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Geology and Layers of the Earth notes
Geology and Layers of the Earth notes

... D. Outer core is liquid because secondary seismic waves do not go through liquid E. Primary waves slow down at liquid outer core, speed up at solid inner core ...
Class Notes: Introduction to Earthquakes, Volcanoes, and Tectonic
Class Notes: Introduction to Earthquakes, Volcanoes, and Tectonic

... surface? If not, describe where there appear to be the most… B. Look at the “Earth’s fractured surface” map and read the introduction (back of the classroom on the bulletin board. Why do earthquakes and volcanoes occur where they do? C. If time allows, work on coloring in the “slice of earth” handou ...
Cycles in the Lithosphere pages 54-60
Cycles in the Lithosphere pages 54-60

... 1. The belief that the earth’s features were only 5-6 thousand years old, and were formed by violent, catastrophic events such as earth quakes and volcanoes is called ______________________________. This belief was popular up until the late___________________________________. The theory that the ear ...
Unit 3:Tectonic Processes
Unit 3:Tectonic Processes

... - partially molten (i.e. approx. 10%) - lithosphere "floats" on top of the asthenosphere - zones that have become molten, or partially molten, can develop convection currents - convection currents in the asthenosphere are responsible for plate movement ...
Bill Nye The Science Guy
Bill Nye The Science Guy

... 1. Bill Nye The Science Guy, “Earth’s Crust” is brought to you by ______________________. 2. You and I live on the Earth’s ( crust, mantle, core ) a thin layer of solid rock that’s all around the Earth. 3. The core is solid ( dirt, ice, iron ). 4. Earth’s core is around ( 500, 1500, 5000 ) degrees C ...
Bill_Nye_Earth crust Main
Bill_Nye_Earth crust Main

Powerpoint
Powerpoint

... Composed of: mostly iron ...
Earth`s Layers Sort
Earth`s Layers Sort

science 6 topic 4 - Stillwater Christian School
science 6 topic 4 - Stillwater Christian School

... The Himalaya Mountains are where it is believed that two plates came together and both pushed up – called convergent zones ...
Figure 1-2.
Figure 1-2.

... Winter (2001) An Introduction to Igneous and Metamorphic Petrology. Prentice Hall. ...
Composition and Internal Structure of Earth
Composition and Internal Structure of Earth

... Sinking of FeFe-Ni fraction to the center of the Earth (and other Planets) release gravitational potential energy „ During the Early Stage of Solar System Formation „ Primordial Process ...
File
File

... 18. The earth's crust is made of about how many sections of solid rock, each of which is called a plate 19. Why does the earth's picture change 20. The plates that cover the earth are between how may kilometers thick? 21. In a convection current, ___________ material rises, while ____________ materi ...
Geology Unit Study Guide - Mr. Ruggiero`s Science 8-2
Geology Unit Study Guide - Mr. Ruggiero`s Science 8-2

...  Tension Stresses – Normal faults – Fault-Block Mountains ...
File
File

... e: inner core – very center of Earth; innermost layer; very dense 18. Of the parts listed in #17, which are the three main parts of the geosphere? crust, mantle, core 19. Of the parts listed in #17, which two make up the lithosphere? crust & upper mantle 20. What are the two sources of energy for th ...
Chemistry Unit Test Study Guide
Chemistry Unit Test Study Guide

... 3. What is the difference between the Earth’s crust and mantle? What are the similarities?  The earth’s crust and mantle have different densities. 4. List the Earth’s layers from the center to the surface.  Inner core, outer core, mantle, crust 5. What is the difference between the inner core and ...
Dynamic Planet Unit Test Study Guide (Answers)
Dynamic Planet Unit Test Study Guide (Answers)

... 3. What is the difference between the Earth’s crust and mantle? What are the similarities? • The earth’s crust and mantle have different densities. 4. List the Earth’s layers from the center to the surface. • Inner core, outer core, mantle, crust 5. What is the difference between the inner core and ...
Study Guide / Notes 11
Study Guide / Notes 11

... 10. There are no abrupt breaks in the seismic velocities through the lower mantle. This suggests that the lower mantle is homogeneous. 11. Shear waves (S-waves) cannot travel through a liquid. S-waves passing through the earth that intercept the outer core are blocked. This indicates that the outer ...
Earth Changes Jeopardy
Earth Changes Jeopardy

... The gradual breaking down of rock into smaller pieces by water and wind is called ...
Chapter 5 Plate Tectonics-Section 1 Earth`s Interior Exploring Inside
Chapter 5 Plate Tectonics-Section 1 Earth`s Interior Exploring Inside

... inside Earth where these rocks formed. In addition, forces inside Earth sometimes blast rock to the surface from depths of more than 100 kilometers. These rocks provide more information about the interior. Evidence From Seismic Waves- To study Earth’s interior, geologists use seismic waves. When ear ...
Earth`s Interior
Earth`s Interior

... – Dark, dense rock with a fine texture ...
Changing Earth/Earth System
Changing Earth/Earth System

... a.8.11 Use models to analyze the size and shape of Earth, its surface and its interior (e.g., globes, topographic maps, satellite images). a.8.12 Explain that some processes involved in the rock cycle are directly related to the thermal energy and forces in the mantle that drive plate motions. a.8.1 ...
Lesson 3.3 - Earth`s Spheres
Lesson 3.3 - Earth`s Spheres

... The geosphere is made up of all the rocks and minerals on or below Earth’s surface. The outer part of the geosphere is called the crust, which forms the land we live on as well as the ocean bottom. The hot rock beneath this layer is known as the mantle and includes the uppermost lithosphere as well ...
Astronomy Today
Astronomy Today

... 14. How was the Earth able to separate into distinct layers? a. = differentiation; heavier material sinks, lighter stuff floats b. How melted? i. Collisions during formation ii. Grinding into a ball iii. Trapped radioactive isotopes 7.4 Earth's Magnetosphere 15. What is the origin of Earth's magneti ...
Chapter 15 Outline
Chapter 15 Outline

... 3. Oceanic crust is ______________ than Continental crust D. Mapping the Earth’s ________________1. ____________waves travel at different ____________depending on the _________________and ______________ of material they pass through 2. Scientists can use this information to calculate what the Earth ...
Name: ESS 9 Homework #4
Name: ESS 9 Homework #4

... plate tectonics is magnetic stripes on the seafloor. How do these stripes to form? (7 points) New seafloor is continuously created at mid-ocean ridges where spreading occurs. As the seafloor cools, it records the magnetic field at the time. The polarity of the magnetic field reverses periodically, c ...
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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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