Topic 8 History of Earth

Topic 8

History of Earth

Multiple Choice

How many eras are in the geologic time scale? (Remember: You can use pictures from previous questions to help you with this question.)

• 2

• 3

• 4

• 6

Multiple Choice

Which of the following questions could be answered by a scientist studying the Earth's layers?

• Which organism lived at the same time?

• What did Trilobites eat?

• Are reptiles ancestors of birds?

• Why did dinosaurs become extinct?

Multiple Choice

A fossil of a fish was found in a layer of rock that is located near the top of a mountain.  What might a scientist conclude about the history of this area?

• An earthquake once struck the area
• A volcano once erupted in the area.
• A forest covered the area.
• A sea once covered the area.

Multiple Choice

Fossils found in the lowest rock layer (bottom layer) are the youngest

• True

• False

Multiple Choice

What type of rock are fossils usually found in?

• volcanic
• metamorphic
• sedimentary
• igneous

Multiple Choice

^{Which rock layer is the youngest?}

• A
• B
• C
• D

Multiple Choice

The fossil record provides important scientific information such as......

• What organisms have lived on Earth.
• How organisms have changed over time
• Which organisms have became extinct.
• All of the above.

Multiple Choice

What can you learn from studying fossils?

• How earthquakes have formed

• How mountain ranges have changed

• How earth was formed

• How environments have changed throughout history

Multiple Choice

The preserved remains or trace of an organism that was once living

• Fossil

• Rock Strata

• Stratigraphy

• Fossil Record

Multiple Choice

Which of the following conclusions can be drawn from the data in this diagram?

• Jellyfish and trilobites never competed for resources.

• Trilobites and dinosaurs did not live at the same time.

• Most mammals are in competition with birds for resources.

• Mammals did not appear until after the dinosaurs went extinct.

Multiple Choice

The basalt intrusion occurred...

• after the limestone was deposited.

• before the granite was formed.

• before the limestone was deposited.

• before all three layers were formed.

Multiple Choice

According to the law of superposition, which layer is the youngest?

• A
• B
• C

Multiple Choice

_{Which rock layer in the diagram seems to be the oldest?}

• F
• E
• B
• A

Multiple Choice

According to the law of superposition, the oldest fossils are found 

• At the top of the rock layers
• Near the bottom of the rock layers
• In the middle of the rock layers
• Somewhat near the surface

Multiple Choice

The Law of Superposition helps scientists to determine what?

• The absolute age of rock layers
• The age of fossils
• The relative age of sedimentary rock layers
• the super powers of rocks

Multiple Choice

T/F? The climates change over time.

• True
• False

Multiple Choice

Index fossils are useful for determining the relative age by ...

• a narrow time range and a wide geographic range
• a narrow time range and a narrow geographic range

Multiple Choice

The bottom layer of rock is

• the oldest
• has fossils

Multiple Choice

unconformities

• gaps in the rock sequence

• not this one

• don't choose this one

• these are not trick answers, I seriously gave you a free one

Multiple Choice

states that younger rock is found above older rock when comparing undisturbed sedimentary rock layers

• law of superposition

• trace fossil

• matter can't be created or destroyed

• atoms

Multiple Choice

Name the 4 time frames in order from oldest to youngest.

• Precambrian Time, Paleozoic Era, Mesozoic Era, Cenozoic Era
• Mesozoic Era, Precambrian time, Cenozoic Era, Paleozoic Era
• Paleozoic Era, Mesozoic Era, Precambrian Time, Cenozoic

Multiple Choice

The Geologic Time Scale is a record of what?

• old geologists
• sweet geology music
• the known history of rocks and fossils
• a list of every living thing ever

Multiple Choice

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

• Fossil

• Pangea

• Bob

• Tectonic plates

Multiple Choice

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

• Fossil

• Pangea

• Bob

• Tectonic plates