Relative Dating

Relative Dating

Assessment

Flashcard

Science

7th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is Relative Dating?

Back

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

2.

FLASHCARD QUESTION

Front

What does the Law of Superposition state?

Back

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

3.

FLASHCARD QUESTION

Front

What is a fossil?

Back

A fossil is the preserved remains or traces of a once-living organism, often found in sedimentary rock.

4.

FLASHCARD QUESTION

Front

What is an intrusion in geology?

Back

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

5.

FLASHCARD QUESTION

Front

How can fossils help in relative dating?

Back

Fossils can help in relative dating by providing evidence of the age of the rock layers in which they are found, as certain fossils are known to have existed during specific time periods.

6.

FLASHCARD QUESTION

Front

What is the significance of index fossils?

Back

Index fossils are fossils of organisms that were widespread but only existed for a short period of time, making them useful for dating and correlating the age of rock layers.

7.

FLASHCARD QUESTION

Front

What does it mean if a rock layer is younger than another?

Back

If a rock layer is younger than another, it means that it was formed after the other layer, according to the Law of Superposition.

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