
Fossils
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Hard
+1
Standards-aligned
Wayground Content
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14 questions
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1.
FLASHCARD QUESTION
Front
When an organism is quickly buried and flattened by enormous pressure and only the carbon from the organism remains as a thin black film.
Back
carbonized
2.
FLASHCARD QUESTION
Front
A record of the activity of an organism such as footprint or scratches.
Back
trace
3.
FLASHCARD QUESTION
Front
When an organism's tissues are replaced by minerals from water and form a hard, 3-D copy of the original.
Back
permineralized (petrified)
Tags
NGSS.MS-LS4-1
4.
FLASHCARD QUESTION
Front
What happens when an organism gets stuck in tree sap which hardens over time?
Back
Preserved in amber
5.
FLASHCARD QUESTION
Front
An impression of an organism's body shape is left in sediment and filled with minerals in water which hardens.
Back
mold and cast
6.
FLASHCARD QUESTION
Front
This preserves much of the organism, including the organs and genetic material. It occurs when an organism becomes trapped, dies and is quickly frozen.
Back
frozen
7.
FLASHCARD QUESTION
Front
This sticky, thick liquid traps organisms and preserves its hard parts while dissolving the soft body parts.
Back
preserved in a tar pit
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