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Plate Tectonics, Topographic Maps, and Weather Study Guide KEY
Plate Tectonics, Topographic Maps, and Weather Study Guide KEY

... Earthquakes occur most often at transform plate boundaries. Heat from friction of plates sliding past each other causes parts of plates to crumble, forming faults. 8. How does weathering affect land formations, such as islands? Weathering, physical or chemical, causes land to be broken down in time ...
GEOLOGY FOR CIVIL ENGINEERS
GEOLOGY FOR CIVIL ENGINEERS

... (a) Mercury is a small planet close to the Sun. Consequently, most of the lighter elements have long since been boiled off into space, and today the surface is solid and rocky. (b) Jupiter, on the other hand, is composed mainly of gases and liquids, with a Prof.Dr.Kadir Dirik Lecture Notes small sol ...
Passive margin
Passive margin

... ocean ridges Magma from the mantle rises through the rift (a crack) forming the ridge The sea floor moves away from the ridge Continuous process, called sea-floor spreading New sea floor is created! This explains why rocks are older and sediment is thicker as you move away from the ridge This also e ...
The Dynamic Earth Name
The Dynamic Earth Name

... 2) How are people at the mercy of plate tectonics? 3) What volcano and where is it located is in the picture at the bottom of the page? 4) CLICK THE RIGHT ARROW>>>>>> 5) What is a plate? 6) What does tectonics mean? 7) In a couple of sentences summarize the theory of plate tectonics: 8) When Pangaea ...
Forces in Earth’s Crust
Forces in Earth’s Crust

... 3 kinds of stress: tension, compression, and shearing Tension, compression, and shearing work over millions of years to change the shape and volume of rock. Tension: 2 plates move apart, pull on the rock, and stretch the rock out Compression: pushes rock together to squeeze it until it folds or brea ...
6th grade PASS Review
6th grade PASS Review

... What is the difference between the focus and the epicenter of an Earthquake? A. The focus is the amount of energy released, and the epicenter is the location where the most damage occurs. B. The focus is the location where the most damage occurs, and the epicenter is the amount of energy released. ...
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Landforms

... which slowly wear away Earth’s landforms. • Erosion helps create soil. (Tiny fragments of rock mix with decay mix with decayed animal and plant material to form soil.) • Over time, erosion can create new landforms. ...
The Rock Cycle ws File
The Rock Cycle ws File

... remains of dead animals and plants often get trapped in sediments and can get turned into fossils by the same processes that turn sediments into rock. Not all sedimentary rocks are made from broken pieces of other rocks. For example, limestone can be formed from the build-up of dead marine organisms ...
Study Guide Answers
Study Guide Answers

... Oceanic crust is denser so when it converges with the continental plate causes subduction. The oceanic plate melts and convection currents recycle it back to point A 5. What is the main cause for earthquakes and volcanoes? Plate tectonics, plate movement, one plate moving past another either by conv ...
Plate Tectonic Model Rubric
Plate Tectonic Model Rubric

... o May include but not limited to; boundaries, layers of crust/mantle, convection currents, rift valley, volcanoes, islands, trenches o Material will show a clear relationship between plate movement and ocean topography ...
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Plate Tectonics I

... continents were noted by Francis Bacon (15611626), George Buffon (1707-1788), and Alexander von Humboldt (1769-1859)! This isn't new! ...
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Section 1: The Geosphere

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... The project attempted to drill as deep as possible into the Earth’s crust. Drilling began on 24 May 1970 and in 1989 the hole reached 12 Kilometers (40,230 ft about 7.6miles) and is the deepest hole ever drilled. Drilling ended in 1989 due to lack of funding, which was the same reason why scientists ...
Name: Date: ______ Block:______ EARTH SYSTEMS QUIZ 1
Name: Date: ______ Block:______ EARTH SYSTEMS QUIZ 1

... 2. What is the basic composition of the Earth’s core? a. The solid inner core is surrounded by liquid outer core b. The liquid outer core is surrounded by solid inner core c. Both inner and outer core are solid d. Both inner core and outer core are liquid 3. Which best explains from the periodic tab ...
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ch03_sec1 copy

