Earth History

Which layer formed first?

• Rock Layer W

• Rock Layer X

• Rock Layer Y

• Rock Layer Z

Tags

NGSS.MS-ESS1-4

Which animal part would most likely form a fossil?

• Muscle 

• Fur

• Lung

• Bone 

Tags

NGSS.MS-LS4-1

Principle that states in a sequence of undisturbed rocks, the oldest rocks are on the bottom and the rocks become progressively younger toward the top 

• superposition 

• uniformitarianism

• half-life

Tags

NGSS.MS-ESS1-4

Fossils of species that existed for  short periods and were widespread 

• trace fossils 

• index fossils 

• original remains 

Tags

NGSS.MS-LS4-1

Which of the following occurred relatively most recently?

• Basalt intrusion

• Breccia

• Conglomerate

• Sandstone

Tags

NGSS.MS-ESS1-4

What is the relative age of a rock?

• The age determined by the things around it.

• The age of an igneous rock.

• The age determined by radioactive dating.

• The time it takes for 1/2 of the radioactive atoms to decay in an element.

Tags

NGSS.MS-ESS1-4

What is the absolute age of a rock?

• The age determined by the things around it.

• The age of an igneous rock.

• The age determined by radioactive dating.

• The time it takes for 1/2 of the radioactive atoms to decay in an element.

Tags

NGSS.MS-ESS1-4

A unit of geologic time that subdivides eras

• period

• time span

Tags

NGSS.MS-ESS1-4

Which Era has the most complex organisms?

• Cenozoic

• Mesozoic

• Paleozoic

• Quaternary

Tags

NGSS.MS-LS4-1

How many years ago did the Mesozoic Era begin?

• 245 years

• 245 million years

• 65 years

• 65 million years