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Eighth Grade (Grade 8) Historical Geology Questions

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Grade 8 Historical Geology
Geological time periods are divided by                                                .
  1. the appearance and disappearance of life forms.
  2. an equal number of years.
  3. the amount of sediment.
  4. solar changes.
Grade 8 Historical Geology
Order the divisions of geological time from the longest to the shortest.
  1. epochs, periods, eras, eons
  2. eons, epochs, eras, periods
  3. periods, epochs, eras, eons
  4. eons, eras, periods, epochs
Grade 8 Historical Geology
The image shown could best be used for which purpose?
Geologic Cross Section 2
  1. relative dating
  2. absolute dating
  3. radiometric dating
  4. paleomagnetic dating
Grade 8 Historical Geology
Which of the following does not describe the second mass extinction?
  1. half of all animal and plant life died
  2. dinosaurs became extinct
  3. the primordial ooze occurred
  4. the Sun was blocked and much plant life died, resulting in many animals dying
Grade 8 Historical Geology
When did geologic time begin?
  1. about 4.6 million years ago
  2. about 4.6 thousand years ago
  3. about 4.6 years ago
  4. about 4.6 billion years ago
Grade 8 Historical Geology
Any trace of an ancient organism that has been preserved is called a                  .
  1. subduction zone
  2. track
  3. fossil
  4. deep-ocean trench
Grade 8 Historical Geology
Which area of science studies Earth's history and structure?
  1. Astronomy
  2. Oceanography
  3. Meteorology
  4. Geology
Grade 8 Historical Geology
Gaps in rock sequences are called                  .
  1. superposition
  2. index fossils
  3. uniformitarianism
  4. unconformities
Grade 8 Historical Geology
Which area of Earth Science is the study of ancient organisms?
  1. astronomy
  2. meteorology
  3. paleontology
  4. oceanography
Grade 8 Historical Geology
For fossils to form, the remains must be covered quickly by                .
  1. coprolites
  2. sediment
  3. water
  4. scavengers
Grade 8 Historical Geology
During the first billion years of Earth's history,                          .
  1. there was life everywhere
  2. trilobites evolved
  3. vertebrates evolved
  4. there was no life
Grade 8 Historical Geology
                   is the release of nuclear particles and energy from unstable atomic nuclei.
  1. Superposition
  2. Indexing
  3. Radioactive decay
  4. Radiometric dating
Grade 8 Historical Geology

This question is a part of a group with common instructions. View group »

Calculating the absolute age of a rock by measuring the amounts of parent and daughter materials in a rock and knowing the half-life of the parent material is called                   .
  1. radiometric dating
  2. radioactive decay
  3. half-life
  4. uniformitarianism
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