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Study sets matching "science plate tectonics floor spreading"

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Study sets matching "science plate tectonics floor spreading"

16 terms
Science Plate Tectonics and Sea-Floor Spreading
Mid ocean ridges
sea-floor spreading
subduction
both subduction and sea-floor spreading
Form the longest mountain ranges on Earth; a chain of underwa…
Adds more crust to the ocean floor; exposes the mantle
occurs at deep-ocean trenches; when the more dense plate subd…
change the size and shape of the oceans
Mid ocean ridges
Form the longest mountain ranges on Earth; a chain of underwa…
sea-floor spreading
Adds more crust to the ocean floor; exposes the mantle
18 terms
Science plate tectonics and sea floor spreading
Continental drift
Pangea
Fossil
Wegner's hypothesis about climate change
Wegner's theory that the continents are slowly moving
300 million years ago when all the continents were one big su…
Any trace of an ancient organism preserved in a rock
As a continent gets closer to the equator, it's climate gets…
Continental drift
Wegner's theory that the continents are slowly moving
Pangea
300 million years ago when all the continents were one big su…
14 terms
Science- Sea Floor Spreading and Plate Tectonics
mid-ocean ridge
sonar
sea-floor spreading
deep-ocean trench
An undersea mountain chain where new ocean floor is produced;…
A device that determines the distance of an object under wate…
The process by which molten material adds oceanic crust to th…
A deep valley along the ocean floor beneath which oceanic cru…
mid-ocean ridge
An undersea mountain chain where new ocean floor is produced;…
sonar
A device that determines the distance of an object under wate…
26 terms
Plate Tectonics & Sea Floor Spreading
Plate Tectonics
Alfred Wegener
Pangaea
Crust
The theory that the earth is broken into plates and are in mo…
The scientist who proposed the continental drift theory in th…
term for the super continent which contained all the plates t…
The thin and solid outermost layer of the Earth above the man…
Plate Tectonics
The theory that the earth is broken into plates and are in mo…
Alfred Wegener
The scientist who proposed the continental drift theory in th…
20 terms
Sea-Floor Spreading and Plate Tectonics
Sea-Floor Spreading
Sonar
Convergent Boundary
Mid-Ocean Ridge
the process by which molten material adds new oceanic crust t…
a device that determines the distance of an object under wate…
a plate boundary where two plates move toward each other
an undersea mountain chain where new ocean floor is produced
Sea-Floor Spreading
the process by which molten material adds new oceanic crust t…
Sonar
a device that determines the distance of an object under wate…
9 terms
Sea Floor Spreading/Plate Tectonics
mid-ocean ridge
sea-floor spreading
deep-ocean trench
subduction
an undersea MOUNTAIN chain where new ocean floor is produced;…
the process by which molten material adds new oceanic crust t…
a deep valley along the ocean floor beneath which oceanic cru…
the process by which oceanic crust SINKS beneath a deep-ocean…
mid-ocean ridge
an undersea MOUNTAIN chain where new ocean floor is produced;…
sea-floor spreading
the process by which molten material adds new oceanic crust t…
21 terms
Sea Floor Spreading and Plate Tectonics
The formation of new areas of oceanic…
Plates
It states that pieces of Earth's litho…
Fault
Sea Floor Spreading
The lithosphere is broken into _____________.
What does the theory of plate tectonics state?
breaks in Earth's crust where rocks have slipped past each ot…
The formation of new areas of oceanic…
Sea Floor Spreading
Plates
The lithosphere is broken into _____________.
11 terms
Sea Floor Spreading and Plate Tectonics
Mid Ocean Ridge
Sonar
Sea floor spreading
Deep Ocean trench
A line of hills mountains in the middle of most oceans
Using sound waves to make maps of what is underwater
New ocean floor being made at the mid ocean ridge and moving…
I deep valley in the middle of the ocean
Mid Ocean Ridge
A line of hills mountains in the middle of most oceans
Sonar
Using sound waves to make maps of what is underwater
44 terms
Katie Science - Plate Tectonics Section 4 sea-floor Spreading
What is the process of sea-floor sprea…
What is the evidence for sea-floor spr…
What happens at deep-ocean trenches?
