EARTH 9(B): Past History

Multiple Choice

Which is the most recent era of time- the one that we are currently in?

• Mesozoic 
• Paleozoic 
• Cenozoic 
• Precambrian 

Multiple Choice

Which era is known as the "age of reptiles"

• Paleozoic Era
• Cenozoic Era
• Mesozoic Era
• Precambrian Era

Multiple Choice

The Era when humans first appeared was...

• Cenozoic
• Mesozoic
• Paleozoic
• Precambrian

Multiple Choice

The time span that lasted the longest was the...

• Precambrian
• Paleozoic
• Mesozoic
• Cenozoic

Multiple Choice

Which era is known as the "age of mammals"

• Cenozoic Era
• Precambrian Era
• Paleozoic Era
• Mesozoic Era

Multiple Choice

The single land mass that existed about 245 million years ago is named what?

• Fossil
• Pangea
• Bob
• Tectonic plates

Multiple Choice

Pangaea broke up during the 

• Paleozoic
• Mesozoic
• Cenozoic
• Precambrian

Multiple Choice

During which era did the ice ages occur?

• Precambrian 
• Paleozoic
• Mesozoic
• Cenozoic

Multiple Choice

The longest units of geologic time are

• eons

• eras

• periods

• epochs

Multiple Choice

According to the Law of ______________, sedimentary rock

layers are laid down on top of each other. In

order for the rock layer to form, a layer of rock must have existed below it.

• Superposition

• Horizontality

• Unconformities

• Uniformitarianism

Multiple Choice

Which layer is the oldest?

• A

• B

• C

• D

Multiple Choice

Layer B on side #1 (left) is a match to which layer on side #2 (right)?

• z

• y

• w

• there is no match

Multiple Choice

How does the law of crosscutting explain the age of a fault?

• The fault is younger than the rocks above it.
• The fault is younger than the rocks it cuts through.
• The fault is older than the rocks above it.
• The fault is older than the rocks it cuts through.

Multiple Choice

The diagram shows fossils and rock features...

Which is younger than the clam fossil?

• Layer Z

• Broadleaf

• Reptile bone

• Intrusion X

Multiple Choice

Which of the fossils is the oldest?

• Dinosaur

• Bird

• Shell

• Ammonite