Sedimentary Rocks and Fossils

Which layer is the oldest?

• F

• E

• D

• A

• C

Tags

NGSS.MS-ESS1-4

in a sequence of undisturbed sedimentary rocks, the oldest layers are at the bottom and the youngest ones are at the top.

• law of superposition states

• geological columm

• rock cycle

• uniformitariansim

Tags

NGSS.MS-ESS1-4

fossils of widely distributed organisms that lived during only one short period and easy to distinguish from other fossils

• fossil

• original remains

• index fossil

• trace fossil

forms when pieces of older rocks, plants, and other loose material get compacted and cemented together

• igneous rock

• sedimentary rock

• metamorphic rock

• rock cycle

Tags

NGSS.MS-ESS2-4

Select ALL qualifications for an index fossil

• unique

• found over a wide area

• lived during long periods of time

• lived during a short period of time

Number 1 is....

• compacting and cementing

• sedimentary rock

• metamorphic rock

• cooling and hardening

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Which of the fossils in the image would be the oldest?

• The fossil in layer 1

• The fossil in layer 2

• The fossil in layer 3

• All of these fossils are the same age.

Tags

NGSS.MS-ESS1-4

Which of the following statements is correct about the image?

• The fossil in layer 3 is older than the fossil in layer 2.

• The fossil in layer 2 is younger than the fossil in layer 1.

• The fossil in layer 3 is older than the fossil in layer 1.

• The fossil in layer 1 is younger than both fossils in layers 2 and 3.

Tags

NGSS.MS-ESS1-4

________________________ rocks are formed by layers of broken down rocks being pressed together over time.

• igneous

• metamorphic

• sedimantary

• fossil

_______________ are the trace remains of organisms that lived long ago.

• sediments

• igneous rocks

• fossils

• bones

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2