Dinosaur Extinction Theories

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Across
  1. 2. disappearance of a species
  2. 6. study of Earth’s magnetic field recorded in rock.
  3. 8. time period after Jurassic period; 145 to 66 mya (million years ago)
  4. 9. scientific explanation based on repeated experimentation and observation.
  5. 10. molten rock beneath Earth’s surface
Down
  1. 1. tectonic plate under land areas
  2. 3. process of one tectonic plate going under another plate
  3. 4. land
  4. 5. fragment of comet or asteroid that glows as it enters Earth’s atmosphere
  5. 7. magma once it is on surface of the Earth