WRS Earths History Vocabulary

THE PRESERVED REMAINS OR EVIDENCE OF LIVING THINGS

• Fossils

• Rocks

• Extrusions

• Bones

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

THE IDEA THAT LIFE ON EARTH CHANGES VIOLENTLY AND SUDDENLY

• Unconformity

• Uniformitarianism

• Catastrophism

• Law of Superposition

Tags

NGSS.MS-LS4-1

States that the geologic processes that occur today are similar to those that have occurred in the past.

• Unconformity

• Uniformitarianism

• Catastrophism

• Law of Superposition

States that in undisturbed horizontal sedimentary rocks, the bottom layer is the oldest and every layer above it is increasingly younger.

• Unconformity

• Law of Cross Cutting Relationships

• Catastrophism

• Law of Superposition

Tags

NGSS.MS-ESS1-4

AN AREA WHERE ROCK HAS ERODED AWAY, PRODUCING A GAP IN THE GEOLOGICAL RECORDS.

• Unconformity

• Uniformitarianism

• Law of Cross Cutting Relationships

• Law of Superposition

A relative dating technique which states that the geologic feature which cuts through another is the younger of the two features.

• Unconformity

• Law of Cross Cutting Relationships

• Law of Unified Strata

• Law of Superposition

THE FOSSILIZED CARBON OUTLINE OF AN ORGANISM.

• Carbon Film

• Molds and Casts

• Trace Fossils

• Petrified Fossils

When an organism dies, is buried and dissolves, Sediments and minerals fill in the open space recreating the shape of the organism.

• Carbon Film

• Molds and Casts

• Trace Fossils

• Petrified Fossils

Preserved evidence of an organism's activity.

• Carbon Film

• Molds and Casts

• Trace Fossils

• Petrified Fossils

Occurs when the organic matter is completely replaced by minerals and the fossil is turned to stone.

• Trace Fossils

• Molds and Casts

• Petrified Fossils

• Carbon Film