Geologic Time Scale

Front

What process made the Geologic Time Scale more specific?

Back

Radioactive dating.

Tags

NGSS.MS-ESS1-4

Front

Which era is known as the 'age of the fish'?

Back

Paleozoic Era.

Front

What dating method was originally used to create the Geologic Time Scale?

Back

Relative dating.

Tags

NGSS.MS-ESS1-4

Front

In which era are we currently living?

Back

Cenozoic Era.

Front

What major animal progression occurred during the Paleozoic Era?

Back

1) Early invertebrates like brachiopods and trilobites 2) First fish 3) Arachnids and insects 4) First amphibians 5) Reptiles dominant near end.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Front

What major plant progression occurred during the Paleozoic Era?

Back

1) Early land plants like mosses, ferns, and cone-bearing plants 2) By end, seed-bearing plants common.

Front

What is the significance of the Cenozoic Era in the Geologic Time Scale?

Back

It is the current era, characterized by the dominance of mammals and flowering plants.

Tags

NGSS.HS-LS4-5

Front

What are the three main eras of the Geologic Time Scale?

Back

Paleozoic, Mesozoic, and Cenozoic.

Tags

NGSS.MS-ESS1-4

Front

What is relative dating in geology?

Back

A method of determining the age of rocks and fossils in relation to one another.

Tags

NGSS.MS-ESS1-4

Front

What is the difference between relative dating and absolute dating?

Back

Relative dating places events in order without providing an exact age, while absolute dating provides a specific age or date.

Tags

NGSS.MS-ESS1-4