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Seventh Grade (Grade 7) Historical Geology Questions

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Grade 7 Historical Geology
The calendar of Earth's history is sometimes referred to as what?
  1. Geologic Time Scale
  2. Fossil Scale of Age
  3. Aged Geology Scale
  4. Periodic Calendar of Time
Grade 7 Historical Geology
Aside from the Precambrian, which of the following are the other largest divisions of the geologic time scale?
  1. Paleozoic, Mesozoic, and Cenozoic.
  2. Paleozoic, Mesozoic, and Jurassic.
  3. Paleozoic, Triassic, and Jurassic.
  4. Mesozoic, Paleozoic, and Cretaceous.
Grade 7 Historical Geology
Index fossils help to match
  1. plants to the animal life that ate them.
  2. sedimentary rocks with igneous rocks formed at the same time.
  3. rock layers from different areas.
  4. alphabetically arranged resources.
Grade 7 Historical Geology
                provide a record of organisms that lived in the past.
  1. Fossils
  2. Sedimentary
  3. Limestone
  4. Rocks
Grade 7 Historical Geology
What is a geologic time scale?
  1. A record of divisions in class history
  2. A record of divisions in state history
  3. A record of divisions in space history
  4. A record of divisions in Earth history
Grade 7 Historical Geology
Radiometric dating is used to determine
  1. the relative age of a fossil.
  2. the amount of radio waves in a fossil.
  3. the absolute age of a fossil.
  4. none of the above
Grade 7 Historical Geology
What is the best definition of a fossil?
  1. any trace of an ancient plant
  2. any trace of an ancient animal
  3. any trace of an ancient human
  4. any trace of an ancient organism
Grade 7 Historical Geology
As a tool, the law of superposition enables a geologist to
  1. determine the absolute age of a rock layer.
  2. always identify the bottom layer of sediment as being deposited first and thus as the youngest.
  3. measure the flow of lava from a volcanic vent.
  4. establish relative age of a sedimentary layer.
Grade 7 Historical Geology
The first fossils of                      are found in rocks from the Paleozoic Era.
  1. invertebrate animals
  2. fishes and reptiles
  3. amphibians
  4. insects
  5. all of the above
Grade 7 Historical Geology
Earth is about                 years old.
  1. 4.5 million
  2. 4.5 billion
  3. 3.5 billion
  4. 3.5 million
Grade 7 Historical Geology
How can fossils be dated?
  1. comparing their positions in rock layers
  2. measuring radioactive elements
  3. knowing the age of the rock layer they are in
  4. all of the above
Grade 7 Historical Geology
Fossils have been preserved in which of the following?
  1. amber
  2. tar
  3. ice
  4. all of these
Grade 7 Historical Geology
In order to form a fossil, an organism should                                     .
  1. be buried in sediments.
  2. remain uncovered so decay will stop.
Grade 7 Historical Geology
Which type of dating says that older fossils are in bottom layers of rock?
  1. relative dating
  2. absolute dating
Grade 7 Historical Geology
Which type of dating gives a number for the age of fossils?
  1. absolute dating
  2. relative dating
Grade 7 Historical Geology
The longest unit of time of the geological time scale is the                .
  1. Precambrian.
  2. Mesozoic.
  3. Paleozoic.
  4. Cenozoic.
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