Seismic Waves
... Scientist study earthquakes to know more about the earth. To study earthquakes scientist use seismographs. Seismographs measures the the movement and vibration of earthquakes. It also tells what kind of seismic wave it is. Seismic waves are vibrations caused by rocks moving or breaking along faults ...
... Scientist study earthquakes to know more about the earth. To study earthquakes scientist use seismographs. Seismographs measures the the movement and vibration of earthquakes. It also tells what kind of seismic wave it is. Seismic waves are vibrations caused by rocks moving or breaking along faults ...
Integrated Science Chapter 19 Name
... Circle the letter that corresponds to the correct answer 10. Earthquakes occur mostly a. in the middle of continents b. in the asthenosphere c. at plate boundaries d. at the edge of the continents 11. Which of the following is not a characteristic of S waves? a. travel slower than P waves b. cannot ...
... Circle the letter that corresponds to the correct answer 10. Earthquakes occur mostly a. in the middle of continents b. in the asthenosphere c. at plate boundaries d. at the edge of the continents 11. Which of the following is not a characteristic of S waves? a. travel slower than P waves b. cannot ...
EARTHQUAKES
... • Carry waves of energy from an earthquake away from the focus through Earth’s interior and across the surface Different types of seismic waves travel through the Earth’s layers at different speeds. ...
... • Carry waves of energy from an earthquake away from the focus through Earth’s interior and across the surface Different types of seismic waves travel through the Earth’s layers at different speeds. ...
File
... and always arrive after P waves. Side to side. (body) • Surface Waves – Cause motion mostly in the upper few KM of earth’s crust. Travel more slowly and are more destructive than body waves. Can move up and down or side to side. ...
... and always arrive after P waves. Side to side. (body) • Surface Waves – Cause motion mostly in the upper few KM of earth’s crust. Travel more slowly and are more destructive than body waves. Can move up and down or side to side. ...
Waves Fact Sheet Anything that causes water to move can produce
... carries sand backward as it rushes back out to sea. Therefore, some waves transport sediment on to the beaches. The wash brings sand up onto the beach but the gentle backwash is not able to carry as much sediment back to the ocean. These waves result in deposition or building of the beaches. All wav ...
... carries sand backward as it rushes back out to sea. Therefore, some waves transport sediment on to the beaches. The wash brings sand up onto the beach but the gentle backwash is not able to carry as much sediment back to the ocean. These waves result in deposition or building of the beaches. All wav ...
The Earth’s structure - Bishopston Comprehensive School
... • Earthquakes are caused when tension is released from inside the crust. • This happens because plates do not move smoothly - sometimes they get stuck. • When this happens a great deal of pressure builds up. • When this pressure is eventually released, an earthquake tends to occur. ...
... • Earthquakes are caused when tension is released from inside the crust. • This happens because plates do not move smoothly - sometimes they get stuck. • When this happens a great deal of pressure builds up. • When this pressure is eventually released, an earthquake tends to occur. ...
psci183_oceansI - Cal State LA
... – Sunlight at polar latitudes covers wider area; therefore, less heat – At equator, sunlight covers less area; more heat ...
... – Sunlight at polar latitudes covers wider area; therefore, less heat – At equator, sunlight covers less area; more heat ...
Unit 4 - Dynamic Crust Earthquakes & Volcanoes
... A stream of heated material moving due to differences in density. Evidence suggests convection cells exist within the asthenosphere. (See ESRT page 10 for arrows ...
... A stream of heated material moving due to differences in density. Evidence suggests convection cells exist within the asthenosphere. (See ESRT page 10 for arrows ...
Seafloor spreading - Gwen
... • Seafloor spreading: divergent boundaries • Earth’s magnetic field ...
... • Seafloor spreading: divergent boundaries • Earth’s magnetic field ...
abstract
... remarkable. In order to investigate the electromagnetic phenomena associated crustal activity, the precise ULF electromagnetic measurement network has been established. At each station, three magnetic components and two horizontal electric components are observed. There are two arrays with interstat ...
... remarkable. In order to investigate the electromagnetic phenomena associated crustal activity, the precise ULF electromagnetic measurement network has been established. At each station, three magnetic components and two horizontal electric components are observed. There are two arrays with interstat ...
ch. 6 part II - OCPS TeacherPress
... Focus- the site where the earthquake originates below the surface Epicenter- located on the earth’s surface, directly above the focus Richter scale and the moment magnitude scales are used to measure the magnitude; size 8 is 10x greater than ...
