Geologic Time: Discovering Earth's History

What is a principal that states that geologic processes that occurred in the past can be explained by current geologic processes.

• Catastrophism

• Unconformity

• Uniformitarianism

• Angular Unconformity

Any method of determining whether an event or object is older or younger than other events or objects.

• Relative Dating

• Absolute Dating

• Isotope

• Speed Dating

Tags

NGSS.MS-ESS1-4

A break in the geologic record created when rock layers are eroded or when sediment is not deposited for a long period of time.

• Disconformity

• Monoconformity

• Unconformity

• Angular Unconformity

Tags

NGSS.MS-ESS1-4

A principle that states geologic change occurs suddenly.

• Catastrophe

• Castrophism

• Uniformitarianism

• Uniform

Tags

NGSS.MS-ESS3-2

A principle that states that younger rocks lie above older rocks if the layers have not been disturbed.

• geology

• The geologic column

• The fossil record

• Superposition

Check all of the examples of catastrophism

• weathering

• erosion

• tornado

• volcanic eruption

• hurricane

Tags

NGSS.MS-ESS3-2

Check all examples of uniformitarianism

• erosion

• weathering

• tectonic plate movement

• deposition

• volcanic eruption

Tags

NGSS.MS-ESS2-2

________________ states that the Earth's geological processes (Seafloor Spreading, Continental Drift, Erosion) have happened at the same rate.

• Uniformitarianism
• Catastrophism
• Gradualism
• Law of Superposition

________________ states that the Earth has gone through short, sudden, and worldwide events which cause large scale disruptions.

• Uniformitarianism
• Catastrophism
• Gradualism
• Law of Superposition

Tags

NGSS.MS-ESS3-2

Which of the following may help cause mass extinctions?

• global warming

• global cooling

• asteroids striking the Earth

• all of these

Tags

NGSS.MS-LS4-1