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Study sets matching "science earth history geologic time"

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Study sets matching "science earth history geologic time"

21 terms
Earth History & Geologic Time
Geologic Time Scale
Eons
Eras
Epoch
A timeline that organizes the events in Earth's 4.6 billion y…
Largest division of geologic time: Hadean, Archean, Proterozo…
2nd largest division of geologic time: Precambrian (eon/era),…
Smallest division of geologic time. Current epoch is the Holo…
Geologic Time Scale
A timeline that organizes the events in Earth's 4.6 billion y…
Eons
Largest division of geologic time: Hadean, Archean, Proterozo…
28 terms
Earth Science - Geologic Time
Fossil
Mold
Cast
Petrified Fossil
A trace of an ancient organism that has been preserved in rock
A fossil formed when an organism buried in sediment dissolves…
A fossil that is a solid copy of an organism's shape, formed…
A fossil in which minerals replace all or part of an organism
Fossil
A trace of an ancient organism that has been preserved in rock
Mold
A fossil formed when an organism buried in sediment dissolves…
22 terms
Earth Science: Geologic Time
Cenozoic
Cenozoic
Mesozoic
Mesozoic
First grass species
Began 65 million years ago
Reptiles (dinosaurs) are dominant
Gymnosperms (conifers) are the dominant plant type
Cenozoic
First grass species
Cenozoic
Began 65 million years ago
21 terms
History of Earth and Geologic Time
uniformitarianism
catastrophism
principle of superposition
fossil
The theory that changes in the earth's crust are due to slow…
The theory that changes in the earth's crust are due to sudde…
The idea that, in undisturbed areas, newer sediments are alwa…
The remains or impression of a prehistoric organism preserved…
uniformitarianism
The theory that changes in the earth's crust are due to slow…
catastrophism
The theory that changes in the earth's crust are due to sudde…
Geologic Time & Earth's History Review -Earth Science
Uniformitarianism
Relative Dating
Absolute Dating
Half-life
The GEOLOGIC PROCESS that are SHAPING the EARTH now have been…
Placing GEOLOGIC EVENTS in sequential based on their ORDER in…
Assigning a SPECIFIC DATE to an object, usually using radioac…
Time required for HALF of a radioactive sample to Decay
Uniformitarianism
The GEOLOGIC PROCESS that are SHAPING the EARTH now have been…
Relative Dating
Placing GEOLOGIC EVENTS in sequential based on their ORDER in…
12 terms
8th Grade Science Earth history geologic time
What was a major factor in the mass ex…
Why has there been an increase in Carb…
What was the result of high density ma…
Why has there been a change over time…
Approximately 65 million years ago an impact by a very large…
because of increased combustion of fossil fuels.
The differentiation of materials within early Earth.
because of human acitivity
What was a major factor in the mass ex…
Approximately 65 million years ago an impact by a very large…
Why has there been an increase in Carb…
because of increased combustion of fossil fuels.
20 terms
Earth and Space Science: Geologic History and Time
Uniformitarianism
Relative dating
Law of Superposition
Principle of original horizontality
the concept that the processes that have shaped Earth in the…
process by which rocks are placed in their proper sequence or…
a basic law of geochronology, stating that in any undisturbed…
states that layers of sediment are originally deposited horiz…
Uniformitarianism
the concept that the processes that have shaped Earth in the…
Relative dating
process by which rocks are placed in their proper sequence or…
41 terms
Earth Science Geologic History
Uniformitarianism
Relative Dating
Law of Superposition
Principle of Original Horizontality
Is the idea that the geologic processes that operate today al…
any method of determining whether an event or object is older…
in undisturbed rock layers, the oldest rocks are on the botto…
layers of sediment are generally deposited in a horizontal po…
Uniformitarianism
Is the idea that the geologic processes that operate today al…
Relative Dating
any method of determining whether an event or object is older…
12 terms
Earth Science Geologic Time
Pre-Cambrian
Cambrian
Ordovician
Silurian
4.6 BYA Multi-celluar organisms, bacteria/algae, oxygen accum…
544 MYA Trilobites dominate, oceans cover North America, sea…
500 MYA First land plants appear, brachiopods more numerous t…
440 MYA Sharks and many fish abundant, even and warm temperat…
Pre-Cambrian
4.6 BYA Multi-celluar organisms, bacteria/algae, oxygen accum…
Cambrian
544 MYA Trilobites dominate, oceans cover North America, sea…
14 terms
Earth Science Geologic Time vocab
uncomfority
superposition
cross-cutting
index fossil
a buried erosional surface
A principle that states that younger rocks lie above older ro…
A relative dating principle stating that where an igneous int…
best way to correlate rock layers; to be a good index fossil,…
uncomfority
a buried erosional surface
superposition
A principle that states that younger rocks lie above older ro…
20 terms
Earth History & Geologic Time
Geologic Time Scale
Eons
Eras
Period
A timeline that organizes the events in Earth's 4.6 billion y…
Largest division of geologic time: Hadean, Archean, Proterozo…
2nd largest division of geologic time: Precambrian (eon/era),…
3rd largest division of geologic time: usually named for the…
Geologic Time Scale
A timeline that organizes the events in Earth's 4.6 billion y…
Eons
Largest division of geologic time: Hadean, Archean, Proterozo…
14 terms
Geologic Time and Earth History
Relative dating
Superposition
Cross-cutting relationships
Absolute (numerical) dating
the establishment of age of a feature
In an undeformed (unfolded, unfaulted) sequence of sedimentar…
A feature cutting through another feature ​​must be younger t…
​: the establishment of the exact age... ​​​in years of a feature.
