Earth and life pt.1
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Questions and Answers

why is Earth called "the living planet"?

  • it sustains life
  • it has atmosphere
  • it has water at the surface
  • all of the above (correct)

    • which among the set of planets are called terrestrial

  • Jupiter, Neptune, Uranus
  • mercury, Venus, mars, earth (correct)
  • earth, venus, mars, Jupiter
  • jupitern, saturn, uranus, neptune

    • what makes the planet earth habitable compared to the other planets?

  • it has soil
  • it has trees
  • it has people
  • it has liquid water (correct)

    • what makes planet earth habitable?

    <p>all of the above</p> Signup and view all the answers

    Why is earth called a terrestrial planet?

    <p>it is closest to the sun</p> Signup and view all the answers

    Which of the following best describes the surface of planet earth?

    <p>mostly water surface with some areas of land</p> Signup and view all the answers

    earth is said to be a unique planet. which answer verifies the statement?

    <p>all of the above</p> Signup and view all the answers

    which is supported and sustained by planet

    <p>life</p> Signup and view all the answers

    how many percent of water comprises the earth?

    <p>70%</p> Signup and view all the answers

    which factors are needed for organisms to live on earth?

    <p>both A and B</p> Signup and view all the answers

    what characteristics does the earth have to maintain an organism's body to survive

    <p>all of the above</p> Signup and view all the answers

    what makes earth similar to venus?

    <p>earth and venus are the right sizes to hold a sufficient atmosphere.</p> Signup and view all the answers

    which statement about earth's energy in sustaining life is incorrect?

    <p>earth survives in too little energy</p> Signup and view all the answers

    which distinct characteristics made Earth different from any other planet?

    <p>it is the only planet that has a large amount of liquid water</p> Signup and view all the answers

    what does earth offer to human in order to sustain life?

    <p>Both A and B</p> Signup and view all the answers

    what makes the planet earth different from the other planets in the solar systems

    <p>all of the above</p> Signup and view all the answers

    what makes planet earth a "house" for living organisms?

    <p>Both A and B</p> Signup and view all the answers

    which is not true about earth when compared to mars?

    <p>it has water and atmosphere</p> Signup and view all the answers

    For many, earth is different from other planets. why do you think so?

    <p>earth is mostly covered in water</p> Signup and view all the answers

    which statements best define planet earth?

    <p>it supports life</p> Signup and view all the answers

    it was found out that earth's surface is covered in water. approximately, how many percent of water comprises earth?

    <p>70% water</p> Signup and view all the answers

    in order for an organism to survive, nutrients are needed. what are the nutrients that planet earth can offer for organism to exist?

    <p>all of the above</p> Signup and view all the answers

    many studies have shown smililarities of earth and venus. what makes earth similar with venus

    <p>earth and venus are of the right size to hold a sufficient atmosphere</p> Signup and view all the answers

    what makes human and other living organisms capable to live on earth?

    <p>earth has the right amount of temperature, water, good atmosphere, and favorable climate</p> Signup and view all the answers

    planet earth is considered uniquely different from other planets in the solar system. which among the given choices correctly answers the statement?

    <p>earth is the only planet that is mostly covered with water</p> Signup and view all the answers

    what is the reason why every living thing on earth has the chance of survival?

    <p>earth has ozone layer to protect living organism from harmful radiation.</p> Signup and view all the answers

    which of the following is not one of the four subsystems of the earth?

    <p>water sphere</p> Signup and view all the answers

    all of the waters, including subsurface and atmospheric water comprise the earth. which geological subsystem best label the statement?

    <p>the hydrosphere</p> Signup and view all the answers

    earth contains all living organism including those on land, and in the water and air. which subsystem best describe this statement?

    <p>biosphere</p> Signup and view all the answers

    which subsystem suit this statement,"global ecological system interacting with each other"?

    <p>biosphere</p> Signup and view all the answers

    what subsystems will network with biosphere for photosysntesis to take place?

