half-lifeinvertebrateeraradioactivedecayreptilecometrelativeagemassextinctionmammalabsoluteagepetrifiedfossilcastgeologictimescalelaw ofsuperpositionindexfossilevolutionpaleontologistextrusionextinctmoldintrusionperiodcarbonfilmunconformityvertebrateamphibiantracefossilfaultfossilhalf-lifeinvertebrateeraradioactivedecayreptilecometrelativeagemassextinctionmammalabsoluteagepetrifiedfossilcastgeologictimescalelaw ofsuperpositionindexfossilevolutionpaleontologistextrusionextinctmoldintrusionperiodcarbonfilmunconformityvertebrateamphibiantracefossilfaultfossil

A Trip Through 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. half-life
  2. invertebrate
  3. era
  4. radioactive decay
  5. reptile
  6. comet
  7. relative age
  8. mass extinction
  9. mammal
  10. absolute age
  11. petrified fossil
  12. cast
  13. geologic time scale
  14. law of superposition
  15. index fossil
  16. evolution
  17. paleontologist
  18. extrusion
  19. extinct
  20. mold
  21. intrusion
  22. period
  23. carbon film
  24. unconformity
  25. vertebrate
  26. amphibian
  27. trace fossil
  28. fault
  29. fossil