Geological Timescales and Dating Techniques
Authored by Abigail Porter
History, Geography, Science
7th - 12th Grade
Used 21+ times
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50 questions
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1.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
The same processes and natural laws that operated in the past are operating at present - the present is the key to the past.
is the principle of (a) .
2.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Who realised the observable geologic processes would require vast amounts of time to produce the mountains and valleys that we see on Earth today.
(a)
3.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
The order of events or objects from first (oldest) to last (youngest):
(a)
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What simple principles can be applied to determine relative age?
Original horizontality and lateral continuity
Superposition
Inclusions and unconformities
Correlation of rock units and fossils
5.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
The age of events or objects, expressed as a number or numbers:
(a)
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
How is numerical age determined?
Using radiometric dating
Determining how much radioactive decay of a specific element has occurred since a rock unit formed or an event occurred.
Inclusions and unconformities
Correlation of rock units
7.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Surfaces separating successive rock layers (beds):
(a)
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