1. What is the location where the rupture of an earthquake begins and energy is released called?*1 pointfaultfocusepicentertectonic plates2.  What is a sudden and violent shaking of the ground that sometimes causes great destruction due to movements within the earth's crust or volcanic action?*1 pointeruptionlandslideearthquaketectonic plates3. The point on the earth's surface vertically above the focus of an earthquake.*1 pointfaultfocusepicenterplates3.  Scientists use different ways to find out if a fault is active. Which one is NOT included?*1 pointScientist created a fault model.Scientist observed the surroundings.Scientist checked the country’s historical record.Scientist studied the past and present vibrations.5.  Which scale measures the magnitude, or size, of an earthquake?*1 pointFujita ScaleSeismoscaleMercalli ScaleRichter Scale6. Scale that is based on observable earthquake damage.*1 pointFujita ScaleSeismoscaleMercalli ScaleRichter Scale7. Why can't we feel all of Earth's earthquakes?*1 pointIt happen so fast.It is very gentle.It is not happeninng.It happen deep inside the Earth.8.   What should expect to happen immediately after an Earthquake?*1 pointaftershockseruptiontyphoontsunami9.  How do scientists find out the intensity and duration of Earthquakes?*1 pointSeismic wavesSeismographSeismogramSeismos10. What is a wave generated by earthquake vibrations called?*1 pointSeismic wavesSeismographSeismogramSurface wave11. Earthquakes are common occurrence in Japan, Indonesia, and Philippines. Why is this so?*1 pointJapan, Indonesia and Philippines are surrounded by seas.Japan, Indonesia and Philippines are located near the equator.Japan, Indonesia and Philippines are considered archipelagic countries.Japan, Indonesia and Philippines are found within the Pacific Ring of fire.12. Based on measurement of the maximum motion recorded by a seismograph.*1 pointtremorsintensitymagnitudeseismic waves13.  The strength of the shaking from an earthquake is called ___________.*1 pointtremorsintensitymagnitudeseismic waves14. Seismic scale used and developed by the Philippine Institute of Volcanology and Seismology to measure the intensity of an earthquake. It was developed as upon a specific response to the 1990 Luzon earthquake.*1 pointMercalli scaleRichter scaleSeismoscalePEIS15. Scientists who study earthquakes, their causes and effects?*1 pointearthquakologistvolcanologistseismologistsmeteorologist16. What is the study of earthquakes?*1 pointseismologyvolcanologyearthquakologyplate tectonicology

.A ___________earthquake is one that occurs when the earth's crust breaks due to geological forces on rocks and adjoining plates that cause physical and chemical changes.*1 pointtectonicvolcaniccollapseexplosion

.The shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves.*1 pointSeismologistRadarEarthquakeEarth's crust7.A rock under enough stress will fracture. If there is no movement on either side of a fracture, the fracture is called a ________.*1 pointbendjointbreakenergyOption 58.It is the force applied to a rock and may cause deformation.*1 pointdip-slipboundarystressfault9.What causes faults on Earth's surface?*1 pointIt is caused by stress created by two blocks of rocks.It occurs when two blocks of rock separate from one anotherA hanging wall moves in comparison to the footwall.The hanging wall moves above or below the footwall.Other:10.A block of crust that is located above the fault plane*1 pointfracturehanging wallfootwallslip11.The block of rock positioned above the plane*1 pointfault planecrustfoot wallhanging wall12. Volcanic eruptions, explosions, landslides, avalanches, and even rushing rivers can also cause ____________.*1 pointseismic wavestectonic platedivergent boundarycrack13.______________ is a type of stress that causes the rocks to push or squeeze against one another.*1 pointnormaltensionalcompressionalshear14.This type of stress occurs along divergent plate boundaries, where two tectonic plates are tearing away from one another.*1 pointtensionalshearingcompressionalconfining15.A type of stress occurs at boundaries where two plates are sliding sideways past one another, like cars traveling in opposing lanes on a highway.*1 pointcompressionaltensionaldip-slipshearing16.The part of the earth's surface directly above the focus of an earthquake.*1 pointmagnitudeepicenterhypocenterintensity17.The plane that represents the fracture surface of a fault.*1 pointfault tracefault planefaultfracture18.A place where the fault can be seen or mapped on the surface.*1 pointepicenterfocusfault linehorizontal plane19.A boundary that occurs when two tectonic plates move away from each other. *1 pointconvergenttransformplatedivergent20.A plate boundary wherein the two plates sliding  to past each other.*1 pointconvergentshearingtectonictransformOption 5

. What is the primary cause of earthquakes? (3)2. Describe the process of plate tectonics and its relationship to earthquakes. (6)3. What are the different types of plate boundaries where earthquakes occur? (6)4. How do faults contribute to the occurrence of earthquakes? (4)5. Explain the concept of elastic rebound theory in relation to earthquakes. (6)6. What role do stress and strain play in the buildup of seismic energy? (3)7. Discuss the difference between tectonic and volcanic earthquakes. (4)8. What is a fault, and how does it relate to the Earth's crust? (4)9. Explain the difference between normal, reverse, and strike-slip faults. (6)10. Explain the difference between the focus and epicenter of an earthquake in relation to fault movement. (4)

Which of the following best describes why an earthquake occurs*1 pointWhen one plate sinks under the other into the mantle it begins to meltWhen one plate catches against the other and pressure builds up and is suddenly released

Which boundaries do earthquakes occur at?*1 pointCollison and ConservativeConservative and DestructiveConservative, Destructive, Collision and Constructive