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T. Rex And The Crater Of Doom by Walter Alvarez
Contributed by: Lea
  • 1. What major theory does Walter Alvarez propose in the book?
A) Dinosaurs evolved into birds
B) Asteroid impact caused the extinction of dinosaurs
C) Ice Age caused dinosaur extinction
D) Volcanic eruptions led to climate change
  • 2. What element is found in high concentrations at the K-T boundary?
A) Gold
B) Carbon
C) Iridium
D) Titanium
  • 3. What was the immediate effect of the asteroid impact?
A) Tsunamis
B) Global wildfires
C) Earthquakes
D) Flooding of the earth
  • 4. Which group of dinosaurs is specifically mentioned in the title?
A) Triceratops
B) Tyrannosaurus rex
C) Velociraptors
D) Brachiosaurus
  • 5. What did Alvarez use to support his theory of the asteroid impact?
A) Fossilized remains
B) Biological adaptations
C) Geological evidence
D) Meteorological data
  • 6. Which of the following geological periods did the extinction event occur at the end of?
A) Triassic
B) Jurassic
C) Cretaceous
D) Paleocene
  • 7. What did the iridium layer indicate?
A) Volcanic activity
B) Continental drift
C) Extraterrestrial impact
D) Meteor shower
  • 8. How did other scientists initially react to Alvarez’s theory?
A) Indifferent
B) Supportive
C) Skeptical
D) Enthusiastic
  • 9. Which term refers to the scientific study of fossils?
A) Anthropology
B) Paleontology
C) Geology
D) Archaeology
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