Fossils and Geologic Time
3 years ago
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  • Question 1
    30 seconds
    Q. How do most fossils form?
    answer choices
    A living thing dies and is buried under sediment
    The sediment is compressed and compacted 
    They are formed in sedimentary rock
    All of these answers
  • Question 2
    30 seconds
    Q. What is it called when the organic matter that makes up a deposited organism decomposes and leaves a cavity?
    answer choices
  • Question 3
    30 seconds
    Q. What is it called when water that contains a lot of minerals enters the pores of an object. Over time, the water evaporates leaving behind mineral crystals in the shape of the object.
    answer choices
    A petrified fossil
    A cast fossil
    A mold fossil
    A trace fossil
  • Question 4
    30 seconds
    Q. What is a trail, track or burrow left behind by an animal that later fossilized?
    answer choices
    A trace fossil
    A carbon film
    A petrified fossil
    An extrusion
  • Question 5
    30 seconds
    Q. What is a fossil that is useful for dating and correlating the strata in which it is found?
    answer choices
    a petrified fossil
    a trace fossil
    a cast fossil
    an index fossil
  • Question 6
    30 seconds
    Q. What is the Law of Superposition?
    answer choices
    The oldest rocks are at the top of the sequence and the youngest are at the bottom
    The rocks at the bottom of the sequence must be super strong to support those above
    The youngest rocks are at the top of the sequence and the oldest are at the bottom
    The forcing of molten rock into an earlier formation
  • Question 7
    30 seconds
    Q. What things can fossils reveal about Earth?
    answer choices
    How life has changed over time
    All of these answers
    How Earth's climate has changed over time
    How Earth's features have changed over time
  • Question 8
    30 seconds
    Q. What is relative age?
    answer choices
    The geologic age of a fossil, rock or geologic feature defined relative to other fossils, rocks or features
    The geologic age of a fossil based on when the relatives of that fossil died
    The geologic age of a fossil, or geologic event expressed in units of time
    How old your mom is
  • Question 9
    30 seconds
    Q. What is a rock mass formed by molten rock being forced into an earlier formation of rock layers?
    answer choices
  • Question 10
    30 seconds
    Q. This palm tree fossil was found in Alaska. What can you conclude?
    answer choices
    Alaska used to be under water
    Alaska once had a much warmer climate
    Alaska was once an island
    This fossil washed up on the Alaskan shore
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