Topic 6 Science

What is the first step in the sequence of events showing how a body fossil formed:?

• An organism dies

• Soft tissue decays

• Bones are replaced by minerals

• A fossil forms

What is the last step in the sequence of events showing how a body fossil formed:?

• An organism dies

• Soft tissue decays

• Bones are replaced by minerals

• A fossil forms

What evidence is shown in the picture to support the fact that Grand Canyon rocks are examples of sedimentary strata?

• The rocks are near a riverbed.

• The layers of rock are in vertical patterns.

• The layers of rock are in horizontal patterns.

• he rocks have smooth edges.

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

What era is the saber-toothed tiger from?

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

Tags

NGSS.MS-LS4-1

What era is the trilobite from?

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Which layer is the oldest?

• A

• B

• C

• D

Tags

NGSS.MS-ESS1-4

Land fossils can be found between layers of sea animal fossils because ___ levels go up and down.

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

The diagram shows rock layers with index fossils. Which two index fossils show that the layers of the key beds were formed at the same time?

• A

• B

• C

• D

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

What is the best explanation of how the rock strata shifted?

• Weathering flipped over the rock strata.

• Folding bent the layers and formed mountains.

• An earthquake shifted the rock strata downward.

• edimentary rock was deposited over the rock layers.

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Which layer is the oldest?

• 1

• 2

• 3

• 4

• 5

Tags

NGSS.MS-ESS1-4