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Study sets matching "history of earth"

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Study sets matching "history of earth"

15 terms
Earth History
Geologic Time Scale
Relative Age
superpositon
original horizontality
chronological model of the geologic history of Earth using th…
age of something compared to something else
in undisturbed sedimentary rock layers, the oldest layer is o…
sedimentary rocks from in flat layers
Geologic Time Scale
chronological model of the geologic history of Earth using th…
Relative Age
age of something compared to something else
Earth Science: Earth History
Continental Drift
Seafloor Spreading
Pangea
Convection Current
The hypothesis that states that the continents once formed a…
the formation of new areas of oceanic crust, which occurs thr…
super continent consisting of all known continents fitting to…
the movement of a fluid, caused by differences in temperature…
Continental Drift
The hypothesis that states that the continents once formed a…
Seafloor Spreading
the formation of new areas of oceanic crust, which occurs thr…
25 terms
Earth History
Earth Age
universe age
principle of uniformitarianism
relative dating
geologists believe the earth to be 4.4 to 4.6 billion years old
geologists believe the universe to be between 15 and 20 billi…
Earth processes occurring today are similar to those that occ…
establishes a time frame in relation to other materials (plac…
Earth Age
geologists believe the earth to be 4.4 to 4.6 billion years old
universe age
geologists believe the universe to be between 15 and 20 billi…
33 terms
Earth History
Pangaea
Absolute Dating
Relative Dating
Igneous Rock
A "super-continent" that was a single landmass about 260 mill…
Method of measuring the age of an event or object using radio…
Method to determine if an event or object is older or younger…
Is formed when magma cools and solidifies, this can be done b…
Pangaea
A "super-continent" that was a single landmass about 260 mill…
Absolute Dating
Method of measuring the age of an event or object using radio…
20 terms
History of the Earth
Rocks
Fossils
Natural Evidence
Fossil Record
Made up of one or more mineral, named by how they are formed.
The preserved remains or traces of organisms that once lived…
Proof found in nature.
Information about past life, including the structure of organ…
Rocks
Made up of one or more mineral, named by how they are formed.
Fossils
The preserved remains or traces of organisms that once lived…
33 terms
Earth History
Acid Test
Calcite
Correlate
Differential Erosion
A test conducted by geologists using diluted hydrochloric aci…
CaCO3 also known as calcium carbonate, this is the substance…
To find a relationship or connection between rock layers from…
When a mountain or plateau is made of layers of harder and so…
Acid Test
A test conducted by geologists using diluted hydrochloric aci…
Calcite
CaCO3 also known as calcium carbonate, this is the substance…
24 terms
History of Earth
Layers of the Earth's crust
Theory of plate tectonics
Evidence that supports the theory of p…
Convergent plate boundary
Crust, Mantle, Outer Core, Inner core
The crust is broken into several plates that slide atop the p…
Evidence the crust moves: Fossils, geological events/features…
When 2 plates collide, Mountains and Volcanoes form
Layers of the Earth's crust
Crust, Mantle, Outer Core, Inner core
Theory of plate tectonics
The crust is broken into several plates that slide atop the p…
47 terms
Earth Science History of the Earth
absolute age
amber
angular unconformity
bedding plane
process of determining an age on a specified time scale in ar…
fossilized tree resin (not sap)
an unconformity where horizontally parallel strata of sedimen…
surface that separates one stratum layer of stratified rock f…
absolute age
process of determining an age on a specified time scale in ar…
amber
fossilized tree resin (not sap)
31 terms
Earth History
Relative dating
igneous intrusion
fossils
index fossils
process of putting things in order in which they occurred
magma that cools and hardens underground that cuts through se…
evidence of past life preserved in rock layers
A fossil that is widespread that lived for only a certain len…
Relative dating
process of putting things in order in which they occurred
igneous intrusion
magma that cools and hardens underground that cuts through se…
19 terms
Earth History
Fossils
geologic time scale
precambrian
paleozoic
the remains of dead organisms that are only found in sediment…
describes the timing and relationships between events that ha…
the earliest era
the longest era with a lot of changes
Fossils
the remains of dead organisms that are only found in sediment…
geologic time scale
describes the timing and relationships between events that ha…
36 terms
Earths History
law of superposition
uniformitarianism
original horizontality
a
when the bottom layer of a series of sedimentary rock layers…
when rock is always older than the process (such as igneous i…
when sedimentary rocks are deposited in nearly horizontal lay…
which is an index fossil
law of superposition
when the bottom layer of a series of sedimentary rock layers…
uniformitarianism
when rock is always older than the process (such as igneous i…
15 terms
Earth History-Layers of the Earth
Earth Layers
Asthenosphere
Crust
Lava
(From outermost layer to innermost) Crust, mantle, outer core…
The flowing part of the upper mantle.
