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Chapter 7, Lesson 1 Earth’s Changing Crust fault geologist magma lava weathering erosion deposition surveyor elevation seismograph tension compression shear
fault – a crack in the Earth’s crust
geologist – scientists who study Earth
magma – hot, molten rock beneath the earth’s surface
lava – magma that reaches the earth’s surface
weathering – the breaking down of the materials of the earth’s crust Click on this picture to explore different types of weathering.
erosion – is the picking up and carrying away of weathered pieces of earth
deposition – the dropping of bits of rock
surveyor – people who measure the earth
elevation – the height of land above sea level
seismograph – a device used to measure vibrations of the Earth’s crust
tension – stretches or pulls the Earth’s crust apart
compression – squeezes or pushed the Earth’s crust together
shear – twists, tears, or pushes one part of the crust past another
Chapter 11, Section 1 Forces Inside the Earth. Elastic Deformation The ability of an object to bend and stretch without breaking.
Earthquakes. Earthquakes are natural vibrations of the ground, caused by: Fractures in earths crust Volcanic eruptions.
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I. Minerals and Rocks A. Early Earth 1. Early surface was a violent place 2. Full of molten lava and no atmosphere; it took time for Earth to cool and.
CRUST The rocky outer layer of the Earth.. MANTLE Thick layer of hot but solid rock beneath Earths crust.
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Teacher Instructions: This game is designed to help you review the curriculum with your students before an exam. As a teacher you will need to take the.
What is a rock?. A rock is a naturally occurring solid mixture of one or more minerals or organic matter.
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CHANGES WITHIN THE EARTHS SURFACE CHANGES WITHIN THE EARTHS SURFACE.
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Rocks and the Rock Cycle. Lets Review!! Grains Grains Texture Texture Extrusive Extrusive Intrusive Intrusive Porphyritic Porphyritic Sediment Sediment.
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Plate Tectonics 6.E.2.2 Explain how crustal plates and ocean basins are formed, move and interact using earthquakes, heat flow and volcanoes to reflect.
Lesson 1 - Now 1.Once a rock forms as part of a mountain, it does not change. 2.Some rocks, when exposed on Earth’s surface, undergo weathering and erosion.
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Imagine the Earth as a hardboiled egg……………………. The thin brittle shell is the crust that humans live on. The thick jelly like white is the deep hot magma.
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