Earth's History

What have scientists discovered about the evolution of life on Earth through fossil records?

• Only animals have evolved over time

• Both animals and plants have evolved over time

• Only plants have evolved over time

• Neither animals nor plants have evolved over time

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NGSS.MS-LS4-1

NGSS.MS-LS4-2

What can a scientist infer if they determine the relative age of a rock layer?

• The type of organisms that lived during that period

• The exact year the rock was formed

• The relative age of fossils found within that layer

• The chemical composition of the rock

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NGSS.MS-ESS1-4

What environmental conditions are essential for fossilization to occur?

• Rapid burial and low oxygen levels

• High temperatures and acidic soil

• Slow sedimentation and high oxygen levels

• Rapid decay and alkaline conditions

What do bent, folded, or faulted rock layers suggest about the geological history of an area?

• That the area has always been geologically stable

• That the area has experienced significant tectonic activity, such as earthquakes, which caused stress and deformation of the rock layers

• That the rock layers are composed entirely of igneous rock

• That the area has never been affected by external forces

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NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

What evidence supports the idea that the continents were once joined together in a supercontinent? (More than one possible answer)

• The shapes of some continents suggest they could fit together like puzzle pieces

• Similar rock formations are found on continents that are now far apart

• Historical maps show the continents as a single landmass

• Identical fossils have been discovered on continents separated by oceans

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What does the discovery of similar fossils in different continents suggest?

• Continents have always had the same climate

• Continents have always been separated by oceans

• Continents were once part of a larger landmass

• Continents have never experienced geological changes

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NGSS.MS-ESS2-3

NGSS.MS-LS4-1

How does the principle of uniformitarianism support the idea that tectonic plate movements have played a crucial role in shaping Earth's geological features over extensive periods?

• By demonstrating that the presence of marine fossils in mountainous regions indicates that these areas were once underwater, suggesting tectonic uplift and plate movement.

• By showing that Earth's surface has remained unchanged, with no evidence of tectonic activity or geological transformations.

• By proving that only volcanic eruptions have altered Earth's surface, with no involvement of tectonic processes.

• By indicating that only wind and water erosion have shaped Earth's surface, excluding any tectonic influences.

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NGSS.MS-ESS2-3

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

According to the theory of plate tectonics, the movement of Earth's plates is responsible for various geological phenomena. Which of the following observations supports this theory?

• Similar rock formations and fossils are found on the coasts of South America and Africa

• A hurricane causes widespread damage along the Gulf Coast

• The Grand Canyon was formed by the Colorado River over millions of years

• Deforestation leads to soil erosion and loss of habitat

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NGSS.MS-ESS2-3

What is the principle of uniformitarianism in geology?

• The idea that Earth's features are static and never change

• The belief that Earth's geological features were created by sudden, short-term catastrophic events

• The concept that the same natural processes we observe today, such as erosion and sedimentation, have been occurring throughout Earth's history, shaping its geological features over long periods

• The theory that Earth's geological features are influenced only by human activities

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NGSS.MS-ESS2-1