Relative dating
the establishment of age of a feature
Superposition
In an undeformed (unfolded, unfaulted) sequence of sedimentar…
14 terms
Earth Science: Geologic Time
Mesozoic
Cenozoic
Precambrian
Paleozoic
The beginning of the formation of the Atlantic Ocean
Flowering plants with covered seeds
Stromatolites were abundant
Pangaea had formed by the end
Mesozoic
The beginning of the formation of the Atlantic Ocean
Cenozoic
Flowering plants with covered seeds
43 terms
Geologic Time & Earth History
Catastrophism
What did Ussher do?
Relative dating
Who recognized a sequence of historica…
the concept that the earth was shaped by catastrophic events…
constructed a chronology of human and earth history in which…
placing rocks in their proper sequence or order
Nicolas Steno
Catastrophism
the concept that the earth was shaped by catastrophic events…
What did Ussher do?
constructed a chronology of human and earth history in which…
11 terms
Earth Science Geologic Time
numerical dates
relative dates
principle of original horizontality
principle of superposition
specify the number of years that have passed since an event o…
rocks placed in their proper sequence of formation
most sediments and lava flows are originally deposited in hor…
in lava flows the oldest rock is always at the bottom and the…
numerical dates
specify the number of years that have passed since an event o…
relative dates
rocks placed in their proper sequence of formation
15 terms
Earth/Environmental Science Vocab.: Geologic Time and Earth's history
Uniformitarianism
Relative Dating
Law of Superposition
Principal of Original Horizontality
A principle that geologic processes that occurred in the past…
(209B) Tells the sequence in which events occur, NOT how long…
(209B) States that each bed is older than one above and young…
(209B) Layers of sediment are GENERALLY deposited in a horizo…
Uniformitarianism
A principle that geologic processes that occurred in the past…
Relative Dating
(209B) Tells the sequence in which events occur, NOT how long…
26 terms
Geologic Time & Earth History
geologic time scale
uniformitarianism
what classes do major geologic events…
relative dating
a relative scale been around longer than absolute ages
(Hutton & Lyell) geology gave Darwin time for natural selection
intrusion, erosion, deposition, faulting, and deformation
- I am older than you but younger than him... - sequence of even…
geologic time scale
a relative scale been around longer than absolute ages
uniformitarianism
(Hutton & Lyell) geology gave Darwin time for natural selection
20 terms
Earth Science - Geologic Time
geologic time scale
Precambrian time
Precambrian life
Paleozoic era
a timeline that divides Earth's history into specific units o…
4.5 billion to 570 million years ago
single-celled organisms - stromatolites, more complex cells,…
570 to 245 million ears ago
geologic time scale
a timeline that divides Earth's history into specific units o…
Precambrian time
4.5 billion to 570 million years ago
12 terms
earth science- geologic time
catastrophism
unifornitarianism
original horizontality
inclusions
varied landscapes has been fashioned primarily by great catas…
physical, chemical, and biological laws have been operated in…
layers of sediment are generally deposited in a horizonatal p…
fragments of rock that have been inclosed within another
catastrophism
varied landscapes has been fashioned primarily by great catas…
unifornitarianism
physical, chemical, and biological laws have been operated in…
19 terms
geologic time/ earth history
law of superposition
index fossil
sedimentary rock
relative age
states that each rock layer is older than the one above it.
can be used to help find the relative age of rock layers
A type of rock that forms when particles from other rocks or…
age of one object compared to the age of another object
law of superposition
states that each rock layer is older than the one above it.
index fossil
can be used to help find the relative age of rock layers
32 terms
Earth History & Geologic Timing
Clues to the Puzzle
Fossil
For every organism alive today...
