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Gradualism, Mass Extinction, Geologic Time, and Superposition QUIZ (8.ESS2.1)

Authored by Christopher Fay

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Gradualism, Mass Extinction, Geologic Time, and Superposition QUIZ (8.ESS2.1)
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the idea that geologic change occurs slowly over time?

unconformities
gradualism/ gradual change
epicism
rapid change/ catastrophism

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the idea that geologic change occurs suddenly?

Gradualism
geologic breakdown
geologic column
Rapid Change/catastrophism

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A large number of species on Earth became extinct during a short time period about 65 million years ago. Based on this pattern of extinction, which is the MOST likely cause?

gradual climate change
continued climate stability
sudden global climate change
gradual ecosystem succession

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these do scientists offer as the MOST recent explanation as to why many plants and animals died out at the end of the Mesozoic era?

a worldwide disease killed them
mountains were forming globally
mammals began to pray on plants and animals
an asteroid created dust and blocked the sun

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of event usually marks the end of an era?

A mass extinction
An earthquake
A volcanic eruption
A flood

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The geologic time scale is divided into eras. Each era is marked by events that characterize and change life on Earth. Using the time scale below, identify the correct statement below.

New diverse organisms appear after each mass extinction
As time goes on, organisms are getting less complex
Most organisms survive a mass extinction event
All organisms that currently exist have always existed on Earth

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the Law of Superposition, the oldest fossils are found

at the top of rock layers
in the middle of rock layers
at the bottom of rock layers
near the surface of rock layers

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