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  • Which era is called the "Age of Dinosaurs"?
    Mesozoic Era
  • How old is the Earth?
    4.5 billion years
  • What is a fossil?
    Preserved remains
  • What did the Big Bang create?
    Space and time
  • What does stratigraphy study?
    Rock layers
  • What do we call a scientist who studies fossils?
    Paleontologist
  • What is the name of the supercontinent that existed 250 million years ago?
    Pangaea
  • What do scientists use to divide Earth’s history?
    Geologic time
  • What started the universe?
    The Big Bang
  • What type of fossil is a footprint?
    Trace fossil
  • In which era did the first organisms evolve? Pa_______
    Paleozoic Era
  • What covers dead organisms to form fossils?
    Mud or sand
  • How many extinctions have there been?
    Five
  • Phanerozoic is an e____?
    Eon
  • What type of fossil is a bone?
    Body fossil
  • What do fossils in rock layers tell us?
    Earth’s history
  • Which era is called the "Age of Mammals"?
    Cenozoic Era
  • How old is the universe?
    13.8 billion years
  • Do fossils form quickly or slowly?
    Slowly
  • Are deeper rock layers older or younger?
    Older