Have an account?
Skip to Content
Build your own quiz
26 questions
Show Answers
See Preview
- 1. Multiple Choice
The Law of Cross-Cutting Relationships states that an igneous intrusion or a fault is
always younger than the rock layers it cuts across
always older than the rock layers it cuts across
the same age as the rock it cuts across
none of the answers are correct
- 2. Multiple Choice
Which of the following correctly lists the layers in order from oldest to youngest?
A, B, C, D, E
E, B, C, D, A
E, D, C, B, A
C, B, A, D, E
- 3. Multiple Choice
The rock formation labeled "P" is a(n)...
fault
intrusion
inclusion
unconformity
- 4. Multiple Choice
Letter "F" is a....
inclusion
intrusion
fault
unconformity
- 5. Multiple ChoiceTraces or remains of organisms that lived long agoFossilUnconformitySuperpositionColumn
- 6. Multiple Choice
Gaps in rock records made when agents of erosion remove existing rock layers
fossils
unconformities
permineralized remains
intrusions
- 7. Multiple Choice
Used to determine whether an event or object is older or younger than another
Radioactive Dating
Relative Dating
Fossil
Unconformity
- 8. Multiple ChoiceStates that younger rocks lie above older rocks if the layers have not been disturbedLaw of crosscuttingLaw of superpositionRelative DatingUnconformity
- 9. Multiple ChoiceAccording to the law of superposition, the oldest fossils are foundAt the top of the rock layersNear the bottom of the rock layersIn the middle of the rock layersSomewhat near the surface
- 10. Multiple Choice
This time frame is also known as the "Age of Mammals"
Precambrian
Paleozoic
Mesozoic
Cenozoic
- 11. Multiple Choice
What do you call fossils that are used to determine the age range of rock layers? They are also abundant, easily recognizable, short lived, and found over widespread areas.
Preserved fossils
Index fossils
Imprints
Radioactive dating
- 12. Multiple Choice
Saying you are older than your sister is an example of?
Absolute age dating
Relative age dating
Fossils
Radioactive dating
- 13. Multiple Choice
Sometimes a fossil is formed as a result of the movement of an organism in soft sediment. What type of fossil is this called?
Bone fossil
Trace fossil
Frozen fossil
Petrified fossil
- 14. Multiple Choice
Imagine that you found this fossil on a mountaintop. What could you conclude from your discovery?
This organism is now extinct.
This trace fossil is older than the mountaintop.
The mountaintop is made of igneous rock.
The rocks on this mountaintop were once covered with water.
- 15. Multiple Choice
Earth’s history is divided into time units in the geologic time scale. Put the following time divisions in order from largest to smallest: era, period, epoch, eon.
Epoch, period, era, and eon
Eon, era, period, epoch
Era, period, epoch, and eon
Period, eon, era, and epoch
- 16. Multiple Choice
Why did scientists develop the geologic time scale?
To better understand the arrangement of rock layers.
To better determine the absolute age of rocks.
To better classify index fossils.
To better study Earth's immense history.
- 17. Multiple Choice
Which law states that sedimentary rock layers are initially deposited as flat layers?
Law of superposition
Law of crosscutting relationships
Law of original horizontality
Newton's Laws
- 18. Multiple Choice
Which type of unconformity is defined by a missing layer between horizontal and tilted rock layers?
disconformity
nonconformity
angular unconformity
none of the above
- 19. Multiple ChoiceCorrectly sequence the layers of rocks oldest to youngestA,B,C,DD,C,B,A
- 20. Multiple Choice
Correctly sequence the layers of rocks oldest to youngest
C,E,A,D,B
C,E,D,A,B
C,E,D,B,A
B,A,D,E,C
- 21. Multiple Choice
What important events often mark the boundaries between time units in the Geologic Time Scale?
mass extinctions
weathering and erosion
earthquakes
volcanoes
- 22. Multiple Choice
Which type of unconformity is created when sedimentary layers are deposited on top of previously eroded sedimentary rock?
Nonconformity
Disconformity
Angular Unconformity
- 23. Multiple Choice
What type of unconformity is created when sedimentary rock layers are deposited on top or previously eroded igneous or metamorphic rock?
Nonconformity
Disconformity
Angular Unconformity
- 24. Multiple Choice
If rock A contains a fossil or an organism similar to organisms alive today and rock B contains a fossil of an extinct organism, what conclusion can you draw?
Rocks A and B are the same age
Rock A is younger than Rock B
Rock B is younger than Rock A
You cannot draw any conclusions.
- 25. Multiple Choice
How are rock layers arranged in the geologic column?
Youngest rocks are in the middle
Youngest rocks are on the bottom
Oldest rocks are on the bottom
Oldest rocks are on the top
- 26. Multiple Choice
What is it called when an unstable isotope breaks down into a stable isotope?
Breakdown
Stability forming
Radioactive Decay
Nuclear meltdown
- Answer choicesTagsAnswer choicesTags