; its dynamics and their surface expression in plate tectonics, the generation of magmas, volcanism and rock formation. However, modern geophysics organizations use a broader definition that includes the water cycle including snow and ice; fluid dynamics of the oceans and the atmosphere; electricity and magnetism in the ionosphere and magnetosphere and solar-terrestrial relations; and analogous problems associated with the Moon and other planets.Although geophysics was only recognized as a separate discipline in the 19th century, its origins go back to ancient times. The first magnetic compasses were made from lodestones, while more modern magnetic compasses played an important role in the history of navigation. The first seismic instrument was built in 132 BC. Isaac Newton applied his theory of mechanics to the tides and the precession of the equinox; and instruments were developed to measure the Earth's shape, density and gravity field, as well as the components of the water cycle. In the 20th century, geophysical methods were developed for remote exploration of the solid Earth and the ocean, and geophysics played an essential role in the development of the theory of plate tectonics.Geophysics is applied to societal needs, such as mineral resources, mitigation of natural hazards and environmental protection. Geophysical survey data are used to analyze potential petroleum reservoirs and mineral deposits, locate groundwater, find archaeological relics, determine the thickness of glaciers and soils, and assess sites for environmental remediation.
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