Climate changes have taken place on Ea…
Fossils, Rock Structures, and Radiometric Dating of Rocks
the remains or evidence of a living thing
1000 have gone extinct (extinction is a process just like pla…
coral deposits support this (Has been found at very high lati…
Clues to the Puzzle
Fossils, Rock Structures, and Radiometric Dating of Rocks
Fossil
the remains or evidence of a living thing
24 terms
Earth History/Geologic Time
Phanerozoic
Paleozoic
Mesozoic
Cenozoic
an eon meaning "visible life"
era meaning "ancient life"; land plants, resulting in formati…
era meaning "middle life"; era of the dinosaurs; flowering pl…
era meaning "recent life" (era of the mammals)
Phanerozoic
an eon meaning "visible life"
Paleozoic
era meaning "ancient life"; land plants, resulting in formati…
25 terms
Geological Time and Earth History
uniformitarianism
relative dating
law of superposition
principle of original horizontality
is the idea that the geologic processes that operate today al…
method of determining the age of a fossil by comparing its pl…
The geologic principle that states that in horizontal layers…
The principle that states that layers of sediment are general…
uniformitarianism
is the idea that the geologic processes that operate today al…
relative dating
method of determining the age of a fossil by comparing its pl…
14 terms
Earth Science: Geologic Time
Cenozoic Era
cyanobacteria
eon
era
era of recent life that began about 66 million years ago and…
chlorophyll-containing photosynthetic bacteria thought to be…
longest subdivision in the geologic time scale that is based…
second-longest subdivision of geologic time; is subdivided in…
Cenozoic Era
era of recent life that began about 66 million years ago and…
cyanobacteria
chlorophyll-containing photosynthetic bacteria thought to be…
12 terms
AACS Earth Science: Geologic Time
Geologic Time Scale
Eon
Epoch
Law of Superposition
a chronological model of the Geologic history of the Earth.
largest division of geologic time
one of the smallest divisions of geologic time combined into…
Oldest rocks are on the bottom unless folded or faulted
Geologic Time Scale
a chronological model of the Geologic history of the Earth.
Eon
largest division of geologic time
41 terms
MR Earth Science Geologic History
Uniformitarianism
Relative Dating
Law of Superposition
Principle of Original Horizontality
Is the idea that the geologic processes that operate today al…
any method of determining whether an event or object is older…
in undisturbed rock layers, the oldest rocks are on the botto…
layers of sediment are generally deposited in a horizontal po…
Uniformitarianism
Is the idea that the geologic processes that operate today al…
Relative Dating
any method of determining whether an event or object is older…
38 terms
Geologic Time and Earth History
According to the principle of cross-re…
Why would a worm stand a poor chance o…
Why do scientist think that birds evol…
What is the currently accepted age of…
Younger than the rocks into which it intrudes.
Worms have no hard body parts.
Some Dinosaurs had feathers.
About 4.6 billion years old.
According to the principle of cross-re…
Younger than the rocks into which it intrudes.
Why would a worm stand a poor chance o…
Worms have no hard body parts.
58 terms
Earth Science- Geological Time
Earth is ____ billion years old.
The universe is ____ billion years old.
____ billion years ago, gravity pulled…
Earth's atmosphere when first formed o…
4.6
14
5
carbon dioxide. water vapor, and nitrogen
Earth is ____ billion years old.
4.6
The universe is ____ billion years old.