The outermost layer of the earth.
Melted rock that has oozed out of the earth.
Earth Layers
(From outermost layer to innermost) Crust, mantle, outer core…
Asthenosphere
The flowing part of the upper mantle.
20 terms
History of the Earth
Geologic Time Scale
Era
Period
Epoch
record of the geologic events and life forms in Earth's history
one of the three long units of geologic time between the Prec…
Era's are divided into these smaller units of geologic time
Periods are divided into these smaller units of geologic time
Geologic Time Scale
record of the geologic events and life forms in Earth's history
Era
one of the three long units of geologic time between the Prec…
20 terms
History of the Earth
Rocks
Fossils
Natural Evidence
Fossil Record
Made up of one or more mineral, named by how they are formed.
The preserved remains or traces of organisms that once lived…
Proof found in nature.
Information about past life, including the structure of organ…
Rocks
Made up of one or more mineral, named by how they are formed.
Fossils
The preserved remains or traces of organisms that once lived…
21 terms
Earth History
Superposition
Weathering
Colorado Plateau
Grand Canyon
The "rule" that older rock layers are on the bottom of sedime…
Rocks are physically and chemically broken down by water, air…
Large, level uplifted area of land in Arizona, Utah, Colorado…
A 277 mile long, 10 mile wide and 1 mile deep canyon cut thro…
Superposition
The "rule" that older rock layers are on the bottom of sedime…
Weathering
Rocks are physically and chemically broken down by water, air…
25 terms
Earth History
Earth Age
universe age
principle of uniformitarianism
relative dating
geologists believe the earth to be 4.4 to 4.6 billion years old
geologists believe the universe to be between 15 and 20 billi…
Earth processes occurring today are similar to those that occ…
establishes a time frame in relation to other materials (plac…
Earth Age
geologists believe the earth to be 4.4 to 4.6 billion years old
universe age
geologists believe the universe to be between 15 and 20 billi…
31 terms
Earth History
geologic time scale
fossil
fossil record
extinction
A record of the geologic events and life forms in Earth's his…
A preserved remnant or impression of an organism that lived i…
Information about past life, including the structure of organ…
The disappearance of all members of a species from Earth
geologic time scale
A record of the geologic events and life forms in Earth's his…
fossil
A preserved remnant or impression of an organism that lived i…
25 terms
Earth History
Earth Age
universe age
principle of uniformitarianism
relative dating
geologists believe the earth to be 4.4 to 4.6 billion years old
geologists believe the universe to be between 15 and 20 billi…
Earth processes occurring today are similar to those that occ…
establishes a time frame in relation to other materials (plac…
Earth Age
geologists believe the earth to be 4.4 to 4.6 billion years old
universe age
geologists believe the universe to be between 15 and 20 billi…
Earth History
absolute age
analogous structure
biological classification system
carbon film
Tells the actual age of a rock or fossil or how long ago an e…
Body parts that share a common function, but not structure
Grouping of organisms based on their physical traits and simi…
thin film of carbon residue preserved as a fossil
absolute age
Tells the actual age of a rock or fossil or how long ago an e…
analogous structure
Body parts that share a common function, but not structure
30 terms
History of the earth
Physical or mechanical weathering chan…
A plant that causes a rock to break do…
Weathering is usually
Pangaea was
the SIZE of the rocks
Moss
a GRADUAL process
A large land mass existing 200 million years ago
Physical or mechanical weathering chan…
the SIZE of the rocks
A plant that causes a rock to break do…
Moss
17 terms
Earth History
Geology
Geologic Time Scale
Eon
Period
The branch of science involving the physical composition and…
The system of time measurement involving the formation of and…
Very large division of geologic time; usually referred to as…
Subdivision of an era
Geology
The branch of science involving the physical composition and…
Geologic Time Scale
The system of time measurement involving the formation of and…
15 terms
Earth History
Geologist
Rock
Geology
Constructive Forces
Scientist who study the forces that make and shape planet Earth
Material that forms Earths hard surface
The study of planet Earth
Shape the surface by building mountains and landmass
Geologist
Scientist who study the forces that make and shape planet Earth
Rock
Material that forms Earths hard surface
30 terms
History of Earth
Earthquake
Latitude
Trace Fossil
Petrified Fossils
A shaking or sliding of the ground. It is caused by the sudde…
Distance in degrees north or south of the equator
A type of fossil that provides evidence of the activities of…
Fossils in which minerals replace all or part of an organism.
