Review EALS PDF

1. Which of the following do the scientists believed water D. Weathering, erosion, deposition, compaction, came from? cementation A. Water released from volcano 11. Which of the f...

1. Which of the following do the scientists believed water D. Weathering, erosion, deposition, compaction, came from? cementation A. Water released from volcano 11. Which of the following is an example of oxidation? B. Water from the icy meteors from the outer regions of A. rusting of iron the solar system which bombarded the Earth? B. halite dissolves in water C. Water came from bodies of water like oceans, lakes, etc. C. feldspar decomposes to form clay D. Both A and B D. stalactites and stalagmites formation 2. Earth can support the survival of organisms. What is/are 12. What term refers to the process wherein rocks break the factor/s that make/s Earth habitable? down into pieces? I. atmosphere III. temperature A. deposition B. erosion II. water IV. nutrient C. mass wasting D. weathering A. I B. I, II C. I, II, III D. I, II, III, IV 13. Which of the following cannot be considered as a role of 3. What is the reason why every living thing on Earth has gravity in erosion? the chance of survival? A. It moves glaciers down slope. A. Earth is covered with 65% water. B. It loosens the land materials. B. Earth thick atmosphere consisted mainly of carbon C. In mountains, it moves down large slabs of rocks. dioxide. D. It acts as agents of mass wasting like landslides, fall, C. Earth has active volcanoes similar with those that are mudflows, and avalanches. found in Venus. 14. What process by which heat is directly transmitted D. Earth has ozone layer to protect living organisms from through a substance when there is a difference of harmful radiation. temperature or between adjoining regions, without 4. Which system of the Earth is considered as the largest movement of the material? component of the Earth? A. conduction B. convection A. atmosphere B. biosphere C. insulation D. radiation C. geosphere D. hydrosphere 15. What is produced by the radioactive decay of isotopes 5. Among the choices, which clearly gives an example of in the mantle and crust? connection between hydrosphere and geosphere? A. heat from the sun B. primordial heat A. animals drink water. C. radiogenic heat D. superheating B. fish swimming in water 16. What is the main source of heat in Earth's interior? C. water evaporating to make clouds A. Solar radiation D. waves eroding rocks on beach B. Heat from the sun 6. During the 1800’s, miners can identify real gold from C. Chemical reactions in the crust pyrite through biting the surface of the mineral. If a bite D. Primordial heat and radioactive decay mark is exhibited, then the said mineral is considered real 17. Conduction in mantle happens when heat is transferred gold. What property is tested in this scenario? from hotter molten rocks to the Earth’s cold crust. What A. cleavage B. luster process is being described? C. hardness D. streak color A. decompression melting B. flux melting 7. Between Mineral Water and Snow, which is most likely be C. heat transfer D. partial melting considered a mineral? 18. When water or carbon dioxide is added to hot rocks, the A. Mineral water, because it is naturally occurring and has a melting points of minerals within the rocks decrease. What specific chemical composition. process is being described? B. Both Mineral Water and Snow are minerals due to their A. decompression melting B. flux melting crystalline structure. C. heat transfer D. partial melting C. Snow, because it is naturally occurring and inorganic. 19. Mantle rocks remain solid when exposed to high D. Neither Mineral Water nor Snow can be considered pressure. However, during convection, these rocks tend to minerals. go upward (shallower level), and the pressure is reduced. 8. Igneous rock is divided into two groups, extrusive and What process is being described? intrusive. Extrusive igneous rocks form when magma makes A. decompression melting B. flux melting its way to its surface as lava and the cools forming rocks. C. heat transfer D. partial melting Which of the following will be the characteristics of the 20. What happens to the grain size of the minerals in rocks crystals? when the heat is increased? A. Crystals are coarse-grained. B. Crystals are fine-grained. A. It increases C. Crystals are very large. D. Crystals are phaneritic B. It decreases 9. A student obtain a cup of quartz sand from a beach. A C. It remains constant saltwater solution is poured into the sand and allowed to D. It degrades intermittently evaporate. The mineral residue from salt water solution 21. Metamorphic rocks change in texture and composition. cements the sand grains together, forming a material that is What is the main factor that causes a sedimentary rock like most likely an: shale to transform into a metamorphic rock like slate? A. Extrusive igneous B. intrusive igneous A. Rapid cooling after being exposed to lava. C. sedimentary rock D. metamorphic rock B. Exposure to water over a long period of time. 10. Which of the following represents the correct order of C. The accumulation of new sediment layers on top of the the processes responsible for the formation of sedimentary rock rocks? D. Intense heat and pressure from deep within the Earth's A. Erosion, weathering, compaction, cementation, crust. deposition 22. Samer is walking down the river when she sees an B. Compaction, cementation, deposition, weathering, unknown metamorphic rock. Which of the following erosion characteristic can BEST help her to immediately identify the C. Deposition, cementation, compaction, erosion, type of metamorphism that the rock underwent using a weathering magnifying glass? A. foliation B. grain size C. kind of mineral present D. all of the above C. used to arrange geological events and the rocks they 23. Which type of igneous rocks based on composition has leave behind in sequence the highest amount of silica content? D. used stratigraphy method (oldest found at the bottom A. felsic B. intermediate and youngest at the top) C. mafic D. ultramafic 34. Which of the following processes will give an absolute 24. What is the size of the crystals if the