Geologic Time Scale

Analyze the seashell found in the white layer.  Which statement is true of the rock layer that contains this fossil?

• It could also contain a fossil from the bottom layer.
• It is older than the layers below it.
• It is younger than the layers above it.
• It is older than the layers above it.

Tags

NGSS.MS-ESS1-4

What is the correct order of the rock layers from oldest to youngest?

• B, C, D, E, A
• A, B, C, D, E
• E, D, C, B, A
• B, C, D, A, E

Tags

NGSS.MS-ESS1-4

What conditions allow dead organisms to change into fossils?

• Slow burial
• Soft parts present
• Exposure to scavengers
• Hard parts present

What two things in forming igneous and metamorphic rocks would destroy fossil material?

• Heat and water
• Pressure and water
• Sediment and heat
• Heat and pressure

Fossils are most often found in what type of rock?

• Igneous Rock
• Sedimentary Rock
• Metamorphic Rock
• None of the Above

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

In a section of the Grand Canyon, scientists have found the fossils of several different groups of organisms. The diagram represents the number and age of the fossils the scientists found. The width of each shaded area in the diagram indicates the relative number of fossils found.

Which of the following statements is supported by the fossil record?

• Groups C is now extinct.

• Group D has been in existence the longest.

• Groups A is the most recent organism to come into existence.

• Groups B was the most numerous organism 10 million years ago.

Not including the Precambrian, how many Era’s are there?

• 4

• 12

• 3

• 7

Tags

NGSS.MS-ESS1-4

During what Era do we currently live?

• Cenozoic

• Mesozoic

• Paleozoic

• Precambrian

Tags

NGSS.MS-ESS1-4

When did modern man first appear?

• Cambrian Period

• Tertiary Period

• Cretaceous Period

• Quaternary Period

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

How many Periods are there?

• 3

• 16

• 12

• 4