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8.3 – What is Seafloor Spreading?
8.3 – What is Seafloor Spreading?

Translate the text from English into Russian.
Translate the text from English into Russian.

... Studies based on the reflection and refraction of the acoustic waves resulting from earthquakes show that the interior of the earth consists of four distinct regions. A combination of physical and chemical processes led to the differentiation of the earth into major parts: the core, the mantle, and ...
Earth`s Crust Overhead Notes 2013-1
Earth`s Crust Overhead Notes 2013-1

6. Igneous rocks 6.1. Classification of igneous rocks
6. Igneous rocks 6.1. Classification of igneous rocks

... The composition of the rock from which magma is initially derived (parent rock) is important in determining magma composition. The magma may also gain components by melting the surrounding rocks during its ascension toward Earth’s surface. Magma composition also depends on temperature because differ ...
Name: Date: Period: _____ Chapter 14 Study Guide Honors
Name: Date: Period: _____ Chapter 14 Study Guide Honors

... 5.Mid-ocean ridge forms where two oceanic plates collide. 6. What is chemical weathering and how is it caused? Chemical weathering is the process of changing the composition of the rocks and minerals by exposure to water and the atmosphere and it is caused by acids and oxygen. 7. How does a volcano ...
SCI Ch4 Study Guide KEY
SCI Ch4 Study Guide KEY

Earth`s Structure
Earth`s Structure

... The Earth’s crust and the upper mantle are broken into fragments called plates. Plates interact and cause geologic features and events. When movement occurs due to this activity, it occurs along joints in the plates called faults. ...
OUTDOOR SCIENCE SCHOOL VOC (#1 – Test)
OUTDOOR SCIENCE SCHOOL VOC (#1 – Test)

... In 100 million years = plates will begin to move together In 250 million years = a new Pangaea will be formed 14. (Pg 8) ACCUMULATION – a water cycle term referring to the “collection of water into larger bodies of water such as rivers, streams, lakes, oceans and ground water (a) forms the hydrosphe ...
Geology
Geology

... – Ex. Carbon, oxygen, hydrogen, helium, iron, calcium, sodium are atoms and elements – Difference is that an element can be visible, but an atom is not ...
Metamorphic Rocks
Metamorphic Rocks

... • Differential Stress – created by forces that are not equal in all directions ...
File - GEOLOGY ROCKS!
File - GEOLOGY ROCKS!

... Rocks deformed by the collision of two plates of the earth’s crust Mountains grow to great heights & are gradually destroyed by weathering & erosion Mountains are composed of folded, faulted, and melted rocks ...
Folding and Faulting
Folding and Faulting

... same forces that move the plates also place huge pressure on the rocks of the earth’s surface.  When rocks are crumpled up by these forces they are said to be folded.  Folds are easily seen in sedimentary rocks.  Rocks can be folded because at depth they are subjected to great heat and pressure w ...
anddestructiveforces_powerpoint
anddestructiveforces_powerpoint

... crack and break apart. Roots and plants also push into the rocks and break them apart. They act like wedges and push the rocks apart. Little animals also help by burrowing and digging through the ground. ...
Geologic Structures
Geologic Structures

... Faults (Any type of stress may cause brittle strain. The type of fault depends on the type of stress) ...
Whadda Ya Know `Bout Geology
Whadda Ya Know `Bout Geology

... crust were added to this piece of North America. There are rocks that used to be sea floor sediments ( check out the rocks along the Mount Washington Auto Road for example), trapped tropical, volcanic island chains (the Bronson Hills on the NH Eastern shore of the Connecticut River from the Mass bor ...
Usually rocks are formed by heat, pressure, or both. Which of these
Usually rocks are formed by heat, pressure, or both. Which of these

NAME - KCSE Online
NAME - KCSE Online

... - When an oceanic plate meets a continental plate, the dense oceanic plate sinks beneath the higher continental one. - The higher continental plate due to compression crumbles to form Fold Mountains. NB: Mention of a theory earns 1m. (max. 3mks) (c) (i) Any objects the students can set. - To find ou ...
Chapter 1 - Cloudfront.net
Chapter 1 - Cloudfront.net

... Convection in a molten substrate 1945 - “Principles of Physical Geology” ...
practice exam #1
practice exam #1

... 17. When other scientists objected to the continental drift hypothesis, what did Wegener propose in an attempt to resolve these objections? _______________________________________________________________________ _______________________________________________________________________ 18. The outermos ...
g - Santa Rosa Junior College
g - Santa Rosa Junior College

... The Nitrogen Cycle • The nitrogen cycle involves a direct interaction between land and sea. • Atmospheric N2 must be fixed to enter the land and sea. – Atmospheric fixation occurs when lightning provides the energy for the reaction between N2(g) and O2(g). – Industrial fixation results from the pro ...
tuffs macroscopically but differing from them in being more basic as
tuffs macroscopically but differing from them in being more basic as

... the ash composing the mass of the formation has been distributed, apparently, by both wind and running water. The Washakie rocks are also volcanic in origin, resembling the Bridger tuffs macroscopically but differing from them in being more basic as shown by the presence of soda-lime instead of pota ...
Plate Tectonic Internet Activity
Plate Tectonic Internet Activity

... Go to http://volcano.und.nodak.edu/vwdocs/vwlessons/plate_tectonics/part1.html (Notice that there is no www in the address). Answer the following questions. 1. What the three chemical layers of the earth? 2. What elements constitute the cores? 3. What is the difference between the inner and out core ...
Metamorphic Rocks
Metamorphic Rocks

... Increases with depth Pressure can be applied equally in all directions or differentially ...
Folding/Faulting: Topographic Expression of Folded Strata
Folding/Faulting: Topographic Expression of Folded Strata

...  Columnar jointing occurs when igneous rocks cool and develop shrinkage joints along pillar-like columns.  Sheeting joints occur when the layers of rock release pressure and ...
Final S2 ES Option one
Final S2 ES Option one

... 8. State the principle of uniformitariansim. Explain how the law of superposition can be used to determine the relative age of rocks. Compare three types of unconformities. Apply the law of crosscutting relationships to determine the relative age of rocks (show and explain examples.) Summarize the l ...
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Geochemistry

Geochemistry is the science that uses the tools and principles of chemistry to explain the mechanisms behind major geological systems such as the Earth's crust and its oceans. The realm of geochemistry extends beyond the Earth, encompassing the entire Solar System and has made important contributions to the understanding of a number of processes including mantle convection, the formation of planets and the origins of granite and basalt.
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