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Eighth Grade (Grade 8) Historical Geology Questions

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Grade 8 Historical Geology
About how long ago did the dinosaurs first appear on Earth?
  1. 150 million years ago
  2. 230 million years ago
  3. 200 million years ago
  4. 135 million years ago
Grade 8 Historical Geology
What two continents did the Bering Strait lang bridge connect during the ice age?
  1. Africa and South America
  2. Australia and South America
  3. Asia and North America
  4. Europe and North America
Grade 8 Historical Geology
Why is it that we have a very good idea what a mammoth looked like?
  1. Cave drawing have been found of a mammoth.
  2. Scientists have cloned a mammoth.
  3. We do NOT have a good idea what a mammoth looked like.
  4. Frozen mammoths have been found in Siberia and other parts of the world.
Grade 8 Historical Geology
Scientists determine the absolute age of a fossil by
  1. identifying the kind rock they are found in.
  2. studying where it is found.
  3. measuring its size and shape.
  4. measuring its radioactivity.
Grade 8 Historical Geology
What does trilobite mean?
  1. three legs
  2. three eyes
  3. three brains
  4. three lobes
Grade 8 Historical Geology
Which of these is not a dinosaur by the strictest definition of the term?
  1. Plesiosaurus
  2. Apatosaurus
  3. Stegosaurus
  4. Velociraptor
Grade 8 Historical Geology
Whether a fossil formed before or after another fossil is described by its
  1. relative age.
  2. absolute age.
  3. fossil record.
  4. radioactive age.
Grade 8 Historical Geology
Which is not part of the fossil record?
  1. fossil bones
  2. preserved remains
  3. living unicellular organisms
  4. imprints
Grade 8 Historical Geology
Which is a possible explanation for mass extinctions?
  1. Earth had no water.
  2. A meteorite collided with Earth.
  3. The continents separated.
  4. Woolly mammoths left no offspring.
Grade 8 Historical Geology
What is the geologic time scale?
  1. weight scale used to weight fossils
  2. a record of the life forms and geological events in Earth's history
  3. records of one cell organism
  4. a unit of periods
Grade 8 Historical Geology
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