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Name: TRUE/FALSE please answer the following statements by

... b) Scientists have drilled to the core of the earth, and have seen the liquid properties. c) Scientists have not hypothesized about whether the outer core is liquid or solid. d) P-waves do not travel through liquid, and they are able to get through the core. 4. ____In the early 1900’s, which of the ...
Science SOL Review
Science SOL Review

... Igneous  Melted and cooled (lava and magma) ...
Ch1-Earth_s Layers - Mater Academy Lakes High School
Ch1-Earth_s Layers - Mater Academy Lakes High School

... Earth’s Layers (cont.) • Scientists group the crust and the uppermost mantle into a rigid layer called the lithosphere. • The layer of rocks within the mantle, where the rock is soft enough to flow, is called the asthenosphere. • The solid rock below the asthenosphere, where high pressure prevents ...
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4. The States of Matter

... • Know the names of all the planets and their order from the sun • Know what the nearest star is called • Know that Earth is a planet with one moon ...
Lesson 2
Lesson 2

... Earth’s Layers (cont.) • Scientists group the crust and the uppermost mantle into a rigid layer called the lithosphere. • The layer of rocks within the mantle, where the rock is soft enough to flow, is called the asthenosphere. • The solid rock below the asthenosphere, where high pressure prevents ...
Prelim 1 Answer Key
Prelim 1 Answer Key

... a. the sun and moon pulling on the earth at 90˚ to b. the moon revolving around the earth once every each other twice a month (i.e., during first and 24 h and 50 minutes last quarter moons) c. the moon revolves around the earth at a d. earth rotating around the sun every 365.25 days declination of 2 ...
Study Guide Exam #2
Study Guide Exam #2

... Disclaimer: This is a summary of some of the highlight from lecture that may appear on Exam #2, but you should note that any subject that was covered in lecture may appear on the exam regardless of whether or not it appears on this study guide. Chapter 8: Earliest Earth What 4 factors are needed for ...
Constructive & Destructive Forces
Constructive & Destructive Forces

... Volcanoes can quickly change the Earth, too, by pouring out hot, liquid rock called lava. ...
Species and Areas: History of Ideas Earth History: Plate Tectonics
Species and Areas: History of Ideas Earth History: Plate Tectonics

... Harry Hess, Professor at Princeton, put the plate tectonic theory together using new evidence obtained starting during WWII. Between 1960 and 1970 the academic community finally accepted continental drift and the ...
Species and Areas: History of Ideas
Species and Areas: History of Ideas

... The first line of evidence involved the documentation that magnetic anomalies existed in the earth. Orientation of iron particles in solidifying lava rock appeared to reverse in an irregular basis back in time, indicating that the earth’s magnetic polarity had switched from one pole to the ...
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Age of the Earth



The age of the Earth is 4.54 ± 0.05 billion years (4.54 × 109 years ± 1%). This age is based on evidence from radiometric age dating of meteorite material and is consistent with the radiometric ages of the oldest-known terrestrial and lunar samples.Following the development of radiometric age dating in the early 20th century, measurements of lead in uranium-rich minerals showed that some were in excess of a billion years old.The oldest such minerals analyzed to date—small crystals of zircon from the Jack Hills of Western Australia—are at least 4.404 billion years old. Comparing the mass and luminosity of the Sun to those of other stars, it appears that the Solar System cannot be much older than those rocks. Calcium-aluminium-rich inclusions – the oldest known solid constituents within meteorites that are formed within the Solar System – are 4.567 billion years old, giving an age for the solar system and an upper limit for the age of Earth.It is hypothesised that the accretion of Earth began soon after the formation of the calcium-aluminium-rich inclusions and the meteorites. Because the exact amount of time this accretion process took is not yet known, and the predictions from different accretion models range from a few millions up to about 100 million years, the exact age of Earth is difficult to determine. It is also difficult to determine the exact age of the oldest rocks on Earth, exposed at the surface, as they are aggregates of minerals of possibly different ages.
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