Fossils and Strata

When scientists are trying to compare things to see which geological artifacts are older or younger rather than find the actual age of something, this is called ____________.

• relative dating

• geologica dating

• approximate dating

• absolute dating

Scientific study of rock layers

• Archeology

• Stratigraphy

• Paleontology

• Geology

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

What scientific law tells us that in rock strata, the oldest layer is at the bottom and the youngest layer is at top?

• Cross-cutting

• Original Horizontality

• Superposition

• Unconformities

Tags

NGSS.MS-ESS1-4

Fossils such as footprints, burrows or droppings.

• Index Fossils

• Unconformities

• Petrified Wood

• Trace fossils

Fossils made from organisms that were fairly common and existed only during a certain span of time, used to determine the age of rock layers.

• Index Fossils

• Unconformities

• Inclusions

• Trace Fossils

Tags

NGSS.MS-ESS1-4

List from youngest to oldest

• ECADB

• CABED

• BADCE

• BDACE

Tags

NGSS.MS-ESS1-4

In this diagram, what scientific law tells us that rock layer E is older than rock layer C?

• Cross-cutting

• Superposition

• Inclusions

• Unconformities

Tags

NGSS.MS-ESS1-4

List from youngest to oldest

• BAECD

• DCEAB

• CEABD

• ACEDB

Tags

NGSS.MS-ESS1-4

In the diagram, what does letter D represent?

• A rock layer

• An earthquake

• An unconformity

• An inclusion

Tags

NGSS.MS-ESS1-4

Which layer is oldest?

• A
• W
• G
• Z

Tags

NGSS.MS-ESS1-4