    <p>atmosphere</p> Signup and view all the answers

    oxygen, water vapor, nitrogen, and other gases help organism to survive. which earth sphere contain these materials?

    <p>atmosphere</p> Signup and view all the answers

    which term used to describe the thin layer of solid rock that makes up the outermost part of the earth?

    <p>crust</p> Signup and view all the answers

    among the subsystems, which is composed of mixture of gases that sorrounds the earth?

    <p>atmosphere</p> Signup and view all the answers

    the atmosphere of the earth is composed of ___nitrogen and___oxygen and other gases.

    <p>78% and 21%</p> Signup and view all the answers

    in what subsystems of the earth are the rocks and mineral found?

    <p>geosphere</p> Signup and view all the answers

    what part of the earth's sphere make up hydrosphere

    <p>all of the above</p> Signup and view all the answers

    ozone plays an important part for organism to stay alive. to what sphere does ozone belong?

    <p>atmosphere</p> Signup and view all the answers

    which answer best describes the role of the ozone layer?

    <p>it protects the plants and animals on earth from receiving too much ultraviolet radiation.</p> Signup and view all the answers

    human actions greatly affect the earth itself. which of the following is an example of a human impact of the biosphere?

    <p>littering, air, and water pollution</p> Signup and view all the answers

    earth includes beach and grasses, forms of life in the sea, on land, and even in the air. which term best describes the statement?

    <p>biosphere</p> Signup and view all the answers

    which systems of the earth is considered as the largest component of the earth?

    <p>biosphere</p> Signup and view all the answers

    life is supported by oxygen and carbon dioxide. which subsystem will best describe this statement?

    <p>atmosphere</p> Signup and view all the answers

    relationship between the complex communities of individual organism is seen in different systems of the earth. what do you call the unit in nature

    <p>ecosystem</p> Signup and view all the answers

    all of earth's cycles and spheres are interconnected. why is this so?

    <p>because every organism has its own function in the earth</p> Signup and view all the answers

    what is the example of connection between atmosphere and geosphere?

    <p>volcanic eruption release gas</p> Signup and view all the answers

    which among the choices is an example of a connection between atmosphere and hydrosphere

    <p>rain</p> Signup and view all the answers

    from the given choices, which is an example of connection between biosphere connecting to atmosphere?

    <p>plants produce oxygen</p> Signup and view all the answers

    among the choices, which clearly gives an example of a connection between hydrosphere and geosphere?

    <p>waves eroding rocks on beach</p> Signup and view all the answers

    all living things, including the land and sea made up earth. which term best described the statement?

    <p>biosphere</p> Signup and view all the answers

    when nitrogen is returned to the soil when dead plants decompose is an interaction that occurs in what system?

    <p>biosphere and geosphere</p> Signup and view all the answers

    carbon dioxide dissolving from the air into the ocean is an interaction that occurs in which system?

    <p>atmosphere and hydrosphere</p> Signup and view all the answers

    the atmosphere of the earth is composed of ___oxygen and ___ nitrogen and t other gases.

    <p>21% and 78%</p> Signup and view all the answers

    a thin layer of solid rock that makes up the outermost part of the earth is visible to which part of geosphere?

    <p>crust</p> Signup and view all the answers

    pyrite is a yellowish mineral that looks like gold and is commonly called fools gold. what is the property of mineral exhibited by pyrite wherein it reflects light and with a metallic look?

    <p>luster</p> Signup and view all the answers

    quarts can break other than along planes of cleavage. what property of minerals is shown in this situation?

    <p>fracture</p> Signup and view all the answers

    some minerals like mica has surfaces with planes of weak bonds in the crystals. thus, its crystals can be peeled like layers of onions. what is the property exhibited by mica?

    <p>cleavage</p> Signup and view all the answers

    which property refers to the resistance of minerals to scratching?

    <p>hardness</p> Signup and view all the answers

    what are the building blocks of rocks and it is mostly found in the geosphere?

