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

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