Deep in the ocean, the temperature is…
In sea-floor spreading, the sea floor spreads apart along bot…
Several types of evidence supported Hess's theory of sea-floo…
In a process taking tens of millions of years, part of the oc…
Yet some areas of the deep-ocean floor are teeming with life.…
What is the process of sea-floor sprea…
In sea-floor spreading, the sea floor spreads apart along bot…
What is the evidence for sea-floor spr…
Several types of evidence supported Hess's theory of sea-floo…
23 terms
Sea-Floor Spreading and Plate Tectonics
valley/canyon
youngest
mid-ocean ridges
same
A deep-ocean trench is an underwater _________.
The__________rocks on the ocean floor are always found at the…
Sea-floor spreading takes place at ___________.
The pattern of magnetic stripes in rocks on either side of a…
valley/canyon
A deep-ocean trench is an underwater _________.
youngest
The__________rocks on the ocean floor are always found at the…
18 terms
Continental drift, sea floor spreading and plate tectonics
conduction
radiation
convection
density
the transfer of heat by direct contact of particle of matter
the transfer of energy through empty space
the transfer of heat by the movements of a heated fluid
the amount of matter in a given space; mass per unit volume
conduction
the transfer of heat by direct contact of particle of matter
radiation
the transfer of energy through empty space
23 terms
Plate Tectonics & Sea Floor Spreading
Divergent
Convergent
Transform
Continental Crust
Plates Move Away
Plates shift towards eachother
Plates rub against each other
Buoyant, 10-70 km thick
Divergent
Plates Move Away
Convergent
Plates shift towards eachother
24 terms
Sea Floor Spreading and plate tectonics
Harry Hess
mid-ocean ridges
sonar
longest mountain ranges
came up with the hypothesis of sea-floor spreading
form long chains of mountains that rise from ocean floor
device that uses sound waves to measure the distance to an ob…
mid-ocean ridges
Harry Hess
came up with the hypothesis of sea-floor spreading
mid-ocean ridges
form long chains of mountains that rise from ocean floor
33 terms
Plate Tectonics & Sea Floor Spreading
Continental Drift
Pangaea
Four pieces of evidence for continenta…
What was the one objection that critic…
hypothesis that originally proposed that the continents had o…
proposed supercontinent that 200 million years ago began to b…
Continental puzzle... Matching Fossils... Matching Rocks and Struct…
Wegener's idea of the mechanism capable of moving the contine…
Continental Drift
hypothesis that originally proposed that the continents had o…
Pangaea
proposed supercontinent that 200 million years ago began to b…
17 terms
Plate Tectonics/ Sea-Floor Spreading/ Plate Boundaries
Lithosphere
Plates
Asthenosphere
Convection Currents
The Earth's crust and the top portion of the upper mantle.
What makes up the lithosphere.
The rest of the upper mantle.
Causes the asthenosphere to move slowly.
Lithosphere
The Earth's crust and the top portion of the upper mantle.
Plates
What makes up the lithosphere.
10 terms
Plate Tectonics, Sea-Floor Spreading and Drifting Continents (Earth Science)
Describe Alfred Wegener's hypothesis a…
What is Pangaea?
Explain the evidence supporting the hy…
Why was Wegener's hypothesis rejected?
Around 1912, Alfred came up with the idea that all the contin…
Pangaea was a supercontinent made up of all the separate cont…
LAND FEATURES: South America and Africa fit together. Their m…
Wegener couldn't provide a satisfactory explanation for the f…
Describe Alfred Wegener's hypothesis a…
Around 1912, Alfred came up with the idea that all the contin…
What is Pangaea?