    <p>minerals</p> Signup and view all the answers

    in its powdered form, the mineral hematite is reddish. which mineral property is best described?

    <p>streak</p> Signup and view all the answers

    which is not property that can be used to identify a mineral?

    <p>opaque</p> Signup and view all the answers

    what is the property of minerals that reflects light on its surface?

    <p>luster</p> Signup and view all the answers

    which refers to a naturally occuring, inorganic solid that has a definite crystalline structure and chemical compaction?

    <p>mineral</p> Signup and view all the answers

    during the 1800's miners can identify real gold from pyrite through biting the surface of the mineral. if a bite mark is exhibited, then the said mineral is considered real gold. what property is tested in this scenario?

    <p>hardness</p> Signup and view all the answers

    what is a carbonate mineral that occurs in a different crystal form and is less common than either calcite or dolomite?

    <p>aragonite</p> Signup and view all the answers

    what constitutes the size, shape, and arrangement of mineral grains in a rock?

    <p>texture</p> Signup and view all the answers

    which of the following is not a characteristics of a mineral?

    <p>organic</p> Signup and view all the answers

    what refers to the tendency for a mineral to break along flat surfaces?

    <p>cleavage</p> Signup and view all the answers

    what is the solid form of a mineral produced by a repeating pattern of atoms?

    <p>crystals</p> Signup and view all the answers

    which is not a property that can be used to identify a mineral

    <p>opaque</p> Signup and view all the answers

    rocks vary in color, size, texture and shape. they are classified based on how they were formed. which of the following deals with the study of rocks?

    <p>petrology</p> Signup and view all the answers

    halite is made when a body of seawater becomes closed off and evaporates and salts precipitate out and is deposited as crystallized halite. what type of sedimentary rock is formed?

    <p>chemical</p> Signup and view all the answers

    igneous rock is divided into two groups, extrusive and intrusive. extrusive igneous rocks formed when magma makes its way to its surface as lava and the cools forming rocks. which will be the characteristics of the crystls?

    <p>crystals are fine grained</p> Signup and view all the answers

    regional metamorphism occurs due to changes in pressure and temperature over a large region of of the crust. it may happen when rock is buried deep below the surface or where pieces of the earth's crust collides.

    <p>marble</p> Signup and view all the answers

    igneous and metamorphic rock can be buried and undergo tremendous heating and stress. what is the process of transformation of one rock type into another?

    <p>metamorphism</p> Signup and view all the answers

    what type of rocks are formed from sediments over long period of time?

    <p>sedimentary rocks</p> Signup and view all the answers

    which type of rock is formed when heated and compressed over time?

    <p>metamorphic</p> Signup and view all the answers

    what is the natural process that causes one kind of rock change in another kind?

    <p>metamorphism</p> Signup and view all the answers

    which rock type is formed from hardened magma beneath the earth's surface?

    <p>intrusive igneous rock</p> Signup and view all the answers

    which of the following represents the correct order of the processes responsible for the formation of sedimentary rocks?

    <p>weathering, erosion, deposition, compaction, cementation</p> Signup and view all the answers

    a student obtained a cup of quartz sand from a beach. a saltwater solution is poured into sand and is allowed to evaporate. afterwards, the mineral residue from salt water solution cemented the sand grains together. which of the following is most likely formed?

    <p>sedimentary rock</p> Signup and view all the answers

    which of the following is true about rocks?

    <p>most rocks are a mixture of minerals</p> Signup and view all the answers

    what is the type of rock formed form lava that cools quickly that results to finer grain and smaller size of crystals.

    <p>extrusive igneous rocks</p> Signup and view all the answers

    in which type of rock can fossils be found?

    <p>intrusive igneous rocks</p> Signup and view all the answers

    which type of rock is formed when heated and compressed over time

    <p>metamorphic</p> Signup and view all the answers

    what is the process in which a plant grows into the base of a stone monument and creating a crack in it?

