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- 1. Multiple ChoiceThe number of years that have passed since the rock formed is the rock'srelative agelaw of superpositionabsolute ageindex fossil
- 2. Multiple ChoiceThe age of a rock compared to the ages of other rocks is the rock'sabsolute agegeologic agesedimentary agerelative age
- 3. Multiple ChoiceA formation of igneous rock on Earth's surface is known asa gapan intrusiona faultan extrusion
- 4. Multiple ChoiceGeologists use the law of _________ to determine the relative ages of sedimentary rock layers.geologysuperposition
- 5. Multiple ChoiceRelative age is different from absolute age becauserelative age compares rock with surrounding rock while absolute age is how many years since the rock was formedrelative aging is more accurate than absolute agingabsolute age compares rock with surrounding rock while relative age is how many years since the rock was formed.Relative age is used to determine rock age and absolute age is used to determine age of fossils
- 6. Multiple Choice
Which rock layer in the diagram seems to be the oldest?FEBA - 7. Multiple ChoiceWhich is older, A or D?AD
- 8. Multiple ChoiceTo be considered an index fossil, it had to have lived for a relatively short period of time.TrueFalse
- 9. Multiple ChoiceTrilobites are good __________ fossils because they were abundant and widespread geographically.castindexpreservedmold
carbonized - 10. Multiple ChoiceStates that younger rocks lie above older rocks if the layers have not been disturbedLaw of crosscuttingLaw of superpositionRelative DatingUnconformity
- 11. Multiple ChoiceTraces or remains of organisms that lived long agoFossilUnconformitySuperpositionColumn
- 12. Multiple ChoiceWhat are the relative ages of the features in order from oldest to youngest?Limestone, Basalt, Fault, SiltstoneSiltstone, Fault, Basalt, LimestoneLimestone, Fault, Basalt, SiltstoneLimestone, Siltstone, Fault, Basalt
- 13. Multiple ChoiceRelative dating of rock layers tells us that the deeper we dig, _______.the younger the rocks getthe smellier the rocks getthe harder the rocks getthe older the rocks get
- 14. Multiple ChoiceThe Law of Superposition helps scientists to determine what?The absolute age of rock layersThe age of fossilsThe relative age of rock layersthe super powers of rocks
- 15. Multiple ChoiceAccording to the law of superposition, which layer is the youngest?ABC
- 16. Multiple ChoiceHow does sedimentary rock usually form?VerticallyDiagonallyFoldingHorizontally
- 17. Multiple ChoiceWhat states that a fault or a body of rocks must be younger than any feature or layer of rock that the fault or rock body cuts through?UnconformityIntrusionLaw of superpositionLaw of crosscutting
- 18. Multiple ChoiceWhat can be used to determine the relative ages of rock layers?Living animalsLiving plantsMineralsFossils
- 19. Multiple ChoiceWhich of the following correctly lists the layers in order from oldest to youngest?A, B, C, D, EE, B, C, D, AE, D, C, B, AC, B, A, D, E
- 20. Multiple ChoiceThe best index fossils have which two traits?widespread geographically, long lifespanwidespread geographically, short lifespanspecific place, long lifespanspecific place, short lifespan
- 21. Multiple ChoiceWhich best describes a fossil that helps determine the relative age of a rock layer?trace fossilindex fossilradioactive fossilunconformity fossil
- 22. Multiple ChoiceAccording to the law of superposition, the oldest fossils are foundAt the top of the rock layersNear the bottom of the rock layersIn the middle of the rock layersSomewhat near the surface
- 23. Multiple ChoiceThe Law of Superposition helps scientists to determine what?The absolute age of rock layersThe age of fossilsThe relative age of rock layersthe super powers of rocks
- 24. Multiple ChoiceWhat is the oldest layer in the outcrop?BCDE
- 25. Multiple ChoiceWhat is the youngest layer in the outcrop?ABCD
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