History of Planet Earth
Flashcard
•
Science
•
4th Grade
•
Practice Problem
•
Hard
Wayground Content
Used 1+ times
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15 questions
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1.
FLASHCARD QUESTION
Front
What does 'sample' mean?
Back
A small amount of material used for observation.
2.
FLASHCARD QUESTION
Front
What does 'horizontal' mean?
Back
Runs parallel to the Earth's surface.
3.
FLASHCARD QUESTION
Front
What is a fossil?
Back
The mineralized remains or evidence of plants and animals that lived long ago.
4.
FLASHCARD QUESTION
Front
What does 'extinct' mean?
Back
When the last member of a species has died.
5.
FLASHCARD QUESTION
Front
What is the first step in the fossil formation process?
Back
An organism dies.
6.
FLASHCARD QUESTION
Front
What happens after an organism dies in the fossil formation process?
Back
Soft tissue decays.
7.
FLASHCARD QUESTION
Front
What occurs after soft tissue decays in the fossil formation process?
Back
Bones are replaced by minerals.
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