What is the reason for similar fossils in Africa and South America?
8th Grade Science Ohio Semester 1 Final Study Guide

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Science
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8th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
The presence of similar fossils in Africa and South America supports the theory of continental drift, suggesting that these continents were once connected.
2.
FLASHCARD QUESTION
Front
What is the geologic time scale?
Back
The geologic time scale is a system used by geologists to divide Earth's history into smaller, more manageable units.
3.
FLASHCARD QUESTION
Front
Which planet rotates the fastest?
Back
Jupiter is the planet that rotates the fastest in our solar system.
4.
FLASHCARD QUESTION
Front
What is an intrusion in geology?
Back
An intrusion is a mass of igneous rock that forms below the Earth's surface.
5.
FLASHCARD QUESTION
Front
What percentage of radioactive material remains after 4 half-lives?
Back
After 4 half-lives, 6.25% of the original radioactive material remains.
6.
FLASHCARD QUESTION
Front
What is a fossil?
Back
A fossil is the preserved remains or traces of ancient organisms.
7.
FLASHCARD QUESTION
Front
What is the scientific method?
Back
The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.
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