rock cools slowly age of a rock? and forms below the Earth’s surface? A. examining the rock’s relative position in a rock outcrop A. large B. no crystal B. examining the environment in which the rock is found. C. small D. none of the above C. comparing the size of crystals in the upper and lower 25. How are igneous rocks classified based on their origin? parts of the rock A. from magma or lava B. coarse or fine grains D. comparing the amount of decayed and undecayed C. large or small crystals D. plutonic and volcanic radioactive isotopes 26. When two tectonic plates collide, the continental crust 35. What information does the geologic time record usually rises over the oceanic crust. What is the reason provide? behind this? A. The rate of fossil formation. A. Denser than continental crust B. The thickness of sedimentary rock layers. B. Thicker than continental crust C. The time since the evolution of dinosaurs. C. Thinner than continental crust D. The life forms and geologic events in Earth’s history. D. Less dense than oceanic crust 36. What is the relevance of absolute time? 27. Which of the following completes the analogy? A. It is useful if fossils are present. Faults: A fracture or discontinuity in volume of B. It gives a non-specific date in an object. rocks C. It only gives the sequence in which events have taken Folds: ___________________________________. place. A. It forms from subducting plates D. It gives a specific date in an object. B. It occurs when a flat surface bent 37. What do you call the time wherein there was a sudden C. Occur when plates moving alongside and toward to each diversification in life, with many new types of organisms other. appearing over a relatively short interval? D. Occur when plates moving alongside and away from each A. Cambrian Explosion B. Hadean Explosion other. C. Pre-Cambrian Explosion D. Permian Explosion 28. Which of the following is associated with the discovery 38. Why do most of the eons and eras end in “zoic”? of seafloor spreading? A. because these time periods were recognized by the A. Mountains and Volcanoes are denser than mantle animal life present at that time B. Rotational pole of the earth has migrated or moved. B. because these time periods were recognized by the C. The crust of the continents is denser than the crust of plants present at that time the ocean C. A and B D. The crust of the oceans is very young relative to the age D. none of the above of the crust of the continents 39. In what period the first mammals and dinosaurs 29. Why is there a need for correlation of rock layers? existed? A. It gives the relative age of the rocks. A. Cretaceous B. Jurassic B. Fossils embedded in the rock layers serve as a proof of C. Permian D. Triassic their correlation. 40. Which of the following hazards undermine the C. It provides information that the rock layers are connected foundations and supports of buildings, bridges, pipelines, to each other long ago. and roads, causing them to sink into the ground, collapse, D. All of the above or dissolve? 30. When sedimentary rocks deposited in flat layers are left A. surface faulting B. ground shaking undisturbed it follows the statement in which of the given C. liquefaction D. none of the above principles? 41. Which of the following may result in falling rocks and A. Cross-cutting Relationship B. Fauna Succession debris that collide with people, buildings, and vehicles? C. Original Horizontality D. Superposition A. earthquake B. landslide 31. If an igneous rock A crosscuts sedimentary rock B, what C. lahar D. tephra fall will be the relative age/position of igneous rock A? 42. Which of the following provinces has the highest risk of A. Igneous rock A will be on top of rock B. volcanic eruptions based on the DENR and Manila B. Igneous rock A is older than sedimentary rock B. observatory report? C. Igneous rock A is younger than sedimentary rock B. A. Bataan B. Camiguin D. Igneous rock A is the same age with sedimentary rock B C. Laguna D. Sorsogon 32. What is the difference between an absolute date and a 43. Why do you think that the majority of the Cordillera relative date? Administrative Region are included in the most landslide A. An absolute date refers to a year or a range of years prone provinces in the Philippines? Because it is _______. while a relative date indicates a chronological order. A. situated near active volcanoes B. A relative date is derived from radiometric dating B. near in mountain ranges techniques while an absolute date comes from guesswork. C. Both A and B C. A relative date refers to a year or a range of years while D. Neither A or B. an absolute date indicates a chronological order. 44. What makes railway and building construction a D. An absolute date involves testing of sedimentary rocks possible cause of a landslide? while relative date involves testing of igneous rocks. A. slope excavation 33. Which of the following is NOT true about Relative B. use of heavy equipment Dating? C. lack of personal safety gears A. quantitative method of dating D. poor sanitation among workers B. principles to recognize the relative ages of rocks 45. Which among the following factors contributed MOST to a landslide during land pollution? A. blasting of rocks B. improper use of soil C. use of heavy equipment D. use of a variety of manpower 46. Earth includes beach grasses, forms of life in the sea, on land, and even in the air. Which term best describes the statement? A. atmosphere B. biosphere C. geosphere D. hydrosphere 47. Pyrite is a yellowish mineral that looks like gold and is commonly called fool’s gold. What is the property of mineral exhibited by pyrite wherein it reflects light and with metallic look? A. Color B. Hardness C. Luster D. Streak 48. Which epoch in the geologic time scale designates human lives in a very short period of time? A. Eocene B. Holocene C. Pliocene D. Pleistocene 49. Where can you find the Ring of Fire? A. Arctic Ocean B. Atlantic Ocean C. Indian Ocean D. Pacific Ocean 50. How can a community avoid the occurrence of a landslide in the future? A. patronize mining and quarrying B. excessive degradation of land surface C. plant more trees in the slope D. construct more buildings along slopes