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Other Notes on Earth*s Changing Surface
Other Notes on Earth*s Changing Surface

... of time (slow changes). Examples of slow changes are mountain building, sea-floor spreading, and the formation of trenches ...
Earth`s Interior (+ Magnetism section from Plate Tectonics Chapter
Earth`s Interior (+ Magnetism section from Plate Tectonics Chapter

... 3. **What happens to P and S waves when travelling into the outer core? Describe P- and S-wave shadow zones. 4. How can we use P and S wave shadow zones to conclusively prove that Earth's outer core is molten? 5. **How is isostatic equilibrium of Earth’s crust similar to the floating equilibrium of ...
Earth`s Layers Quiz Study Guide
Earth`s Layers Quiz Study Guide

... What is the asthenosphere and lithosphere?  Where are they located?  (Add them in a  different color to the diagram in #1)  ...
OUTLINE (GEOS 418)
OUTLINE (GEOS 418)

... Concepts and techniques of geophysics including origin of the Earth, its structure, and large scale dynamic processes responsible for its surface features. Geophysical techniques including seismology, gravity, magnetometry and electrical methods discussed along with measurements of the earth's therm ...
Nacho-Tonics
Nacho-Tonics

... touching; light --- heat energy Conduction- transfer of heat energy through solids (metal pan for cooking) very even Convection- transfer of heat energy in a liquid very unequal (hot spots and cold areas develop that’s why you stir soups) ...
Earth`s interior volc eq1
Earth`s interior volc eq1

... • A layer of solid rock that includes both dry land and the ocean floor. – Very thin compared to the other layers, like the skin of an apple. – Thickest under high mountains, thinnest under the ocean floor. – 5-100 km thick – Oceanic crust is denser than continental. ...
11. Sea Floor Spreading
11. Sea Floor Spreading

Layers of the Earth Exit Slip Key
Layers of the Earth Exit Slip Key

... 1. Imagine you could drill a hole all the way to the center of the Earth. Assuming that you drill the same speed the entire way, which layer would take the longest to drill through? a. Crust b. Mantle c. Outer core d. Inner core ...
Lecture 3 Review Sheet
Lecture 3 Review Sheet

... Lecture 3: Earth from Core to Crust Terminology: Magnetic field, magnetic field lines, geodynamo, solenoid, solar wind, magnetosphere, inner core, outer core, mantle, crust, asthenosphere, asthenospheric mantle, lithosphere, lithospheric mantle, continental crust, oceanic crust, the Moho, seismic an ...
Name Number Date Natural Phenomena: Volcanoes and
Name Number Date Natural Phenomena: Volcanoes and

... ...
Study Guide Chapter 3 – Plate Tectonics GPS: S6E5. Students will
Study Guide Chapter 3 – Plate Tectonics GPS: S6E5. Students will

... f. Explain the effects of physical processes (plate tectonics, erosion, deposition, volcanic eruption, gravity) on geological features including oceans (composition, currents, and tides). g. Describe how fossils show evidence of the changing surface and climate of the Earth. 1. Geologists use two ma ...
Quiz Study Guide Interior of Earth
Quiz Study Guide Interior of Earth

... List in order the layers of the Earth based on properties (behavior), and describe their properties. (Example: the inner core is solid and the outer core is liquid.) ...
Plate Tectonics Crossword
Plate Tectonics Crossword

... 5. the assembly of most or all of the Earth's continental blocks to form a single large landmass ...
Earth`s Interior
Earth`s Interior

... ...
Directions: Connect the words in each sentence
Directions: Connect the words in each sentence

... Directions: Connect the words in each sentence. Always go down. ...
< 1 ... 560 561 562 563 564

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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