1) What makes planet Earth different from the other planets in the solar system? a) It supports life b) It is mostly covered in water c) The atmosphere holds gases d) All of the above 2) Which system of the Earth is considered as the largest component of the Earth a) Atmosphere b) Biosphere c) Geosphere d) Hydrosphere 3) 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 4) What part of geosphere is a thin layer of solid rock that makes up the outermost part of the Earth a) Core b) Crust c) Mantle d) Biosphere 5) Which proerty refers to the resistance of mineral to scratching? a) Cleavage b) Fracture c) Hardness d) Luster 6) In its powdered form, the mineral hematite is reddish. Which mineral property is best described? a) Color b) Luster c) Streak d) Hardness 7) What constitutes the size, shape, and arrangement of mineral grains in a rock?   a) Permeable origin b) Porosity c) Cement d) Texture 8) Petrologist classifies rocks based on how they were formed. What is the branch that deals with the study of rock? a) Biology b) Geology c) Paleontology d) Petrology 9) What type of rocks are formed from sediments over long period of time? a) Igneous rocks b) Sedimentary rocks c) Metamorphic rocks d) Minerals 10) It is the process that does not alter the composition of material a) Abrasion b) Organic activity c) Chemical weathering d) Mechanical weathering 11) The rocks are fractured, cracked, and broken down into small pieces. What is the type of weathering? a) Oxidation b) Pressure change c) Physical weathering d) Chemical weathering 12) The removal and transport of weathered material from one place to another is called? a) Erosion b) Deposition c) Weathering d) Sublimation 13) Which of the following is described as the process of heat exchange between the Sun and the Earth that controls the temperature of the latter? a) Conduction b) Convection c) Insolation d) Radiation 14) Why radioactive decay plays a significant role in Earth's internal heat? a) Radioactive element can be found anywhere in the planet. b) When radioactive element decays, it produces heat c) Spontaneous nuclear disintegration of element produces thermal energy. d) All of the above 15) How does the mantle behave as a viscous fluid on a geological time scale? a) Radiation b) Pressure c) Temperature d) Altitude 16) Which refers to the shaking of the surface of the Earth resulting from a sudden release of energy caused by a convection current?  a) Earthquake b) Volcanic eruption c) Storm surge d) Hurricane 17) Which of the following stores magma and located in a region just beneath the crust all the way to the core? a) Crust b) Outer core c) Inner core d) Mantle 18) Which must be provided for an organism to survive in planet Earth? a) Right amount of sunlight and atmosphere b) Right amount of water and carbon c) Only A d) Both A and B 19) It was found out that Earth's surface is covered with water. Approximately, how many percent of water comprises the Earth? a) 45% of water b) 50% of water c) 60% of water d) 70% of water 20) Life is supported by oxygen and carbon dioxide. Which subsystem best describe the statement? a) Atmosphere b) Biosphere c) Geospher d) Hydrosphere 21) Relationship between the complex communities of individual organism is seen in the different systems of the Earth. What do you call the unit in nature?  a) Ecosystem b) Complexity c) Ground d) System 22) An example of a connection between atmosphere and hydrosphere is?  a) Lakes b) Rain c) Rivers d) Rocks 23) What is the property of mineral that reflects light on its surface?  a) Crystal structure b) Color c) Streak d) Luster 24) What is the solid form of mineral produced by a repeating pattern of atoms? a) Crystal b) Density c) Element d) Fracture 25) Which of the following is not a characteristic of a mineral? a) Naturally occurring b) Solid c) Organic d) Crystal structure 26) This refers to a type of rock that was heated and compressed over time. Which best fits the description? a) Igneous b) Metamorphic c) Sedimentary d) All are correct 27) What is the type of rock formed from lava that cools quickly that results to finer grain and smaller size of crystals? a) Extrusive igneous rock b) Instrusive igneous rock c) Sedimentary rock d) Metamorphic rock 28) Fossils are found on this type of rock. a) Extrusive igneous rock b) Intrusive igneous rock c) Metamorphic rock d) Sedimentary rock 29) Which of the following is the process by which sediments settle down in a particular area? a) Transport b) Deposition c) Weathering d) Deformation 30) What is the term that refers to the process wherein rocks breakdown into pieces? a) Erosion b) Deposition c) Weathering d) Mass wasting

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