Geologic Dating: Unit 5 Quiz
Quiz by Stephanie Hahlen
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24 questions
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- Q1What process is associated with determining the absolute age of rocks or fossilsrelative datingcross datingradioactive datingsuperposition30sEditDelete
- Q2The number of years since a rock formed is itsrelative ageabsolute agedecay ageintermediate age30sEditDelete
- Q3Magma that cools and hardens into igneous rock beneath the surfacefaultunconformityextrusionintrusion30sEditDelete
- Q4Along with being widely distributed, what other factor makes a fossil an index fossil?existing todaybeing extremely youngbeing extremely oldExisting for a brief amount of time30sEditDelete
- Q5A geologist is measuring the amount of radioactive uranium in a rock and comparing it to the amount of radioactive lead found in the sample. What is the geologist most likely trying to figure out?its densityits massits ageits volume30sEditDelete
- Q6What information can an index fossil help a scientist obtain?a name for another fossilthe number of organisms in that speciesa relative date for another fossilan absolute date for another fossil30sEditDelete
- Q7Which of the following might result in the geologic record being incomplete?There is a half-lifeThere is an extrusionThere is an intrusionThere is an unconformity30sEditDelete
- Q8What ancient climate might be associated with finding coral fossils?desertfresh water lakewarm shallow oceanforest30sEditDelete
- Q9What kind of elements are needed for radiometric dating?radio active isotopesisotopesgassesheavy elements30sEditDelete
- Q10Why can't carbon-14 be used to date extremely old samples?It is only used for relative dating.It decays in a relatively short period of time.It can not be used for radioactive dating.It has no radioactive isotopes.30sEditDelete
- Q11Which geologic principle states that in an undisturbed set of layers, the oldest is always found on the bottom and the youngest on the top?Law of Cross CuttingLaw of UniformitarianismPrinciple of DepositionLaw of Superposition30sEditDelete
- Q12What ancient climate might be associated with finding till?swampglaciersoceanlake30sEditDelete
- Q13The law of superposition is most relevant when studying which type of rock?sedimentarymetamorphicigneousgranite30sEditDelete
- Q14What ancient climate might be associated with finding coal deposits?swampdesertglacierwater30sEditDelete
- Q15What ancient climate might be associated with finding salt deposits?swampfresh water lakedesertoceans30sEditDelete
- Q16What principle states that "the present is the key to the past"?UniformitarianismCross cuttingSuperstitionSuperposition30sEditDelete
- Q17Is the fault in this picture older or younger than the layers it cuts through?Can not tellYoungerOlderSame age30sEditDelete
- Q18Which of the following can help a scientist estimate geologic time?comparing fossilsall of theseobserving a rock sequenceradiometric dating30sEditDelete
- Q19Using the principle of uniformatarianism, which of the following processes that can be observed today would be most like Earth during its early history when the surface was probably covered with an ocean of molten rock that eventually cooled into crust?water vapor in the upper atmosphere cools and condenses into rainlava from volcanic eruptions cools to form new islandsice crystals within glaciers slide over each other causing glacial movementheat and pressure cause the formation of metamorphic rocks30sEditDelete
- Q20Using this geologic time scale, which division of time is the longest?periodepocheventera30sEditDelete
