Fossils and Relative dating of rocks

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

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

Fossils such as footprints, burrows or droppings.

• Index Fossils

• Unconformities

• Petrified Wood

• Trace fossils

A gap in the sequence of sedimentary rock layers caused by erosion.

• Inclusion

• Unconformity

• Cross-cutting

• Isotope

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

When scientists used half-life, radiometric dating or carbon dating, what are they trying to determine about geological artifact?

• Relative age

• Sequential age

• Approximate age

• Absolute age

List from youngest to oldest

• ECADB

• CABED

• BADCE

• BDACE

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

• Cross-cutting

• Superposition

• Inclusions

• Unconformities

In the diagram, what does letter D represent?

• A rock layer

• An earthquake

• An unconformity

• An inclusion

Which layer is oldest?

• A

• W

• G

• Z