Unit 2 Vocab Quiz

What is the largest unit on the geologic time scale?

• Era

• Period

• Eon

• Supereon

Tags

NGSS.MS-ESS1-4

Which division of Earth's history spans hundreds of millions to billions of years?

• Eon

• Epoch

• Period

• Era

Tags

NGSS.MS-ESS1-4

What is a major division of geologic time that is shorter than an eon but longer than a period?

• Era

• Epoch

• Period

• Supereon

Tags

NGSS.MS-ESS1-4

Which subdivision of a geologic era represents a span of tens to hundreds of millions of years?

• Era

• Eon

• Period

• Epoch

What is a subdivision of a geologic period, spanning millions of years?

• Period

• Epoch

• Era

• Supereon

Tags

NGSS.MS-ESS1-4

What theory explains the formation of the moon?

• Evolution Theory

• Giant Impact Theory

• Big Bang Theory

• Plate Tectonics Theory

What term describes the event when many groups of organisms disappear from the rock record at about the same time?

• Cambrian Explosion

• Relative Dating

• Radiometric Dating

• Mass Extinction

Tags

NGSS.MS-LS4-1

What is the sudden appearance of a diverse collection of organisms in the Cambrian fossil record called?

• Giant Impact Theory

• Cambrian Explosion

• Index Fossil

• Mass Extinction

Tags

NGSS.MS-LS4-1

Which dating method measures the decay of radioactive isotopes in rocks?

• Radiometric Dating

• Trace Fossil

• Relative Dating

• Index Fossil

Tags

NGSS.HS-PS1-8

Which dating method uses comparison to determine the order in which objects were formed?

• Absolute Dating

• Index Fossil

• Radiometric Dating

• Relative Dating