8.E.2.1

Front

What is a time that consists of 3 eons?

Back

Proclamation.

Tags

NGSS.MS-ESS1-4

Front

What is divided by periods?

Back

Era.

Tags

NGSS.MS-ESS1-4

Front

What law states that younger layers are on top of older layers?

Back

Law of Superposition.

Tags

NGSS.MS-ESS1-4

Front

Which group of animals were dominant during certain geological periods?

Back

Mammals.

Tags

NGSS.MS-LS4-1

Front

What term describes animals or humans that have died out?

Back

Extinction.

Tags

NGSS.MS-LS4-1

Front

What is the longest division of geological time?

Back

Eon.

Tags

NGSS.MS-ESS1-4

Front

What is the second longest division of geological time?

Back

Era.

Tags

NGSS.MS-ESS1-4

Front

What is the shortest division of geological time?

Back

Period.

Tags

NGSS.MS-ESS1-4

Front

What is the term for the process of determining the age of rocks or fossils?

Back

Dating.

Front

What is the term for the extinction of a species?

Back

Extinction.

Tags

NGSS.MS-LS4-1