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Geological Timeline Review Flashcards | StudBud
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Geological Timeline Review
Geological Timeline Review
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A review of Earth's history and the Geological Timeline.
Flashcards
36 cards
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Practice quiz
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Host live
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Questions
36
Answers
1
Which isotope is useful for dating wood and charcoal that is less than 70,000 years old?
Potassium-40
Argon-40
Uranium-238
Carbon-14
2
Rates of erosion are not used to date geographical features over a million years old because
rates of erosion are constant only for about 20,000 years
rates of erosion may greatly vary over a million years
erosion ceases over a million years
rates of erosion are constant over a million years
3
Which is the correct order of rocks from oldest to youngest?
L, Z, fault, A ,Q,D
D,Q,A,Z, fault, L
D, Q, A, fault, Z, L
L,Z,A, fault, Q, D
4
Almost all fossils are discovered in
Metamorphic Rock
Igneous Rock
Sedimentary Rock
Volcanic Ash
5
The San Andreas fault is caused by a
Convergent Boundary
Transform Boundary
Divergent Boundary
Equator Boundary
6
A dinosaur makes a footprint in the mud that hardens over time around the impression. What type of fossil is this?
Carbon Film
Trace
Cast
7
Type of plate boundary where two plates collide
Convergent
Divergent
Transform
8
Earth's oceans, lakes, ice, and rivers make up the
Lithosphere
Atmosphere
Hydrosphere
Biosphere
9
Younger layers of undisturbed sedimentary rock are above older layers according to
Law of Superposition
Angular Unconformity
Principle of Uniformitarianism
Principle of Sedimentarianism
10
Which process forms new elements
Permineralization
Radioactive Decay
Superposition
Uniformitarianism
11
Which of the following is caused by divergent boundaries?
Grassy Plains
Plateaus
Rift Valleys
Mountains
12
How are scientist able to tell the absolute age of fossils?
through using nonradioactive elements to determine half-life
Through testing soil
All of the above
through using radioactive elements to determine half-life
13
Eras of time are divided into
Ages
Periods
Epoch
Eons
14
The numeric age of an object is called
Relational Age
Absolute Age
Relative Age
Comparative Age
15
To say "the present is the key to the past" describes which of the following
Superposition
Uniformitarianism
Radioactivity
Succession
16
___ is the densest type of crust and will sink back into the mantle when it slides under another plate
Continental
Oceanic
17
The Hawaiian islands formed at a
Convergent Boundary
Transform Boundary
Hotspot
Divergent Boundary
18
The process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle is known as
Continental Drift
Subduction
Convection
Conduction
19
Carbon-14 is an isotope
used to date objects over 6,000 years old
formed by radioactive decay
used to date objects less than 70,000 years old
that cannot be used to date objects
20
Which of the following conditions makes fossil formations more likely?
made of hard material
composed of soft parts
attacked by scavengers
buried slowly
21
When layers of rock are missing, paleontologists blame the unconformity on
radioactive dating
erosion
Pangea
poor record keeping
22
A fault or body of rock is younger than any other body of rock it cuts through according to the
Law of Averages
Law of Uniformitarianism
Law of Superposition
Law of Crosscutting Relationships
23
What are cavities left in rocks when shell or bone dissolves called?
carbon films
Original remains
Molds
Casts
24
Geological time is divided into
Three Eons
Five Eons
Four Eons
Two Eons
25
The age of an object in relation to the ages of other objects is
Absolute Age
Comparative Age
Relative Age
Relational Age
26
Which are the remains of species that existed on Earth for relatively short periods of time
Trace fossils
Body films
Carbon films
Index Fossils
27
Over time the continents moved into their current configuration. These movements were caused by
continents floating on the ocean
lithosphere plates moving from convective flow in the mantle
large volcanoes, earthquakes, and impact from asteroids
slow erosion of continents
28
The principle that Earth's history can be explained by current geological processes is
Cross-cutting relationship
Uniformitarianism
Unconformity
Superposition
29
A fault can be useful in determining which of the following for a group of rocks?
Absolute Age
Radiometric Age
Relative Age
Index Age
30
What happens when tension between plates is broken?
Meteoroid Impact
Earthquake
Volcano
31
Which of the following is least likely to be found as a fossil?
snail shell
Clam shell
Shark tooth
jellyfish imprint
32
Which type of fossil preservation is a thin carbon silhouette of the original organism?
Cast
Carbon Film
Permineralized remains
Mold
33
What does this picture represent?
Fault
Fold
Extrusion
Intrusion
34
Why is radioactive decay used to determine the absolute age of rocks?
it happens very quickly
it does not happen at a constant rate
it does happen at a constant rate
35
Index fossils found in rock layers in different areas indicate that the rock layers
are still forming
formed during the same time period
formed during different time periods
never fully formed
36
How does energy drive plate tectonics?
Interior heat waves cause convection currents in magma, causing movement
Energy from the sun heats magma and creates convection currents
Interior heat waves cause ocean currents
Energy from the sun creates ocean currents
