What is Relative Dating?
Relative Dating and the Law of Superposition

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Science
•
6th 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 is the Law of Superposition?
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 an intrusion in geology?
Back
An intrusion is a body of igneous rock that forms when magma pushes into existing rock layers and solidifies.
4.
FLASHCARD QUESTION
Front
What is an extrusion in geology?
Back
An extrusion is when lava erupts onto the Earth's surface and solidifies, forming igneous rock.
5.
FLASHCARD QUESTION
Front
How do fossils help in relative dating?
Back
Fossils can be used to determine the relative ages of rock layers because certain fossils are known to have existed during specific time periods.
6.
FLASHCARD QUESTION
Front
What does it mean if a layer is younger than another layer?
Back
If a layer is younger, it means it was formed after the other layer, and it is located above it in the rock sequence.
7.
FLASHCARD QUESTION
Front
What is the significance of letter V in the context of lava intrusion?
Back
Letter V indicates a location where lava intrusion occurred, which can affect the surrounding rock layers.
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