Pangaea was a supercontinent made up of all the separate cont…
22 terms
Plate tectonics and sea floor spreading
Sea-floor spreading
Mid-ocean ridge
Ocean floor
Ocean crust (sea floor)
The process by which new crust is added to the ocean floor
-Longest mountain chain in the world... -A giant divergent bound…
New eruptions push the older ocean crust to each side- AWAY f…
SUBDUCTS (slides under) the continental crust at a DEEP OCEAN…
Sea-floor spreading
The process by which new crust is added to the ocean floor
Mid-ocean ridge
-Longest mountain chain in the world... -A giant divergent bound…
25 terms
Sea Floor Spreading and Plate Tectonics
The formation of new areas of oceanic…
Plates
Earth's lithosphere are in slow, const…
Fault
Seafloor Spreading
The lithosphere is broken into _____________.
theory of plate tectonics
breaks in Earth's crust where rocks have slipped past each ot…
The formation of new areas of oceanic…
Seafloor Spreading
Plates
The lithosphere is broken into _____________.
8 terms
Plate Tectonics/Sea Floor Spreading
Pangea
Evidence
Landforms
Fossils
Name given to the single land mass that split and moves apart…
•Landforms... •Fossils... •Climate... •Magnetic...... •Satellite and Sona…
Shake of continental coastlines, mountain ranges, coal fields
Same plant and animal fossils on continents now separated by…
Pangea
Name given to the single land mass that split and moves apart…
Evidence
•Landforms... •Fossils... •Climate... •Magnetic...... •Satellite and Sona…
25 terms
Plate Tectonics and Sea-Floor Spreading
Plates
Divergent boundary
Convergent boundary
Transform boundary
pieces of Earth's lithosphere
boundary where plates move away from each other
boundary where plates come together
boundary where plates slip past one another
Plates
pieces of Earth's lithosphere
Divergent boundary
boundary where plates move away from each other
Continental Drift, Plate Tectonics & Sea-Floor Spreading Vocab- Earth Science
Geology
pressure
crust
Mantle
the study of the earth
the amount of force pushing on a surface or area.
the outermost layer of the Earth that forms the Earth's surfa…
the layer of hot, solid material between Earth's crust and th…
Geology
the study of the earth
pressure
the amount of force pushing on a surface or area.
11 terms
Plate Tectonics and Sea-Floor Spreading
Mid-Ocean Ridges
Sonar
GPS/GIS
Sea-Floor Spreading
An undersea mountain chain where new clean floor is produced;…
A device that bounces sound waves off underwater objects and…
Used to monitor mid-ocean ridges and sea floor spreading. Bot…
The process of continually adding new material to the ocean f…
Mid-Ocean Ridges
An undersea mountain chain where new clean floor is produced;…
Sonar
A device that bounces sound waves off underwater objects and…
11 terms
Plate tectonics and sea-floor spreading
GPS
Magnetic Poles
Plate Tectonics
Sea-floor Spreading
Satellite device used to Monitor movements of the plates.
The two points on earth surface where a compass needle stands…
The theory that explains how the earths plates are in slow co…
Process by which new material is added to the ocean floor.
GPS
Satellite device used to Monitor movements of the plates.
Magnetic Poles
The two points on earth surface where a compass needle stands…
Continental Drift, Plate Tectonics & Sea-Floor Spreading Vocab- Earth Science
Geology
pressure
crust
Continental Crust
the study of the earth
the amount of force pushing on a surface or area.
the outermost layer of the Earth that forms the Earth's surfa…
Type of crust that makes up the Earth's continents and landma…
Geology
the study of the earth
pressure
the amount of force pushing on a surface or area.
