2ndPeriodicalExamination Science

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  2. 8 Grade
  3. Ivy Grace Timogtimog
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2nd Periodical Examination SCIENCE 8 Direction: Choose the letter of the correct answer. 1. It causes rocks to slide past each other in opposite direction. a. Shearing c. Tension b. Compression d. Fault 2. It pulls rocks in opposite direction just like pulling on both ends of a rubber causing it to elongate, become thinner in the middle or breaking into two. a. Shearing c. Tension b. Compression d. Fault 3. It pushes the rocks inwards making it thicker in the middle, the opposite of tension. a. Shearing c. Tension b. Compression d. Fault 4. In a strike slip fault, the rock slabs slide past each other and move in opposite directions. a. normal fault c. Reverse Fault b. strike slip fault d. Fault 5. A break in rock slabs. Those are also found on the earth's surface or deep within. a. normal fault c. Reverse Fault b. strike slip fault d. Fault 6. This fault is formed by tensional forces. As tension acts on rocks, the rocks break at an angle and one part may be higher than the other. a. normal fault c. Reverse Fault b. strike slip fault d. Fault 7. The faults that are formed by compression. The rock slabs are pushed towards each other. a. normal fault c. Reverse Fault b. strike slip fault d. Fault 8. That were raised by normal faults may turn out to become mountains and hills while those that were lowered are flat plains and valleys. a. Rock slabs c. Boundary b. Fault d. Folding 9. The crumpling of rocks without breaking, causing it to shorten or thicken. a. Rock slabs c. Boundary b. Fault d. Folding

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10. In a __________, the plates slide past each other and move in opposite directions. a. Convergent boundary c. Divergent Boundary b. Shearing Boundary d. Transform Boundary 11. Those boundaries are shown by the collision of two continental plates or a continental plate and oceanic plate. a. Convergent boundary c. Divergent Boundary b. Shearing Boundary d. Transform Boundary 12. When plates move apart or away from each other, a divergent _________ is formed. a. Convergent boundary c. Divergent Boundary b. Shearing Boundary d. Transform Boundary 13. The branch of geology that studies earthquakes is called __________. a. Biology c. Penology b. Seismology d. none of the above 14. The origin of an earthquake is called the ________. a. Center c. focus b. Epicenter d. middle 15. The first to arrive at the earth's surface. It can travel through solid, liquid and gas. a. P waves c. S waves b. Surface waves d. waves 16. Those were observed to move particles of rocks from side to Side or up and down. It can only travel through solids. a. P waves c. S waves b. Surface waves d. waves 17. The slowest but they cause a lot of destruction since they make the ground roll and move from side to side. a. P waves c. S waves b. Surface waves d. waves 18. An instrument used to detect and measure earthquakes. a. Line graph c. seismogram b. Seismograph d. Diagram 19. A record of the earthquake waves. a. Line graph c. seismogram b. Seismograph d. Diagram 20. The energy released by an earthquake. a. Intensity c. Magnitude b. Weakness d. Tremors

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21. A mathematical formula, which rates the size of seismic waves based on the energy released. a. Ritcher Scale c. Luna Scale b. Mercalli Scale d. Mersali Scale 22. It is made up of 12 steps that describe the intensity of an earthquake. a. Ritcher Scale c. Luna Scale b. Mercalli Scale d. Mersali Scale 23. This Philippine fault system is also called the _____________. a. Philippine Fault Zone c. Philippine Belt b. Philippine zone d. Philippine Mobile Belt 24. Earthquakes that occur on the ocean floor. a. Ocean Tremors c. Sea Earthquake b. Tsunami d. none of the above 25. PHIVOLCS means…. a. Philippine Institute of Volcanic and Seismology b. Philippine Institution of Volcanology and Sesmology c. Philippine Institute of Volcanology and Seismology d. Philippine Institution of Volcanic and Seismology 26. a. tensional c. shearing b. normal d. compressional 27. a. tensional c. shearing b. normal d. compressional 28. a. tensional c. shearing b. normal d. compressional