... Focus- the site where the earthquake originates below the surface Epicenter- located on the earth’s surface, directly above the focus Richter scale and the moment magnitude scales are used to measure the magnitude; size 8 is 10x greater than ...
PowerPoint Presentation - Introduction to Earthquakes EASA
... What is happening to the S waves shown below and what does this tell us about the outer layer of the Earth’s core? ___________________________________________________________________________ ___________________________________________________________________________ _________________________________ ...
... What is happening to the S waves shown below and what does this tell us about the outer layer of the Earth’s core? ___________________________________________________________________________ ___________________________________________________________________________ _________________________________ ...
the proof-----seafloor spreading
... new ocean crust is being created at midocean ridges (which are large mountain chains underwater) and destroyed at deepsea trenches. •This is proof that the plates are moving along on a “conveyor belt” so Wegner’s idea on continent drift was correct. ...
... new ocean crust is being created at midocean ridges (which are large mountain chains underwater) and destroyed at deepsea trenches. •This is proof that the plates are moving along on a “conveyor belt” so Wegner’s idea on continent drift was correct. ...
Objectives 6 E Review- TEST FRIDAY, JANUARY 4th Part A: Read
... c. By recording the Richter scale and measuring the distance between seismic waves d. By recording the seismograph and watching the Richter Scale to see how long the ...
... c. By recording the Richter scale and measuring the distance between seismic waves d. By recording the seismograph and watching the Richter Scale to see how long the ...
c. Section 4.3 Seismology (powerpoint)
... Determining the Distance to the Epicentre • P waves are faster than S waves; therefore, P waves arrive at a seismograph station before the S waves. • The time interval between the arrival of P and S waves at a seismograph is used to determine the distance to epicenter. • Time-distance graph is used ...
... Determining the Distance to the Epicentre • P waves are faster than S waves; therefore, P waves arrive at a seismograph station before the S waves. • The time interval between the arrival of P and S waves at a seismograph is used to determine the distance to epicenter. • Time-distance graph is used ...
Earthquakes
... If the fault is locked, stress increases. When stress reaches passed a certain point, the rocks fracture, separate at weakest point, and spring back or rebound, to original shape. As they fracture and slip the rocks along the fault release energy in the form of an earthquake. ...
... If the fault is locked, stress increases. When stress reaches passed a certain point, the rocks fracture, separate at weakest point, and spring back or rebound, to original shape. As they fracture and slip the rocks along the fault release energy in the form of an earthquake. ...
ppt: EarthInteriorJeopardy20Q
... A. It does not produce wavelengths in the visible spectrum. B. Because the visible light produced is traveling too fast. C. Because only heat energy is ...
... A. It does not produce wavelengths in the visible spectrum. B. Because the visible light produced is traveling too fast. C. Because only heat energy is ...
Lab 3 - Geologic Structures, Maps, and Block Diagrams
... – Syncline – youngest rocks in the middle old ...
... – Syncline – youngest rocks in the middle old ...
Earth`s vertical electric field
... Earth’s vertical electric field Although we don’t realise it, we are walking around in a strong electric field. And it turns out that high on the Antarctic plateau is a great place to study it. Why are the earth and its atmosphere like a pair of charged parallel plates? In a region of the atmosphere k ...
... Earth’s vertical electric field Although we don’t realise it, we are walking around in a strong electric field. And it turns out that high on the Antarctic plateau is a great place to study it. Why are the earth and its atmosphere like a pair of charged parallel plates? In a region of the atmosphere k ...
Magnetic Fields
... • geocentric dipole 2) Dynamic properties: Secular variation: • dipole field axis wobbles around the rotational axis (but averages out to be aligned with it) • field intensity varies Reversals: • dipole field can reverse or “flip” (2 stable orientations) Geomagnetic Field Source - “Dynamo” • fluid i ...
... • geocentric dipole 2) Dynamic properties: Secular variation: • dipole field axis wobbles around the rotational axis (but averages out to be aligned with it) • field intensity varies Reversals: • dipole field can reverse or “flip” (2 stable orientations) Geomagnetic Field Source - “Dynamo” • fluid i ...
