What is Relative Dating?
Relative Dating

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Science
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
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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