GRADE 11: L9-L10 EARTH AND LIFE SCIENCE

Is the time line of the history of the Earth, based from the rock record.

• Geologic Time Scale

• Biologic Time Scale

• Rotation Scale

• Temperature Scale

It shows the geologic time intervals based on the geologic rock records, which describe the relationships between the events that happened throughout the Earth's history.

• Geologic Time Scale

• Biologic Time Scale

• Rotation Scale

• Temperature Scale

Geologic Time scale has:

• 4 major divisions

• 10 major divisions

• 5 major divisions

• 3 major divisions

Is the longest portions in the geologic time.

• Eon

• Era

• Period

• Epoch

This accounts the 88% if Earth's history.

• Phanerozoic

• Proterozoic

• Holocene

• Precambrian

Precambrian divisions are:

• Hadean, Archean, Proterozoic

• Triassic, Jurassic, Cretaceous

• Quaternary, Neogene, Paleogene

• Cenozoic, Mesozoic, Paleozoic

Divisions of Phanerozoic:

• Hadean, Archean, Proterozoic

• Cenozoic, Mesozoic, Paleozoic

• Quaternary, Neogene, Paleogene

• Triassic, Jurassic, Cretaceous

Age of Amphibians

• Permian

• Devonian

• Silurian

• Cambrian

Also known as the age of dinosaurs

• Paleozoic

• Ceonozoic

• Proterozoic

• Mesozoic

Age of Fishes

• Devonian

• Triassic

• Ordovician

• Permian