What is the primary goal of geologists and paleontologists when studying rock layers?

Exploring Rock Correlation and Index Fossils

Interactive Video
•
Mathematics
•
6th - 10th Grade
•
Hard

Emma Peterson
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To find precious minerals
To predict future geological events
To discover new species of plants
To create a complete record of Earth's history
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the process of correlation in geology involve?
Measuring the temperature of rock layers
Studying the chemical composition of rocks
Drilling for oil
Matching rock layers from different locations
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method involves walking around and matching rocks based on their visible characteristics?
Using index fossils
Analyzing meteorite deposits
Studying volcanic ash layers
Looking for similar rock characteristics
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What makes the technique of matching rock layers based on characteristics challenging?
Not every layer matches perfectly
It can only be done in certain locations
It requires expensive equipment
Rocks are too hard to analyze
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is volcanic ash an excellent marker for correlating rock layers?
It spreads over a wide area and settles quickly
It is easy to identify by color
It contains valuable minerals
It is found only in volcanic regions
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What significant event is marked by a white layer of iridium in rock strata?
The formation of the Grand Canyon
The last ice age
The extinction of the dinosaurs
The eruption of Mount Vesuvius
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the two requirements for a fossil to be considered an index fossil?
It must be found in only one location and be very old
It must be widespread and have lived for a short geologic time
It must be widespread and have lived for a long geologic time
It must be found in volcanic ash and be very old
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