E.H. Investigation 4 Vocab

Patterns in rock resulting from sand dunes that were blown into patterns by the wind

• crossbedding

• epoch

• formation

A subdivision of a geological period

• crossbedding

• epoch

• formation

Strata with distinguishable characteristics and sequences of sediments

• crossbedding

• epoch

• formation

Tags

NGSS.MS-ESS1-4

The period of time ranging from the formation of Earth about 4.6 billion years ago

• paleozoic

• geologic time

• precambrian

Tags

NGSS.MS-ESS1-4

A fossil that characterizes a particular period of time

• trace fossil

• index fossil

• body fossil

an era when dinosaurs existed; means "middle animal life"

• Paleozoic

• Precambrian

• Cenozoic

• Mesozoic

an era when trilobites, corals, brachiopods, early fish, and early amphibians existed; means "ancient animal life"

• Paleozoic

• Precambrian

• Cenozoic

• Mesozoic

Tags

NGSS.MS-LS4-1

a geologic era; all of Earth's history that occurred before the Paleozoic era

• Paleozoic

• Precambrian

• Cenozoic

• Mesozoic

Tags

NGSS.MS-ESS1-4

an era when mammals exist; means "recent life"

• Paleozoic

• Precambrian

• Cenozoic

• Mesozoic

a broad span of geologic time based on the general type of life existing during that time

• unconformity

• stratigraphy

• fossil record

• cross-section

• era

Tags

NGSS.MS-ESS1-4