13 terms
Plate Tectonics/ Sea Floor Spreading
Sea floor spreading
Evidence supporting sea floor spreading
Explain the age of rock on ocean floor
Explain density of rock on ocean floor
The process of lava making mew crust for the ocean floor
Pillow rocks/ magnetized stripes/ rock samples
The further away from the mid ocean ridge the older the rock
Rock is denser in the ocean than land
Sea floor spreading
The process of lava making mew crust for the ocean floor
Evidence supporting sea floor spreading
Pillow rocks/ magnetized stripes/ rock samples
35 terms
Sea Floor Spreading and Plate Tectonics
mid-ocean ridge
sonar
how long is the mid ocean ridge
how to measure distance under water
the longest chain of mountains in the world which was mapped…
a device that bounces sound waves off underwater objects and…
more than 50,000 kilometers long
by the time it takes for the sonars echos to arrive
mid-ocean ridge
the longest chain of mountains in the world which was mapped…
sonar
a device that bounces sound waves off underwater objects and…
16 terms
Plate Tectonics/ Sea-Floor Spreading/ Plate Boundaries
Lithosphere
Plates
Asthenosphere
Convection Currents
The Earth's crust and the top portion of the upper mantle.
What makes up the lithosphere.
The rest of the upper mantle.
Causes the asthenosphere to move slowly.
Lithosphere
The Earth's crust and the top portion of the upper mantle.
Plates
What makes up the lithosphere.
15 terms
Plate Tectonics and Sea Floor Spreading
Divergent
Convergent
Transform
Pangea
To Pull Apart
Push Together
Rub
The theory that all continents were once a super continent
Divergent
To Pull Apart
Convergent
Push Together
11 terms
Sea-floor spreading and plate tectonics
Mid-ocean ridge
Sonar
GPS
Sea-Floor Spreading
Any of several seismically active submarine mountain ranges t…
A method for detecting and locating objects submerged in wate…
Global Positioning System: a global system of U.S. Navigation…
A process in which new ocean floor is created as molten mater…
Mid-ocean ridge
Any of several seismically active submarine mountain ranges t…
Sonar
A method for detecting and locating objects submerged in wate…
34 terms
Plate Tectonics and Sea Floor Spreading
Asthenosphere
Lithosphere
Strata
Folded Strata
The plastic mantle beneath the lithosphere, allows plate move…
Consists of the crust and the rigid upper mantle
The horizontal layers in which rock forms
Formed when lateral forces on Earth's crust push together and…
Asthenosphere
The plastic mantle beneath the lithosphere, allows plate move…
Lithosphere
Consists of the crust and the rigid upper mantle
23 terms
Plate Tectonics and sea floor spreading
Plate tectonics
Plates
Divergent boundary
Convergent
Theory that peices of lithosphernslowly move driven by convec…
A section of the lithosphere that slowly moves over the asthe…
Pull apart
Collide
Plate tectonics
Theory that peices of lithosphernslowly move driven by convec…
Plates
A section of the lithosphere that slowly moves over the asthe…
14 terms
Tectonic Plates and Sea floor Spreading
Sonar
Deep Ocean Trench
Transform boundary
Subduction
A device that bounces sound waves off of objects
Where subduction takes place
The place where two plates slip past each other
Process by which the ocean floor sinks beneath a deep ocean t…
Sonar
A device that bounces sound waves off of objects
Deep Ocean Trench
Where subduction takes place
11 terms
Science Sea-Floor Spreading/ Plate Tectonics Quiz Vocab
mid-ocean ridge
deep-ocean trench
sea-floor spreading
subduction
An under sea mountain chain where new ocean floor is produced…
A deep valley along the ocean floor beneath which oceanic cru…
The process by which molten material adds new oceanic crust t…
The process in which oceanic crust sinks beneath a deep-ocean…
mid-ocean ridge
An under sea mountain chain where new ocean floor is produced…
deep-ocean trench
A deep valley along the ocean floor beneath which oceanic cru…
22 terms
Sea Floor Spreading and Plate Tectonics
Where does a Deep-Ocean Trench occur?
What happens at a Deep-Ocean Trench?
Where does a Mid-Ocean Ridge occur?
What happens at a Mid-Ocean Ridge?
A convergent plate boundary where one continental plate and o…
Old Ocean Floor sinks toward the mantle
A divergent plate boundary; 2 oceanic plates move away from e…
Sea-Floor Spreading occurs
Where does a Deep-Ocean Trench occur?
A convergent plate boundary where one continental plate and o…
What happens at a Deep-Ocean Trench?
