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Seventh Grade (Grade 7) Historical Geology Questions

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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
Grade 7 Historical Geology
Grade 7 Historical Geology
Grade 7 Historical Geology
fossils have been preserved in
  1. amber
  2. tar
  3. ice
  4. all of these
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
What does finding an oyster fossil in rock layers high on a mountain tell you?
  1. Someone has deliberately transported the material to this site.
  2. The rock layers represent what was once a temperate forest.
  3. The area was once covered by a warm sea.
  4. Oysters live in a mountainous habitat.
Grade 7 Historical Geology
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
Grade 7 Historical Geology
Insect wings can be fossilized most likely by:
  1. carbon imprints
  2. casts
  3. dissolved minerals
  4. molds
Grade 7 Historical Geology
Fossils can be dated by:
  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 responses are correct
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
An example of a trace fossil is a
  1. mammoth tusk
  2. dinosaur footprint
  3. petrified tree log
  4. fly trapped in amber
Grade 7 Historical Geology
Grade 7 Historical Geology
Fossils are almost never found in igneous rock because the organisms that form fossils:
  1. get trapped in sedimentary layers.
  2. require great pressure to form fossils.
  3. are buried under sand.
  4. are destroyed by heat before they can form fossils.
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