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Earth's History (Grade 7)

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Earth's History

According to the Geologic Time Scale what is the current period called?
  1. Cretaceous
  2. Jurassic
  3. Triassic
  4. Quaternary
What are the major subdivisions of geologic time? (In the correct order from longest to shortest time)
  1. Eons, eras, periods, epochs
  2. Epochs, eons, eras, periods
  3. Eras, eons, epochs, periods
  4. Periods, eras, eons, epochs
The principle that states geologic changes occur over long periods of time is:
  1. the threshold theory
  2. catastrophism
  3. gradualism/uniformitarianism
  4. the feedback mechanism
In which era did the first fish appear?
  1. Carboniferous
  2. Paleozoic
  3. Mesozoic
  4. Permian
Pangaea began to break up into continents during the
  1. Tertiary Period
  2. Precambrian Era
  3. Mesozoic Era
  4. Cenozoic Era
Dinosaurs became extinct at the end of the
  1. Cretaceous Period
  2. Triassic Period
  3. Carboniferous Period
  4. Permian Period
Hutton's observations of the nature of the development of sandstone would be an example of:
  1. tectonic plate theory
  2. catastrophism
  3. the carbon cycle
  4. gradualism
When did the Mesozoic era end?
  1. 85 millions years ago
  2. 65 million years ago
  3. 45 million years ago
  4. 25 million years ago
The longest part of Earth's history is called:
  1. Cambrian
  2. Pre-Cambrian
  3. Mesozoic
  4. Jurassic
The most recent ice age was during the
  1. Pennsylvanian period
  2. Pleistocene Epoch
  3. Jurassic Park
  4. Mesozoic Era
The youngest period of the Mesozoic Era is known as the
  1. Triassic Period
  2. Silurian Period
  3. Pennsylvanian Period
  4. Cretaceous Period
Which of the following is an example of a trace fossil?
  1. footprint
  2. leaf
  3. skeleton
  4. trilobite
An important index fossil for the Paleozoic Era are
  1. fish
  2. sponge
  3. trilobites
  4. plants
The evolution of the horse took place during the                  .
  1. Jurassic Period
  2. Permian Period
  3. Quaternary Period
  4. Tertiary Period
The theory of                   explains that natural forces now shaping the earth have been doing it the same way for billions of years.
  1. creationism
  2. natural selection
  3. catastrophism
  4. uniformitarianism
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