What is a Divergent Boundary?
Geologic Time 12.1-12.3

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Science
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7th - 9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A divergent boundary is a tectonic plate boundary where two plates move away from each other, often resulting in the formation of new crust as magma rises to the surface.
2.
FLASHCARD QUESTION
Front
Which layer in a geological photograph typically represents the oldest layer?
Back
The oldest layer is usually at the bottom of the sequence, often referred to as layer 1 in diagrams.
3.
FLASHCARD QUESTION
Front
What type of rock is most likely to contain fossils?
Back
Sedimentary rock is the type of rock that can contain fossils, as it forms from the accumulation of sediment and organic material.
4.
FLASHCARD QUESTION
Front
What does the law of crosscutting state about the age of geological features?
Back
The law of crosscutting states that a geological feature (like a fault) is younger than the layers it cuts through.
5.
FLASHCARD QUESTION
Front
How do sedimentary rocks typically form?
Back
Sedimentary rocks usually form from the accumulation and compaction of sediments, often in horizontal layers.
6.
FLASHCARD QUESTION
Front
What is the significance of the principle of superposition in geology?
Back
The principle of superposition states that in an undeformed sequence of sedimentary rocks, the oldest layers are at the bottom and the youngest are at the top.
7.
FLASHCARD QUESTION
Front
What is a fault in geological terms?
Back
A fault is a fracture or zone of fractures between two blocks of rock, which can result in the displacement of rock layers.
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