Dating Rock Layers & Fossils
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What are traces or remains of organisms that lived long ago called?
Back
Fossil
2.
FLASHCARD QUESTION
Front
How old is the Earth?
Back
4.6 billion years
3.
FLASHCARD QUESTION
Front
What does the Principle of Cross-Cutting Relationships state?
Back
An igneous intrusion is always younger than the layers it cuts across.
4.
FLASHCARD QUESTION
Front
What type of rock formation is labeled as an igneous intrusion?
Back
Igneous intrusion.
5.
FLASHCARD QUESTION
Front
What type of rock results from the melting and cooling of magma?
Back
Igneous rock.
6.
FLASHCARD QUESTION
Front
What is the process called when sedimentary rock layers are formed?
Back
Lithification.
7.
FLASHCARD QUESTION
Front
What is the term for the age of a rock layer compared to other layers?
Back
Relative age.
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