Old Ocean Floor sinks toward the mantle
36 terms
Science Drifting continents, sea-floor spreading, the theory of plate tectonics
state the hypothesis of continental dr…
Describe the land feature that provide…
What role did the fossil Giossapteris…
How did Wegener use climate evidence t…
the hypothesis of continental drift that the continents used…
the land features that provided evidence for Wegener's hypoth…
the role that the fossil "Glossopteris" played in Wegener's h…
by saying that fossils that came from cold climates could've…
state the hypothesis of continental dr…
the hypothesis of continental drift that the continents used…
Describe the land feature that provide…
the land features that provided evidence for Wegener's hypoth…
44 terms
Science continental drift, sea floor spreading, and plate tectonics
Alfred Wegner
Continents have moved slowly to their…
Pangaea
The continents plowed through the ocea…
Who proposed the hypothesis of continental drift?
What is the hypothesis of continental drift?
All continents were once connected as one landmass called?
What did Alfred Wegner propose about the continental drift?
Alfred Wegner
Who proposed the hypothesis of continental drift?
Continents have moved slowly to their…
What is the hypothesis of continental drift?
31 terms
7th Grade Science - plate Tectonics and Sea Floor Spreading
Continental Drift
Pangaea
What was known as the "Super Continent"
Plate
Wegeners hypothesis that all continents were once connected i…
Large, ancient landmass that was composed of all continents j…
Pangaea
Large section of Earth's oceanic or continental crust and rig…
Continental Drift
Wegeners hypothesis that all continents were once connected i…
Pangaea
Large, ancient landmass that was composed of all continents j…
39 terms
Science Unit Test (tectonic plates, sea floor spreading,rocks)
When a rock cools and requires polarit…
The oldest rocks on the seafloor appea…
More frequent volcanoes and earthquake…
Definition of a rock
Orient themselves to the current magnetic North
Closest to the continental edge
More active tectonic plate line
naturally formed group of minerals bound together
When a rock cools and requires polarit…
Orient themselves to the current magnetic North
The oldest rocks on the seafloor appea…
Closest to the continental edge
12 terms
Chapter 4 Sea-floor Spreading + Plate Tectonics
mid-ocean ridge
sonar
sea-floor spreading
deep-ocean trench
an undersea mountain chain where new ocean floor is produced
device to determine the distance of an object under water by…
the process by which molten material adds new oceanic crust t…
a deep valley along the ocean floor beneath which oceanic cru…
mid-ocean ridge
an undersea mountain chain where new ocean floor is produced
sonar
device to determine the distance of an object under water by…
53 terms
SEA FLOOR SPREADING, CONTINENTAL DRIFT, PLATE TECTONICS
Who was Alfred Wegener
What name was given to this single lan…
When did Pangaea form?
Based on your understanding of Pangaea…
A simple German scientist who hypothesized that the Earth's c…
Pangaea
Pangaea formed about 300 million years ago.
Yes, there will likely be another supercontinent. We know tha…
Who was Alfred Wegener
A simple German scientist who hypothesized that the Earth's c…
What name was given to this single lan…
Pangaea
30 terms
DIFF Plate Tectonics & Sea Floor Spreading
What is formed along a divergent bound…
Why was the hypothesis of continental…
Which process is the main source of th…
Describe what happens when an oceanic…
New ocean crust forms
Wegener couldn't explain how or why continents moved.
Slab-pull
A trench and a mountain range with many volcanoes form.
What is formed along a divergent bound…
New ocean crust forms
Why was the hypothesis of continental…
Wegener couldn't explain how or why continents moved.
51 terms
Plate Tectonics/Sea-Floor Spreading/Continental Drift
who was Alfred Wagner?
what did scientists use to determine t…
what force is trying to push down the…
The pacific ocean is shrinking why?
a German Scientist who the believes that the ... country's were…
Sonar... Seismograph, and sound waves.