    <p>mechanical weathering</p> Signup and view all the answers

    what is the type of chemical weathering that rapidly dissolves crystals of halite or rock salt to form a solution

    <p>dissolution</p> Signup and view all the answers

    what type of weathering occurs when stalactiles and stalagmites on caves are formed?

    <p>chemical weathering</p> Signup and view all the answers

    what chemical reaction is exhibited when water reacts with one mineral to form a new mineral like feldspar

    <p>hydrolysis</p> Signup and view all the answers

    what chemical reaction causes rust to form?

    <p>oxidation</p> Signup and view all the answers

    what factor causes the breakdown of rocks by friction and impact?

    <p>abrasion</p> Signup and view all the answers

    which of the following humanactivites may not result to the movement of sediments from one place to another?

    <p>washing the dishes</p> Signup and view all the answers

    which is not an agent of erosion

    <p>rocks</p> Signup and view all the answers

    which of the following does not describe the advantage of wind barrier such as row of trees along the edge of field?

    <p>increases the effects of wind erosion</p> Signup and view all the answers

    which process exhibits the breaking down of rocks on the earth's surface or cause changes in its composition?

    <p>weathering</p> Signup and view all the answers

    which of the following processes does not cause physical weathering

    <p>oxidation</p> Signup and view all the answers

    which of the following processes does not cause chemical weathering?

    <p>temperature</p> Signup and view all the answers

    which of the following processes of chemical weathering occur in the formation of stalactiles and stalagmites?

    <p>dissolution</p> Signup and view all the answers

    what statements is NOT correct about dissolution?

    <p>it happens when elements react with atmospheric oxygen.</p> Signup and view all the answers

    what is the composition of the soil?

    <p>grains, organic matter, H2O, and gas</p> Signup and view all the answers

    which of the following process does not alter the composition of material?

    <p>mechanical weathering</p> Signup and view all the answers

    what type of weathering is exhibited when the rocks are fractured, cracked, and broken down into small pieces?

    <p>physical weathering</p> Signup and view all the answers

    which of the following is an exaple of oxidation

    <p>rusting iron</p> Signup and view all the answers

    which activity does not facilitate erosion

    <p>planting</p> Signup and view all the answers

    which diagram exhibits the most ideal arrangement for exogenic processes?

    <p>weathering-erosion-transport-deposition</p> Signup and view all the answers

    what term refers to the removal and tranport of weathered material form one place to another

    <p>erosion</p> Signup and view all the answers

    which is not an agent of erosion

    <p>rocks</p> Signup and view all the answers

    which of the following cannot be considered as a role of gravity in erosion?

    <p>it loosens the land materials</p> Signup and view all the answers

    what term refers to the process wherein rocks breaks down into pieces

    <p>weatherind</p> Signup and view all the answers

    what process of chemical weathering is invloved when water reacts with one mineral to form a new material like feldspar into clay?

    <p>hydrolysis</p> Signup and view all the answers

    what type of mechanical weathering occurs when freezing of water and separated thawing of cracks of rocks

    <p>frost wedging</p> Signup and view all the answers

    which of the following does not cause chemical changes in the composition of rocks?

    <p>oxidation</p> Signup and view all the answers

    what chemical reaction takes place during rusting of iron

    <p>oxidation</p> Signup and view all the answers

    which of the following processes cannot be considered as exogenic?

    <p>transport</p> Signup and view all the answers

    what is the process by which sediments settle down in a particular area?

    <p>deposition</p> Signup and view all the answers

    why does radioactive decay play a very important role in earth's internal heat?

    <p>all of the above</p> Signup and view all the answers

    how does conduction in the surface of theearth affect the temperature of our atmosphere

    <p>air molecules come in contact with the cooler surface of the land and ocean resulting to the decrease of its thermal energy</p> Signup and view all the answers

    how does convection in Earth's mantle affects the formation of landmass like volcano and mountain?

    <p>all of the above</p> Signup and view all the answers

    what is produced by radioactive decay of isotopes in the mantle and crust?