Earthquake
A shaking or sliding of the ground. It is caused by the sudde…
Latitude
Distance in degrees north or south of the equator
20 terms
Earth History
Natural Hazard
Renewable Energy
Weathering
Catastrophic Event
a threat of a naturally occurring event that will have a nega…
energy that comes from resources that are naturally replenish…
the physical or chemical breakdown of rocks into smaller pieces
an occurrence or event that causes widespread destruction and…
Natural Hazard
a threat of a naturally occurring event that will have a nega…
Renewable Energy
energy that comes from resources that are naturally replenish…
14 terms
Earth History
geologic time scale
index fossil
Law of Superposition
unconformity
chart organized by scientists that divides Earth's history in…
fossils of species that existed on Earth only during specific…
scientific law that states in undisturbed sedimentary rock la…
a gap in the sedimentary rock record that is due to erosion w…
geologic time scale
chart organized by scientists that divides Earth's history in…
index fossil
fossils of species that existed on Earth only during specific…
40 terms
Earth History
We study fossils
index fossils
the fossil record
organisms that are similar to some org…
to provide information about how current life forms would exi…
can ofte allow scientists to estimate the ages of rocks
leads scientists to believe life on Earth began about 3.5 bil…
allow scientists to see how organisms have changed over time
We study fossils
to provide information about how current life forms would exi…
index fossils
can ofte allow scientists to estimate the ages of rocks
9 terms
Earth History
Fossil
Index Fossil
Relative Dating
Absolute Dating
The preserved remains or traces of an organism that lived in…
a fossil known to have lived in a particular geologic age tha…
A method of determining the age of fossils by comparing them…
A technique used to determine the actual age of a fossil
Fossil
The preserved remains or traces of an organism that lived in…
Index Fossil
a fossil known to have lived in a particular geologic age tha…
20 terms
Earth History Vocabulary List
eon
era
period
epoch
Longest time unit in the geologic time scale, measured in bil…
Second longest time unit in the geological time scale defined…
Third-longest time unit in the geologic time scale, measured…
Time unit in the geologic time scale, smaller than a period,…
eon
Longest time unit in the geologic time scale, measured in bil…
era
Second longest time unit in the geological time scale defined…
25 terms
Earth History
Earth Age
universe age
principle of uniformitarianism
relative dating
geologists believe the earth to be 4.4 to 4.6 billion years old
geologists believe the universe to be between 15 and 20 billi…
Earth processes occurring today are similar to those that occ…
establishes a time frame in relation to other materials (plac…
Earth Age
geologists believe the earth to be 4.4 to 4.6 billion years old
universe age
geologists believe the universe to be between 15 and 20 billi…
16 terms
History of the Earth
What provided the heat for the inner c…
Why is the internal heat (and) energy…
Why is the presence of the atmosphere…
What allowed for the atmosphere to dev…
The impact of large bodies and the decay of radioactive eleme…
The energy and heat is the driving force for the movements of…
The atmosphere is essential for sustaining life. It provides…
Volcanic activity released gases and ice comets allowed for t…
What provided the heat for the inner c…
The impact of large bodies and the decay of radioactive eleme…
Why is the internal heat (and) energy…
The energy and heat is the driving force for the movements of…
21 terms
Earth History
Weathering
Absolute Dating
Unconformity
Index fossil
the breaking down of bigger rocks into smaller rocks. 2 types…
determining the age of an object in number of years, using ra…
a gap in the geologic column caused by erosion of sediment an…
a fossil that is used in relative dating because it lived onl…
Weathering
the breaking down of bigger rocks into smaller rocks. 2 types…
Absolute Dating
determining the age of an object in number of years, using ra…
12 terms
Earth History
absolute age
bedrock