Gravity
Compare subduction around the Atlantic and Pacific Oceans.
who was Alfred Wagner?
a German Scientist who the believes that the ... country's were…
what did scientists use to determine t…
Sonar... Seismograph, and sound waves.
56 terms
Drifting Continents - Sea Floor Spreading - Plate Tectonics
What parts of Africa and South America…
Who came up with the theory of contine…
When was the theory of continental dri…
How did the theory of continental drif…
The coast lines
German scientist Alfred Wegener
1910
Alfred Wegener noticed that some continents looked like the c…
What parts of Africa and South America…
The coast lines
Who came up with the theory of contine…
German scientist Alfred Wegener
21 terms
Continents-Sea-Floor Spreading-Theory of Plate Tectonics
Density
Convection Current
Continental Drift
Pangaea
The amount of mass in a given space; mass per unit volume.... ma…
The movement of a fluid, caused by differences in temperature…
The hypothesis that the continents slowly move across Earths'…
The name of the single landmass that broke apart 200 million…
Density
The amount of mass in a given space; mass per unit volume.... ma…
Convection Current
The movement of a fluid, caused by differences in temperature…
11 terms
Continental drift. Sea floor spreading plate tectonics
Lithosphere
Asthenosphere
Convection currents
Convergent plate boundry
A rigid layer made up of the uppermost part of the mantle and…
The soft layer of the mantle on which the lithosphere floats
The movement of a fluid caused by differences in temp that tr…
A plate boundry where 2 other plates move toward each other
Lithosphere
A rigid layer made up of the uppermost part of the mantle and…
Asthenosphere
The soft layer of the mantle on which the lithosphere floats
10 terms
Plate Tectonics: 1.4, Sea-Floor Spreading
What technology did scientists use in…
In sea-floor spreading, molten materia…
How did scientists discover that rocks…
What did scientists in a submersible s…
sonar
along mid-ocean ridges
by determining the age of rock samples obtained by drilling o…
rocks formed by the rapid hardening of molten material
What technology did scientists use in…
sonar
In sea-floor spreading, molten materia…
along mid-ocean ridges
28 terms
Prentice Hall Science Explorer Inside Earth Chapter 1, Continental Drift, Sea-Floor Spreading & Plate Tectonics
Alfred Wegener
continental drift
Pangaea
Fossil
proposed the theory of continental drift, but could find how…
The hypothesis that the continents slowly move across Earth's…
The name of the single landmass that broke apart 200 million…
A trace of an ancient organism that has been preserved in rock
Alfred Wegener
proposed the theory of continental drift, but could find how…
continental drift
The hypothesis that the continents slowly move across Earth's…
Continents-Sea-Floor Spreading-Theory of Plate Tectonics
Density
Convection Current
Continental Drift
Pangaea
The amount of mass in a given space; mass per unit volume.... ma…
The movement of a fluid, caused by differences in temperature…
The hypothesis that the continents slowly move across Earths'…
The name of the single landmass that broke apart 200 million…
Density
The amount of mass in a given space; mass per unit volume.... ma…
Convection Current
The movement of a fluid, caused by differences in temperature…
Sea-Floor Spreading , Subduction and Plate Tectonics
mid-ocean ridge
sea-floor spreading
deep-ocean trench
subduction
an undersea mountain chain where new ocean floor is produced
the process by which molten material adds new oceanic crust t…
a deep valley along the ocean floor beneath which oceanic cru…
oceanic crust is forced down beneath a deep-ocean trench and…
mid-ocean ridge
an undersea mountain chain where new ocean floor is produced
sea-floor spreading
the process by which molten material adds new oceanic crust t…
16 terms
Drifting continents, Sea floor spreading, plate tectonics
scientific theory
fault
rift valley
transform boundary
a well tested explanation for a wide range of observations or…
a plate in earth's crust where masses of rock slip past each…
a deep valley that forms where two plates move apart
a plate boundary where two plates move past each other in opp…
scientific theory
a well tested explanation for a wide range of observations or…
fault
a plate in earth's crust where masses of rock slip past each…
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