Fossils and Rock Strata

Studying the strata of the Earth can tell us

• how old animals are

• how old rock layers are

• how the Earth formed

Tags

NGSS.MS-ESS1-4

Does this diagram show evidence of earthquake activity in this area?

• Yes because the strata are all straight

• Yes because more than one layer is seen

• No because the strata are all straight

• No because more than one layer is seen

Tags

NGSS.MS-ESS1-4

This area was most likely found

• At the top of a mountain

• Near an active fault zone

• Near an ocean or coastline

• By an active volcano

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

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

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

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

• Cross-cutting

• Inclusions

• Superposition

• Unconformities

Tags

NGSS.MS-ESS1-4

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 aging

• Geologica aging

• approximate aging

• absolute aging

Scientific study of rock layers

• Archeology

• Stratigraphy

• Paleontology

• Geology

Tags

NGSS.MS-ESS1-4

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