Quiz
Earth Systems
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Perguntas do quiz (63)
1A physical cycle is the reversible changes in non-living aspects
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2A biogeochemical cycle refers to geology
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3Identify examples of physical cycles in Earth Systems (2 answers)
- AReproduction
- BRock cycle (atoms being rearranged in rocks)
- CSupercontinental cycle (plate tectonic movement)
4Identify examples of biogeochemical cycles (2 answers)
- ACarbon cycle (regulating climate)
- BHydrological cycle (water cycle)
- CRock cycle (rearrangement of atoms)
5What are the four principal Earth Systems? (4 answers)
- AAtmosphere, Biosphere, Geosphere, Hydrosphere
- BBiosphere, Geologicalsphere, Chemsphere, Hydrosphere
- CPhotosphere, Transphere, Atmosphere, Geosphere
6What are examples of short-time scales? (2 answers)
- AGlobal warming
- BDeforestation
- CClimate change
7What are examples of long-time scales? (2 answers)
- APopulation growth
- BClimate change
- CMass extinction
8How can changes vary? (3 answers)
- AType of change
- BFrequency (how often it occurs)
- CUnderlying cause
- DLevel of importance/devastation
9A mineral is a rock
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10Most rocks are composed of more than one type of mineral
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11What defines a mineral? (6 answers)
- ANaturally occuring
- BSolid
- CCrystalline (an ordered crystalline structure based on atomic patterns also known as 'crystal lattice')
- DOrderly arrangement of atoms
- EUsually inorganic
- FOnly found in volcanoes
- GContain carbon-hydrogen bonds
12How is a mineral tested for identification? (9 answers)
- AColour
- BStreak
- CLustre
- DHardness
- ESpecific gravity (density)
- FCrystal habit/form
- GCleavage/fracture
- HMagnetism
- ITaste/touch
- JState of matter (liquid, gas, solid)
13Colour is a reliable source of identification
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14Mafic rocks contain dark-coloured minerals.
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15Felsic rocks contain light-coloured minerals.
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16The Mohs Hardness Scale is used for rocks only.
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17Identify the ideal shape (morphology) of crystal habit in minerals. (8 answers)
- ACube
- BOctahedra
- CBlade
- DHexagonal Prism
- EDodecahedra
- FCompound Form
- GRhombahedra
- HTetragonal Prism
- IIrregular
- ACube
18What are the types of cleavage? (4 answers)
- APlanar (basal) - 1 direction
- BPrismatic - 2 directions at 90 degrees
- CCubic - 3 directions all at 90 degrees
- DOrthorhombic - 3 directions not at 90 degrees
- EIsosceles - 2 directions at 60 degrees
19The Earth's crust is composed of silicate minerals (a type of salt made up of silicon and oxygen)
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20Plate tectonics do not predict earth's behaviour.
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21Seismology is the study of earthquakes.
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22What do earthquakes do?
- AGenerate energy waves
- BDirectly kill people
- COpen up and swallow people
23There are three main layers of earth (crust, mantle, core)
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24The further you explore earth, the thinner the layering and the lower the density (pressure).
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25What are the elements in the crust? (8 answers)
- ASi (Silicon)
- BO (Oxygen)
- CAl (Aluminium)
- DFe (Iron)
- ECa (Calcium)
- FNa (Sodium)
- GK (Potassium)
- HMg (Magnesium)
- ICu (Copper)
26Continental crust is thicker than oceanic crust
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27Continental crust is more dense than oceanic crust
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28Continental crust is mafic and oceanic crust is felsic
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29The 'Moho' is the crust-mantle boundary
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30The mantle is made up of solid rock (ultramafic peridotite)
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31The mantle flows like a river of lava.
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32What minerals does the core comprise of? (4 answers)
- AFe (Iron)
- BNi (Nickel)
- CPt (Platinum)
- DAu (Gold)
- EAg (Silver)
33The innermost part of the core is liquid.
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34The flow in the outer core generates the earth's magnetic field.
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35The Asthenosphere flows like softened wax (caramel).
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36The Lithosphere is below the Asthenosphere.
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37What are the types of plate boundaries? (3 answers)
- ADivergent
- BConvergent
- CTransform
- DArctangent
38What is the cause of divergent plate boundaries?
- ASea-floor spreading
- BBalanced sea-floor spreading
39In a transform plate boundary, plate boundaries are created and destroyed.
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40Active volcanoes create seamounts (hotspots)
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41The oceanic crust is formed at divergent boundaries.
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42Weathering is the same as erosion.
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43Identify an example of physical weathering:
- ARoot wedging
- BOxidation
- CChemical reaction
44Identify an example of chemical weathering:
- AHydrolysis
- BJointing
- CAnimal/Human activity
45The fastest weathering minerals are Halite, Calcite, and Olivine.
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46The slowest weathering minerals are Hermatite, Gibbsite, and Quartz.
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47The corners of a rock weather the slowest.
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48Over time, rocks will form roughly spherical shapes from harsh weathering.
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49What are the causes of erosion? (5 answers)
- AWind
- BRunning water, waves
- CIce (glaciers)
- DLiving organisms
- EGravity
- FMagnetism
50How are rocks held together? (2 answers)
- AClastic (cement)
- BCrystalline (interlocking grains)
- CGlue
- DGravity
51What are the major rock groups? (3 answers)
- AIgneous
- BSedimentary
- CMetamorphic
- DCrystalline
52What are examples of an igneous rock? (2 answers)
- AGranite
- BBasalt
- CPebble
- DLava
53What are examples of sedimentary rocks?
- ASandstone
- BLimestone
- CSlate
- DMagma
54What are examples of metamorphic rocks?
- AMarble
- BSlate
- CGabbro
- DGlass
55How can rocks be identified? (5 answers)
- AGrain size
- BShape (morphology)
- CMineralogy and composition
- DTexture
- ELayering
- FColour
56Magma can be any state of matter (solid, liquid, or gas)
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57Magmas vary chemically due to: (4 answers)
- AInitial source rock compositions
- BPartial melting
- CAssimilation and mixing
- DFractional composition
- EClimate
- FType and location of volcano
58Bowen's Reaction Series refers to a graph that will identify what type of volcanic rocks will melt at what specific temperature.
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59A xenolithe is a foreign rock.
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60Metamorphic rocks do not hold any economic value.
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61New minerals are grown in metamorphic rock.
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62What are the sedimentary rock classes? (4 answers)
- AClastic/detrital
- BOrganic
- CGeochemical
- DInorganic
- EBiochemical
- FChemical
63Granule is the smallest size of rock.
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Informações
- Descrição
- Quiz sobre Earth Systems, criado por muraj012 em 13-06-2015.
- Autor
- muraj012
- Idioma
- English
- Visualizações
- 42
- Etiquetas
- Avaliação
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