Earth Science NC Check In Review

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

• Layer A (the topmost layer)

• Layer B (the second layer)

• Layer C (the third layer)

• Layer D (the bottom layer)

Tags

NGSS.MS-ESS1-4

What are the three main types of rocks?

• Igneous, sedimentary, and metamorphic.

• Granite, limestone, and basalt.

• Clay, silt, and sand.

• Volcanic, crystalline, and organic.

What is the longest subdivision of geologic time?

• Era

• Period

• Eon

• Epoch

Tags

NGSS.MS-ESS1-4

What is the rock cycle?

• A process involving the continuous formation, breakdown, and reformation of rocks.

• A method of classifying rocks based on their mineral content.

• A geological phenomenon that only affects igneous rocks.

• A cycle that describes the movement of tectonic plates.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

What is the role of fossils in understanding Earth's history?

• Fossils provide evidence of past life and environments, helping scientists reconstruct Earth's history and the evolution of life.

• Fossils are used to date rocks and determine their age.

• Fossils are primarily used to identify mineral deposits.

• Fossils serve as a source of energy for geological processes.

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

NGSS.MS-ESS2-3

NGSS.MS-LS4-2

What is an Index Fossil?

• A fossil that is used to identify and define a specific geologic time period.

• A fossil that is found only in one specific location.

• A fossil that is used to date rocks based on their color.

• A fossil that is abundant but existed for a long duration.

How does sedimentary rock form?

• It forms from volcanic activity and cooling of lava.

• It forms from the accumulation and compaction of mineral and organic particles over time.

• It forms from the metamorphosis of igneous rock under extreme pressure.

• It forms from the crystallization of minerals in molten magma.

Define Eon in geological terms.

• A period of time lasting a few years

• The largest division of geological time, lasting hundreds of millions to billions of years

• A type of rock formation

• A specific event in Earth's history

Tags

NGSS.MS-ESS1-4

What is the process of weathering?

• The process of plants growing in rocks.

• The breakdown of rocks into smaller pieces due to environmental factors like wind, water, and temperature changes.

• The formation of new rocks from molten lava.

• The movement of rocks from one place to another by glaciers.

What is the difference between a Mold Fossil and a Cast Fossil?

• A Mold Fossil is a type of fossil that is always found in water, while a Cast Fossil is found on land.

• A Mold Fossil is an impression of an organism left in sediment, while a Cast Fossil is formed when sediment fills the mold and hardens into rock.

• A Mold Fossil is created by the decay of an organism, while a Cast Fossil is formed by the compression of layers of rock.

• A Mold Fossil is a fossil that contains the original material of the organism, while a Cast Fossil is a replica made from the original fossil.

Tags

NGSS.MS-LS4-1