Geologic Time Scale and Fossils

The standard method used to divide the Earth's long history into manageable parts

• relative age

• geologic time scale

• fossil record

• Permian extinction

Tags

NGSS.MS-ESS1-4

method used to determine the age of rocks by comparing rocks with younger and older rock layers

• extinction

• fossil record

• relative age

• geologic time scale

Tags

NGSS.MS-ESS1-4

The law that states that each rock layer is newer than the one below it.

• law of superposition

• law of conservation of mass

• law of conservation of energy

• law of relativity

Tags

NGSS.MS-ESS1-4

a fossil that is used to establish the age of a rock layer because the fossil is distinct, abundant, and widespread and the species that formed that fossil existed for only a short span of geologic time

• index fossil

• fossil record

• fossil

• relative age

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Which fossil is an impression left by the original organism?

• cast
• mold
• trace
• preserved remains

Tags

NGSS.MS-LS4-1

Which fossil is a replica of the original shape of the organism?

• cast
• mold
• trace
• preserved remains

Tags

NGSS.MS-LS4-1

A bug stuck in amber is an example of what type of fossil?

• cast
• mold
• trace
• preserved remains

Tags

NGSS.MS-LS4-1

What is a trail, track or burrow left behind by an animal that later fossilized?

• A trace fossil
• A carbon film
• A petrified fossil
• An extrusion

Tags

NGSS.MS-LS4-1

According to the law of superposition, which layer is the youngest?

• A
• B
• C

Tags

NGSS.MS-ESS1-4

Looking at the diagram, which layer is the oldest?

• dolomite
• limestone
• basalt
• beach sand

Tags

NGSS.MS-ESS1-4