PetrifiedFossilWhensedimentreplaces allor part of anorganism FaultA breakin Earth'scrustEraThe secondlargestdivision ofgeologicaltime MoldFossilFossilizedimprint insediment inthe shape ofan organism PreservedRemainsWhen parts ofthe originalorganismremain, likeamber, ice, tar,mummies, etc.AbsoluteAgehe exact age therock given asthe number ofyears since therock formedExtinctRefers to agroup of relatedorganisms thathas died out andhas no livingmembers PaleontologistA scientistwhostudiesfossilsCastFossilSolid copy ofthe shape ofan organism SedimentaryRockThe onlytype of rickwhere fossilsare foundCarbonFilmThin film of carbonthat forms as gasesand liquids areforced out of thebody due topressure and heat TraceFossilA fossil thatshows theactivities ofancientorganisms IgneousRockvolcanicrock wherefossils arenot foundGorgonopsidThe apexpredator of thepermian period;Had mammal-like teethstromatolitesFossilizedsingle-celledorganisms thatstill remain theoldest fossils onEarthIndexFossila fossil that isuseful for datingand correlatingthe strata inwhich it is found ThrinaxodonOne of the firstmammals toexist, hadseveral reptiliancharacteristicsExtrusionAn igneous rocklayer that formswhen lava flowsonto Earth’ssurface andhardens FossilRemains orimpression of aprehistoricorganismpreserved inrockLaw ofSuperpositionLaw stating thatlower rocklayers are olderand upper rocklayers areyounger FossilRecordAll the fossilscollected andstudied bypaleontologistsPeriodThe secondshortest unitof geologicaltime (behindepochs) EvolutionThe changein livingthings overmanygenerations IntrusionAn igneous rocklayer that formswhen magmahardens beneathEarth’s surface EonsLongeststretch ofgeologictimeOverturnedFoldsThe onlycase whereyounger rocklayers canend upRelativeAgeThe age ofrocks ascompared toother rocks GeologicTimeScaleA record ofthe geologicevents andlife forms inEarth’s history UnconformityBreak in timedue to erosionin an otherwisecontinuous rockrecord PetrifiedFossilWhensedimentreplaces allor part of anorganism FaultA breakin Earth'scrustEraThe secondlargestdivision ofgeologicaltime MoldFossilFossilizedimprint insediment inthe shape ofan organism PreservedRemainsWhen parts ofthe originalorganismremain, likeamber, ice, tar,mummies, etc.AbsoluteAgehe exact age therock given asthe number ofyears since therock formedExtinctRefers to agroup of relatedorganisms thathas died out andhas no livingmembers PaleontologistA scientistwhostudiesfossilsCastFossilSolid copy ofthe shape ofan organism SedimentaryRockThe onlytype of rickwhere fossilsare foundCarbonFilmThin film of carbonthat forms as gasesand liquids areforced out of thebody due topressure and heat TraceFossilA fossil thatshows theactivities ofancientorganisms IgneousRockvolcanicrock wherefossils arenot foundGorgonopsidThe apexpredator of thepermian period;Had mammal-like teethstromatolitesFossilizedsingle-celledorganisms thatstill remain theoldest fossils onEarthIndexFossila fossil that isuseful for datingand correlatingthe strata inwhich it is found ThrinaxodonOne of the firstmammals toexist, hadseveral reptiliancharacteristicsExtrusionAn igneous rocklayer that formswhen lava flowsonto Earth’ssurface andhardens FossilRemains orimpression of aprehistoricorganismpreserved inrockLaw ofSuperpositionLaw stating thatlower rocklayers are olderand upper rocklayers areyounger FossilRecordAll the fossilscollected andstudied bypaleontologistsPeriodThe secondshortest unitof geologicaltime (behindepochs) EvolutionThe changein livingthings overmanygenerations IntrusionAn igneous rocklayer that formswhen magmahardens beneathEarth’s surface EonsLongeststretch ofgeologictimeOverturnedFoldsThe onlycase whereyounger rocklayers canend upRelativeAgeThe age ofrocks ascompared toother rocks GeologicTimeScaleA record ofthe geologicevents andlife forms inEarth’s history UnconformityBreak in timedue to erosionin an otherwisecontinuous rockrecord 

Geologic Time Bingo - Call List

(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.


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  1. When sediment replaces all or part of an organism
    Petrified Fossil
  2. A break in Earth's crust
    Fault
  3. The second largest division of geological time
    Era
  4. Fossilized imprint in sediment in the shape of an organism
    Mold Fossil
  5. When parts of the original organism remain, like amber, ice, tar, mummies, etc.
    Preserved Remains
  6. he exact age the rock given as the number of years since the rock formed
    Absolute Age
  7. Refers to a group of related organisms that has died out and has no living members
    Extinct
  8. A scientist who studies fossils
    Paleontologist
  9. Solid copy of the shape of an organism
    Cast Fossil
  10. The only type of rick where fossils are found
    Sedimentary Rock
  11. Thin film of carbon that forms as gases and liquids are forced out of the body due to pressure and heat
    Carbon Film
  12. A fossil that shows the activities of ancient organisms
    Trace Fossil
  13. volcanic rock where fossils are not found
    Igneous Rock
  14. The apex predator of the permian period; Had mammal-like teeth
    Gorgonopsid
  15. Fossilized single-celled organisms that still remain the oldest fossils on Earth
    stromatolites
  16. a fossil that is useful for dating and correlating the strata in which it is found
    Index Fossil
  17. One of the first mammals to exist, had several reptilian characteristics
    Thrinaxodon
  18. An igneous rock layer that forms when lava flows onto Earth’s surface and hardens
    Extrusion
  19. Remains or impression of a prehistoric organism preserved in rock
    Fossil
  20. Law stating that lower rock layers are older and upper rock layers are younger
    Law of Superposition
  21. All the fossils collected and studied by paleontologists
    Fossil Record
  22. The second shortest unit of geological time (behind epochs)
    Period
  23. The change in living things over many generations
    Evolution
  24. An igneous rock layer that forms when magma hardens beneath Earth’s surface
    Intrusion
  25. Longest stretch of geologic time
    Eons
  26. The only case where younger rock layers can end up
    Overturned Folds
  27. The age of rocks as compared to other rocks
    Relative Age
  28. A record of the geologic events and life forms in Earth’s history
    Geologic Time Scale
  29. Break in time due to erosion in an otherwise continuous rock record
    Unconformity