Science
7th Grade
NGSS covered
Used 6+ times
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12 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
The Devonian period is considered the Age of Fishes. Would you expect to find a tetrapod (animal with four legs) fossil closer to the Carboniferous period or the Silurian period? Why?
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Answer explanation
The Carboniferous period.
Tetrapod fossils were found after the Devonian period; the Silurian came before.
Tags
NGSS.MS-ESS1-4
NGSS.MS-LS4-1
2.
OPEN ENDED QUESTION
3 mins • 1 pt
Certain kinds of shells are always found in rock layers lower than layers with plant fossils. Dinosaur fossils show up only in layers above or with plant fossils. What does this tell you about when these organisms lived?
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Answer explanation
Organisms with shells were oldest, plants next, and dinosaurs more recent. The dinosaurs and plants lived at the same time.
Tags
NGSS.MS-ESS1-4
NGSS.MS-ESS2-3
3.
OPEN ENDED QUESTION
3 mins • 1 pt
What information would you need to find a more precise age of dinosaurs and plants?
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Answer explanation
The age of the sedimentary rock that the fossils were found in, as determined by absolute or radioactive dating.
Tags
NGSS.MS-ESS1-4
4.
OPEN ENDED QUESTION
3 mins • 1 pt
Would you expect to find fish fossils in rocks 550 million years old? Explain.
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Answer explanation
No. Fish did not appear until later in the fossil record (the Ordovician period).
Tags
NGSS.MS-ESS1-4
NGSS.MS-LS4-1
5.
OPEN ENDED QUESTION
3 mins • 1 pt
Consider your the fossils you've looked at. What do the echinoid, snail, and shark tooth fossils have in common?
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Answer explanation
They are mine animals; the fossils are made from hard parts, either bone or shell.
Tags
NGSS.MS-LS4-1
NGSS.MS-LS4-2
6.
OPEN ENDED QUESTION
3 mins • 1 pt
What don't we have fossils of the echinoid's, snails, or shark's soft parts?
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Answer explanation
The organisms rotted or were eaten.
7.
OPEN ENDED QUESTION
3 mins • 1 pt
Why don't we have fossils of every organisms that ever lived?
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Answer explanation
- if an organism didn't have hard parts, it wouldn't fossilize.
- An organism might die in a place where it won't get fossilized.
- The entire organism could have been eaten.
- An organism might have fossilized, but the fossil could have been destroyed or not yet found.
Tags
NGSS.MS-LS4-1
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