Fossils & Geological Time

In this image which layer of SEDIMENTARY ROCK is the oldest? 

• Shale (A)

• Sandstone (C)

• Limestone (F)

• Dolomite (B)

Tags

NGSS.MS-ESS1-4

Fill in the blank: 

The --------------------  of a rock layer is its age in comparison with other rock layers, such as layer A is younger than layer B.

• Relative Age

• Absolute Age

• Exact Age

Tags

NGSS.MS-ESS1-4

Which letter represents an intrusion of magma coming from the mantle, that has cooled and hardened into igneous rock?

• Layer A

• Layer B

• Layer C

• Layer D

Tags

NGSS.MS-ESS2-1

If the fossil of an organism is found in multiple vertical layers of rock like fossil C then what is true? 

• The organism lived for a short period of time

• The organism lived for a long period of time

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

What are two important characteristics of index fossils? Check off 2. 

• When alive, the organisms lived in many locations.

• When alive, the organisms lived for long periods of time

• When alive, the organisms lived for shorter periods of time

• Index fossils are rare and hard to find

Tags

NGSS.MS-LS4-1

The Law of Superposition states that older sedimentary rock layers lie ___________ younger sedimentary rock layers.

• Above

• Below

Tags

NGSS.MS-ESS1-4

Matching layers from different locations based on shared index fossils means that those layers

• Must have come from the same location originally

• Must have been formed around the same time

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

Describe the Relative Age of layer B

• Layer B is younger than layer A and older than layer C

• Layer B is 200 million years old

• Layer B is the youngest layer

• Layer B is younger than layer C but older than layer A

Tags

NGSS.MS-ESS1-4

The Geological Time Scale is a timeline of events from Earth's history, that links ___________ to time.

• Dinosaurs

• Rock Layers

• Animals

• Weathering

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

What fossil from these three outcrops would make the best index fossil? 

• Gastropod

• Trilobite

• Fern

• Ammonite

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1