correlation
geologic time scale
the age of a rock given as the number of years since the rock…
the solid layer of rock beneath the soil
matching rock layers across large distances using various met…
scale used by paleontologists to represent evolutionary time
absolute age
the age of a rock given as the number of years since the rock…
bedrock
the solid layer of rock beneath the soil
25 terms
Earth History
Earth Age
universe age
principle of uniformitarianism
relative dating
geologists believe the earth to be 4.4 to 4.6 billion years old
geologists believe the universe to be between 15 and 20 billi…
Earth processes occurring today are similar to those that occ…
establishes a time frame in relation to other materials (plac…
Earth Age
geologists believe the earth to be 4.4 to 4.6 billion years old
universe age
geologists believe the universe to be between 15 and 20 billi…
20 terms
Earth History
Crust
Mantle
Tectonic plates
Asthenosphere
(aka; Lithosphere) The first layer of the Earth consists of a…
Second layer of the Earth; much thicker than the crust at alm…
8 large and many small sections of the Earth's crust that sli…
liquid magma part of the mantle where tectonic plates float
Crust
(aka; Lithosphere) The first layer of the Earth consists of a…
Mantle
Second layer of the Earth; much thicker than the crust at alm…
8 terms
Earth History
sample
calcite
carbonate
limestone
small, representative pieces
common mineral composed of calcium, carbon, and oxygen
combination of carbon and oxygen
rocks containing calcite
sample
small, representative pieces
calcite
common mineral composed of calcium, carbon, and oxygen
9 terms
History of the earth: Earth science
earth
equator
expand
fossil
the planet on which we live; the world.
an imaginary line drawn around the earth equally distant from…
become or make larger or more extensive.
the remains or impression of a prehistoric organism preserved…
earth
the planet on which we live; the world.
equator
an imaginary line drawn around the earth equally distant from…
12 terms
The History of Earth
Biodiversity
Extinct
Extinction
Fossil
the variety of life that exists in a particular habitat or ec…
no longer existing
when the last of a species population dies out and it can no…
any remains, trace, or imprint of animal or plant life preser…
Biodiversity
the variety of life that exists in a particular habitat or ec…
Extinct
no longer existing
13 terms
Earth History
Period
Era
epoch
devonian
unit of time that fits within an era
Largest unit of time
unit of time that fits within a period
has the age of fishes
Period
unit of time that fits within an era
Era
Largest unit of time
29 terms
Earth History
fossils
mold
cast
petrified fossil
The preserved remains or traces of organisms that once lived…
A type of fossil formed when a shell or other hard part of an…
forms when a mold is filled with sand or mud that hardens int…
a fossil formed when minerals replace all or part of an organ…
fossils
The preserved remains or traces of organisms that once lived…
mold
A type of fossil formed when a shell or other hard part of an…
10 terms
earth history
radioactive dating
relative dating
law of superposition
faunal succession
places events or rocks in their order of occurrence
places events or rocks at a specific time
each bed in a sequence of sedimentary rocks is younger than t…
groups of fossil animals and plants occur throughout the geol…
radioactive dating
places events or rocks in their order of occurrence
relative dating
places events or rocks at a specific time
6 terms
Earth History
law of superpostion
fossil
relative age
absolute age
the principal that states that younger rocks lie above older…
A preserved remnant or impression of an organism that lived i…
The age of a rock compared to the ages of rock layers
the age of a rock given as the number of years since the rock…
law of superpostion
the principal that states that younger rocks lie above older…
fossil
A preserved remnant or impression of an organism that lived i…
44 terms
Earth History
Law of Superposition
relative age dating
index fossil
Man Made
States that older rock is found on the bottom and younger roc…
Determining an estimated age of a fossil or rock layer.
