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Science
6th -
8thgrade
Lesson 1: Analyzing the Rock and Fossil Records
14 questions
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- 1. Multiple ChoiceWhat is the idea that geologic processes are occurring now are the same as those that occurred in the past?UnconformitiesUniformitarianismEpicism
- 2. Multiple Choice
What type of dating indicates an approximate age of a fossil in relationship to other layers of rock in an area?
Relative dating
Absolute Dating
- 3. Multiple Choice
What type of dating indicates a specific age of a rock?
Relative Dating
Absolute Dating
- 4. Multiple ChoiceThe formation of any fossil is a common eventTrueFalse
- 5. Multiple ChoiceIn layers of sedimentary rock, the _________ layer is usually at the bottom. Each higher layer is _________ than the layers below it.oldest, youngeryoungest, olderyoungest, youngeroldest, older
- 6. Multiple ChoiceWhat is a mass extinction?the extinction of all of Earth's species at ones timethe extinction of many types of organisms at the same timethe end of daysthe creation of many species at one time
- 7. Multiple Choice
What geologic principle(or law) is best displayed here?
Superposition
Original horizontality
Cross-cutting relationships
Inclusions
- 8. Multiple Choice
Inclusions are younger than the formation of sedimentary rock layers that surround them.
True
False
- 9. Multiple Choice
The Law of Crosscutting states that a fault or inclusion is __________ than the bodies of rock it cuts through.
younger
older
funnier
nastier
- 10. Multiple Choice
Which principle states that sediments spread out flat, in all directions, until they either thin out or run into a barrier.
Principle of Superposition
Principle of original horizontality
Principle of original lateral continuity
- 11. Multiple Choice
The idea that sedimentary rocks are deposited in horizontal layers unless disturbed by forces within the Earth can best be explained by which principle?
Principle of horizontality
Principle of Superposition
Principle of original lateral continuity
- 12. Multiple Choice
What scientific law tells us that if one rock layer contains pieces or fragments of another rock layer, then the fragments will be older than the rock layer that surrounds it.
Cross-cutting
Original Horizontality
Unconformities
Inclusions
- 13. Multiple Choice
What scientific law tells us that if one rock layer crosses over other layers, then that layer of rock will be younger than any rock layers that it crosses?
Cross-cutting
Original Horizontality
Unconformities
Inclusions
- 14. Multiple Choice
You are a geologist and come across a layer of marine fossils buried beneath a layer of plant fossils only found on land. What does that tell you about the past climate in that area?
It was once a marine habitat that experienced a mass extinction and changed the climate from marine to dry land.
It was once a forest and is now a prairie after a mass extinction.
There is not enough evidence to make any theories.
It is not possible for marine fossils to be located below plant fossils only found on land.
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