1. The first continents, formed during the Archean Era, were smaller than today’s continents and were known as _____________________?


  2. In the Mesoproterozoic portion of the Proterozoic Eon, the Earth may have become covered in ice - a phenomenon known as ___________________________


  3. The first _________________________ were thought to have emerged in the Neoproterozoic portion of the Proterozoic Eon.


  4. In the _______________________________ Explosion, within the Mesozoic Era, lots of new multicellular organisms suddenly appeared - even some with skeletons.


  5. What period is known for the vast amounts of Coal Deposits that formed?
    1.   Devonian
    2.   Silurian
    3.   Carboniferous
    4.   Cambrian
  6. Which period is known as the Age of the Fishes?
    1.   Devonian
    2.   Ordivician
    3.   Permian
    4.   Cambrian
  7. The rise of humans occurred in the ___________________________ Eon.
    1.   Phanerozoic
    2.   Proterozoic
    3.   Archean
    4.   Hadean
  8. The rise of humans occurred in the ___________________________ Era.
    1.   Mesozoic
    2.   Paleozoic
    3.   Cenozoic
    4.   Proterozoic
  9. The rise of humans occurred in the ___________________________ Period.
    1.   Jurassic
    2.   Cretaceous
    3.   Tertiary
    4.   Quaternary
  10. During the _________________________ Period, the supercontinent Pangaea came together.