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

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