Relative Dating

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What is Relative Dating?

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Relative Dating is a method used to determine the age of rocks and fossils in relation to one another, without determining their exact age.

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What does the Law of Superposition state?

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The Law of Superposition states that in undisturbed rock layers, the oldest rocks are at the bottom and the younger rocks are at the top.

Tags

NGSS.MS-ESS1-4

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What is an Igneous Intrusion?

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An Igneous Intrusion is a body of igneous rock that forms when magma cools and solidifies beneath the Earth's surface.

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NGSS.HS-ESS2-3

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What is Faulting?

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Faulting is the process where rocks break and move along a fracture, often causing earthquakes.

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NGSS.HS-ESS1-5

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What is Deposition?

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Deposition is the process by which sediments settle out of a transporting medium, such as water or air, and accumulate in layers.

Tags

NGSS.MS-ESS2-2

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What is a Conglomerate rock?

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Conglomerate is a sedimentary rock composed of rounded fragments of various sizes cemented together.

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What is Shale?

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Shale is a fine-grained sedimentary rock formed from compacted mud and clay.

Tags

NGSS.MS-ESS2-1

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What is the significance of fossils in Relative Dating?

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Fossils help to determine the relative ages of rock layers and can indicate the environment in which the rocks were formed.

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

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What is Unconformity?

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Unconformity is a gap in the geological record that represents a period of erosion or non-deposition.

Tags

NGSS.MS-ESS1-4

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What is the difference between Intrusion and Extrusion?

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Intrusion refers to magma that cools and solidifies underground, while extrusion refers to lava that erupts and cools on the surface.