14
41 terms
Earth Science Geologic History
Uniformitarianism
Relative Dating
Law of Superposition
Principle of Original Horizontality
Is the idea that the geologic processes that operate today al…
any method of determining whether an event or object is older…
in undisturbed rock layers, the oldest rocks are on the botto…
layers of sediment are generally deposited in a horizontal po…
Uniformitarianism
Is the idea that the geologic processes that operate today al…
Relative Dating
any method of determining whether an event or object is older…
34 terms
Geologic time and Earth History
Geologic time scale
Three eons
Era
Four major eras
record of earth´s history from 4.6 billion years ago to prese…
Archean, Proterozoic , Phanerozoic
Major division of geological time,hundreds of millions to a b…
Precambrian, Paleozoic, Mesozoic, Cenozoic
Geologic time scale
record of earth´s history from 4.6 billion years ago to prese…
Three eons
Archean, Proterozoic , Phanerozoic
28 terms
Geologic time (earth science)
Relative dating
(principals of relative dating)Superpo…
(principals of relative dating)Origina…
(principals of relative dating)Cross-c…
the process of placing events in the order that they happened
In a series of undisturbed layers, the oldest ones are always…
Sedimentary rocks always begin in a horizontal positon
anything (fault, intrusion) that cuts across something else i…
Relative dating
the process of placing events in the order that they happened
(principals of relative dating)Superpo…
In a series of undisturbed layers, the oldest ones are always…
17 terms
Earth Science Geologic Time
Sediment
Trilobite
Reptile
Crystallization
Rocks and materiels ground down to form tiny pieces of rock
Arthropod with a soft shell on the outside divided into 3 lobes
Cold blooded vertebrate with dry scaly skin and lay soft shel…
Mass transfer of absolute from liquid solution to a solid cry…
Sediment
Rocks and materiels ground down to form tiny pieces of rock
Trilobite
Arthropod with a soft shell on the outside divided into 3 lobes
33 terms
Geologic Time (Earth's History)
What are fossils?
Where are fossils found?
What is paleontology?
What are petrified fossils and what ar…
any evidence of earlier life preserved in rock
found in sedimentary rocks
study of prehistoric life
an organism that overtime has become rock, ex: trees, mineral…
What are fossils?
any evidence of earlier life preserved in rock
Where are fossils found?
found in sedimentary rocks
14 terms
Earths history & Geologic Time
Decay rate
Relative age
Absolute age
Relative dating
The rate at which a parent isotope decays into daughter isoto…
The age of an object or event compared to another object or e…
The numeric age of an object or event often stated in years b…
The process of finding the relative age of a rock
Decay rate
The rate at which a parent isotope decays into daughter isoto…
Relative age
The age of an object or event compared to another object or e…
Geologic Time and Earth History
Principle of Original Horizontality
Principle of Superposition
Cross-cutting relationships
Inclusion
Rocks are deposited horizontally. Rocks that are no longer ho…
Rock layers on the bottom are deposited first and are the old…
If a geological feature cuts across (or intrudes) an... existing…
Pieces of pre-existing rock incorporated within an intrusion…
Principle of Original Horizontality
Rocks are deposited horizontally. Rocks that are no longer ho…
Principle of Superposition
Rock layers on the bottom are deposited first and are the old…
21 terms
Geologic Time/ History of Earth
center of atom
number of protons represent
periodic columns represent
left side of periodic table
nucleus
atomic number
groups or families
metals
center of atom
nucleus
number of protons represent
atomic number
26 terms
earth science geologic time
when was the earth formed?
what was the earth composed of when it…
what is geologic time?
what is uniformitarianism ?
4.6 billion years ago
extremely hot gases and liquids but when it cooled those with…
geologic time measures events from this formation until the p…
processes that are observed acting today but also have acted…
when was the earth formed?
4.6 billion years ago
what was the earth composed of when it…
extremely hot gases and liquids but when it cooled those with…
29 terms
geological time and earth history
plate tectonics
when did the earth form
first forms of life
prokaryotes
continental drift
4.55 billion years ago
4 billion years ago
first form of life, non - nucleated cells, no cytoskeleton, n…
plate tectonics
continental drift
when did the earth form
4.55 billion years ago
19 terms
AOS Earth Science Geologic Time
How do you solve a density problem?
What epoch, period, and era do we live…
What is Natural Selection?
What is Organic Evolution?
Mass/Volume=Density -g/ml3
Epoch: Holocene.... Period: Quaternary.... Era: Cenozoic.
It is a process by which organisms with characteristics that…
The fossil record shows that species have changed through tim…
How do you solve a density problem?
Mass/Volume=Density -g/ml3
What epoch, period, and era do we live…
Epoch: Holocene.... Period: Quaternary.... Era: Cenozoic.
