
Rock and Fossil Flashcard
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an index fossil?
Back
An index fossil is a fossil that is used to date and correlate the age of rock layers. It is typically widespread, abundant, and existed for a relatively short period of geological time.
2.
FLASHCARD QUESTION
Front
What does folding refer to in geology?
Back
Folding is the process by which rock layers are bent or curved due to internal forces within the Earth, often resulting in the formation of mountains.
3.
FLASHCARD QUESTION
Front
Which group of animals is believed to have gone extinct due to global climate change?
Back
Dinosaurs are believed to have gone extinct due to global climate change, among other factors.
4.
FLASHCARD QUESTION
Front
What is an intrusion in geology?
Back
An intrusion is molten rock that has squeezed into existing rock formations and solidified, forming igneous rock.
5.
FLASHCARD QUESTION
Front
What is paleontology?
Back
Paleontology is the scientific study of past life, including the examination of fossils to understand the history of life on Earth.
6.
FLASHCARD QUESTION
Front
What is a mold fossil?
Back
A mold fossil is a type of fossil that forms when an organism leaves an impression in sediment, which later hardens into rock.
7.
FLASHCARD QUESTION
Front
What is a cast fossil?
Back
A cast fossil is created when a mold fossil is filled with minerals or sediment, forming a replica of the original organism.
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