11.2 WS

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What are natural laws?

Back

Natural laws are principles that describe the consistent and universal behaviors of the natural world, which do not change over time.

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NGSS.HS-PS1-1

NGSS.HS-PS2-1

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Who was Steno and what was his contribution to geology?

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Steno was a geologist who explained how marine fossils could be found on mountains, supporting the idea of geological change over time.

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NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

NGSS.MS-LS4-1

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What do fossils in a rock layer represent?

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Fossils in a rock layer represent the organisms that lived during the time the rock was formed.

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NGSS.MS-ESS1-4

NGSS.MS-LS4-1

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Who is often referred to as the father of modern geology?

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William Smith is often referred to as the father of modern geology, but this statement is false; he is known for his work in stratigraphy.

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What does the principle of cross-cutting relationships state?

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The principle of cross-cutting relationships states that a geological feature (like a river) that cuts through other layers must be younger than the layers it disrupts.

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What is uniformitarianism?

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Uniformitarianism is the principle that the processes that operate today also operated in the past, suggesting that the same natural laws apply throughout time.

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NGSS.MS-ESS3-1

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What is the principle of superposition?

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The principle of superposition states that in undisturbed rock layers, the oldest layers are at the bottom and the youngest are at the top.

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NGSS.MS-ESS1-4

Front

What is relative age in geology?

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Relative age is the age of a rock or fossil in comparison to other rocks or fossils, without determining its exact age.

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NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Front

What is the significance of marine fossils found on mountains?

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The presence of marine fossils on mountains indicates that those areas were once underwater, providing evidence for geological changes over time.

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NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Front

How do fossils help in understanding Earth's history?

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

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NGSS.MS-LS4-1

NGSS.MS-LS4-2