geologic time scale. divisions of time eon: (years) longest period of time era: (months) second...

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GEOLOGIC TIME SCALE

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EVENTS OF GEOLOGIC TIME  Precambrian- Boiling rock, 2 continents, single celled life  Cenozoic-Pangea forms, Explosion of Marine life, Life moves to land, Reptiles, Amphibians and Insects Appeared.  Mesozoic-Pangea breaks apart,Age of the dinosaurs, Pines Trees and Ferns  Paleozoic-Present day Earth, Age of Mammals

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Page 1: GEOLOGIC TIME SCALE. DIVISIONS OF TIME  Eon: (years) longest period of time  Era: (months) second largest division of time made up of 2 or more periods

GEOLOGIC TIME SCALE

Page 2: GEOLOGIC TIME SCALE. DIVISIONS OF TIME  Eon: (years) longest period of time  Era: (months) second largest division of time made up of 2 or more periods

DIVISIONS OF TIME

Eon: (years) longest period of time

Era: (months) second largest division of time made up of 2 or more periods.

Period: (weeks) third division of time.

Epoch: (days) smallest division of time.

Page 3: GEOLOGIC TIME SCALE. DIVISIONS OF TIME  Eon: (years) longest period of time  Era: (months) second largest division of time made up of 2 or more periods

EVENTS OF GEOLOGIC TIME

Precambrian- Boiling rock, 2 continents, single celled life

Cenozoic-Pangea forms, Explosion of Marine life, Life moves to land, Reptiles, Amphibians and Insects Appeared.

Mesozoic-Pangea breaks apart,Age of the dinosaurs, Pines Trees and Ferns

Paleozoic-Present day Earth, Age of Mammals