    <p>radiogenic heat</p> Signup and view all the answers

    this refers to the heat left over from the formation of the earth?

    <p>primordial heat</p> Signup and view all the answers

    how much is the approximate terawatts in the flow of heat in the Earth's interior to its surface?41 terrawatts

    <p>47 terrawatts</p> Signup and view all the answers

    which of the following is the outermost layer of the earth?

    <p>crust</p> Signup and view all the answers

    which of the following stores magma and located in a region just beneath the crust all the ways to the core?

    <p>mantle</p> Signup and view all the answers

    what heat transfer of fluid in the earth's interior results to the movement of rocky mantle up to the surface?

    <p>convection current</p> Signup and view all the answers

    which of the following are boundaries between the three major layers of the earth?

    <p>discontinuities</p> Signup and view all the answers

    what refers to the shaking of the surface of earth resulting from a sudden release of energy caused by a convection current?

    <p>earthquake</p> Signup and view all the answers

    how does the mantle behave as a viscous fluid on a geological time scale?

    <p>existence of high temperature</p> Signup and view all the answers

    what kind of heat transfer occur mostly on earth's surface?

    <p>conduction</p> Signup and view all the answers

    what kind of process by which heat energy is transmitted thorugh collisions between neighboring atoms or molecules?

    <p>conduction</p> Signup and view all the answers

    what are the two factors that affect conduction on earth's surface?

    <p>heat from the earth's core and radiation from the sun</p> Signup and view all the answers

    what process by which heat is directly trasmitted through a subtanced there is difference of temperature or between adjoining regions, without movement of the material?

    <p>radiation</p> Signup and view all the answers

    Which of the following is described as the process of heat exchange between the sunand earth that controls the temperatures of the latter?

    <p>radiation</p> Signup and view all the answers

    what is produced by the radioacctive deacy of isotopes in the mantle and crust?

    <p>radiogenic heat</p> Signup and view all the answers

    how does mantle behave as viscous fluid on a geological time scale?

    <p>temperature</p> Signup and view all the answers

    what terms should be used to describe a semi-liuid hot molten rock located beneath the earth?

    <p>magma</p> Signup and view all the answers

    what do you call the semi-liquid hot molten rocks found on the surface of the earth once the volcano eupts?

    <p>lava</p> Signup and view all the answers

    what process occurs if there are formation and movement of magma under the earth's crust?

    <p>partial melting</p> Signup and view all the answers

    in what part of the earth does magmatism happen?

    <p>asthenosphere</p> Signup and view all the answers

    what are the two most abundant elements in magma

    <p>silicon and oxygen</p> Signup and view all the answers

    what will happen to the temperature of rocks during partial melting?

    <p>increases</p> Signup and view all the answers

    which of the following is not a factor of partial melting?

    <p>an increase in pressure</p> Signup and view all the answers

    during partial melting, which of the following minerals melts first?

    <p>biotite</p> Signup and view all the answers

    during partial melting, which of the following minerals melts first?

    <p>both B and C</p> Signup and view all the answers

    conduction in mantle happens when heat is transferred from hotter molten rocks to the earth's cold crust. what process is being described?

    <p>heat transfer</p> Signup and view all the answers

    mantle rocks remains solid when exposed to high pressure. however, during convection these rocks tend to go upward (shallower level) and the pressure is reduced. what ptrocess is being described?

    <p>decompresssion melting</p> Signup and view all the answers

    when water or carbon dioxide is added to hot rocks, the melting points of minerals within the rocks decrease. what process is being described?

    <p>flux melting</p> Signup and view all the answers

    during partial melting of magma, where does heat transfer take place?

    <p>convergent boundary</p> Signup and view all the answers

    during partial melting of a magma, where does decompression melting take place?

    <p>mid-ocean ridge</p> Signup and view all the answers

    during partial melting of a magma, where does flux melting take place?

    <p>subduction zone</p> Signup and view all the answers

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