11 terms
History of Earth and Geologic Time
What is the age of the earth?
What is radiometric dating?
What is half life?
What have experiments shown scientists…
4.5 billion years
the process of estimating the age of an object by measuring t…
the time it takes for half of the radioactive elements to decay
They can be formed through natural processes
What is the age of the earth?
4.5 billion years
What is radiometric dating?
the process of estimating the age of an object by measuring t…
17 terms
Advanced Earth Science Geologic Time
Relative dating
Absolute dating
Half life
Isotope
Determining the age of the rock by comparing them to other ro…
The actual age of the rock determined by radiometric dating
The time it takes for half the radioactive atoms to decay to…
An atom with the same number of protons and a different numbe…
Relative dating
Determining the age of the rock by comparing them to other ro…
Absolute dating
The actual age of the rock determined by radiometric dating
13 terms
Earth Science Final 2014 - Earth History/Geologic Time
Relative Time
Absolute Time
Superposition
Uniformitarianism
The age of an object in relation to the ages of other objects…
The exact time an event occurred, the numeric age of an objec…
In undisturbed rock layers, the oldest layer is at the bottom…
A principle that geologic processes that occurred in the past…
Relative Time
The age of an object in relation to the ages of other objects…
Absolute Time
The exact time an event occurred, the numeric age of an objec…
24 terms
EARTH SCIENCE Geological Time
Epoch
Eon
Evolution
Natural Selection
Shortest division of geologic time
Longest division of geologic time
A gradual change in life-forms over time
The process by which organisms with traits best suited to the…
Epoch
Shortest division of geologic time
Eon
Longest division of geologic time
38 terms
Geological time & earth history
Preservation potential
Principal of fossil succession
Relative dating
Ga
Organisms likelihood of becoming a fossil
Fossil organisms succeed each other in a definite and determi…
Determined by geological or ecological events in Earths histo…
Billions of years
Preservation potential
Organisms likelihood of becoming a fossil
Principal of fossil succession
Fossil organisms succeed each other in a definite and determi…
25 terms
Earth Science Geological Time
relative time
absolute time
law of superposition
la of cross-cutting relationships
order of events or objects from first to last (youngest to ol…
age of events or objects expressed numerically
oldest rocks are at bottom, youngest at top
disrupted pattern is older than cause of disruption (faults)
relative time
order of events or objects from first to last (youngest to ol…
absolute time
age of events or objects expressed numerically
25 terms
Earth Science Geological Time
The principle that Earth's history can…
Younger layers of undisturbed sediment…
The age of an object is compared to th…
A fault or body of rock is younger tha…
Uniformitarianism
The law of superposition
Relative age
Cross cutting relationships
The principle that Earth's history can…
Uniformitarianism
Younger layers of undisturbed sediment…
The law of superposition
Geological time and earths history
Geological time scale
Precambrian
The eons that make the Precambrian
Phanerozoic won in order
A system of chronological dating that relates through time
Geological time began
Hadean, Archean, and Proterozoic
Paleozoic, Mesozoic, and Cenozoic
Geological time scale
A system of chronological dating that relates through time
Precambrian
Geological time began
18 terms
earth science geological times
formation of the earth; continental sh…
advanced forms of marine life and firs…
brachiopods increase; trilobites decli…
echinoderms appear; eurypterids abunda…
Precambrian time
Cambrian time
Ordovician time
Silurian time
formation of the earth; continental sh…
Precambrian time
advanced forms of marine life and firs…
Cambrian time
15 terms
Earth Science - Geologic Time Scale
Cenozoic Era
Mesozoic Era
Paleozoic Era
Cambrian Period
From 65 million years ago until the present
From 251 million years ago until 65 million years ago
From 542 million years ago until 251 million years ago
First large organisms with shells and hard parts
Cenozoic Era
From 65 million years ago until the present
Mesozoic Era
From 251 million years ago until 65 million years ago
41 terms
Earth Science Geologic History
Uniformitarianism
Relative Dating
Law of Superposition
Principle of Original Horizontality
Is the idea that the geologic processes that operate today al…
any method of determining whether an event or object is older…
in undisturbed rock layers, the oldest rocks are on the botto…
layers of sediment are generally deposited in a horizontal po…
Uniformitarianism
Is the idea that the geologic processes that operate today al…
Relative Dating
any method of determining whether an event or object is older…
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