Unique, widespread, abundant, and short lived organism can be…
When extinction is caused by effects humans had on the planet.
Law of Superposition
States that older rock is found on the bottom and younger roc…
relative age dating
Determining an estimated age of a fossil or rock layer.
12 terms
History of earth
relative dating
absolute dating
superposition
half life
method of determining the age of a fossil by comparing its pl…
A technique used to determine the actual age of a fossil
a principle that states that younger rocks lie above older ro…
The time required for half the atoms of a radioactive nuclide…
relative dating
method of determining the age of a fossil by comparing its pl…
absolute dating
A technique used to determine the actual age of a fossil
20 terms
History of the Earth
abrasion
absolute age
atmospheric pressure
convection
A wearing away or rubbing away by friction.
The age of a rock given as the number of years since the rock…
Force exerted by the weight of the air
The transfer of heat by the movement of a fluid
abrasion
A wearing away or rubbing away by friction.
absolute age
The age of a rock given as the number of years since the rock…
14 terms
History of Earth
evolution
theory
radiometric dating
radioactive isotope
the change in population over time
a scientific explanation that has been repeatedly confirmed t…
calculating the age of an object by measuring proportions of…
an unstable form of element that decays into a stable element…
evolution
the change in population over time
theory
a scientific explanation that has been repeatedly confirmed t…
37 terms
Earth History
P waves
S waves
L waves
Focus
Primary waves- they are the fastest & travel through solids,…
Secondary waves they are a slower wave & they can only travel…
Love waves are surface waves and are the slowest and most des…
The point where the earthquake originates in the crust.
P waves
Primary waves- they are the fastest & travel through solids,…
S waves
Secondary waves they are a slower wave & they can only travel…
12 terms
History of Earth
uniformitarianism
fossil
trace fossil
climate
states that geologic processes that happened in the past can…
the trace or remains of an organism that lived long ago, most…
a fossilizes structure that formed in sedimentary rock by ani…
describes the weather conditions in the area over a long peri…
uniformitarianism
states that geologic processes that happened in the past can…
fossil
the trace or remains of an organism that lived long ago, most…
23 terms
Unit 3: History of the Earth
Uniformitarianism
Relative Age [1]
Law of Superposition [1]
Unconformity [1]
Definition: the assumption that the same natural laws and pro…
Definition: the geologic age of a fossil organism, rock, or g…
Definition: law that states older rock would be underneath yo…
Definition: a surface between successive strata representing…
Uniformitarianism
Definition: the assumption that the same natural laws and pro…
Relative Age [1]
Definition: the geologic age of a fossil organism, rock, or g…
29 terms
Earth History
Absolute Dating
Adaptation
Anologous Structure
Cenozoic Era
Finding the exact date of a rock or fossil.
Beneficial trait allows an organism to be better suited for s…
Structure that may appear the same and have similar functions…
Age of Mammals. Began 66 million years ago and continues to t…
Absolute Dating
Finding the exact date of a rock or fossil.
Adaptation
Beneficial trait allows an organism to be better suited for s…
12 terms
HIstory of the Earth & Rocks Unit
granite
pebble
erode
rock cycle
(noun) a hard volcanic rock used to make monuments and buildi…
(noun) a small, smooth stone
(verb) to wear away rock or soil by water, wind, or ice
(noun) the series of changes that rock undergoes as it cycles…
granite
(noun) a hard volcanic rock used to make monuments and buildi…
pebble
(noun) a small, smooth stone
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