WorksheetsGeologic Time Unit Review
Total questions: 21
Worksheet time: 16mins
Which layer is OLDER? Fault E or Intrusion D?
Fault E
Intrusion D
Which rock layer contains the youngest fossils?
What is the standard time scale of Earth's history?
Geologic Record
Geologic Scale
Geologic Rock Layers
Geologic Radiometry
A principle that states that the geologic processes that occurred in the past can be explained by current geologic processes
Uniform Theory
Theory of Similarity
Uniformitarianism
Theory of Twins
Which correctly pairs relative age and absolute age?
Absolute age is the age of a rock compared to surrounding layers; Relative age is the numeric age
Relative age is the age of a rock compared to surrounding layers; absolute age is the numeric age
Relative age is where your age falls in your family tree; absolute age is a decimal
Scientists use radiometric dating to determine a rock's age by measuring concentrations of _______________.
intrusions
faults
radioactive material
elements
A drilled section of ice that helps determine past climates is a(n):
ice berg
glacial till
ice cylinder
ice core
Ice cores also follow the Law of Superposition, which shows that the oldest deposits can be found at the __________, and the youngest are found at the top.
bottom
middle
top
If a layer of volcanic ash is found in an ice core, what does that indicate?
Ash borer beetles lived in that habitat.
A volcanic eruption occurred.
Scientists use radiometric dating (radioactive decay) to measure...
relative time (dating)
absolute time (dating)
half-lives
time of day
Which letter identifies the ice layer that was most recently formed?
A
B
How old do Paleontologists believe the Earth is?
2019 years old
3.6 billion years old
4.6 billion years old
4.6 million years old
