plate tectonics Crossword Puzzles

Plate Tectonics 2021-12-09

Plate Tectonics crossword puzzle
Across
  1. What type of boundary forms subduction?
  2. What type of boundary forms rifts and ridges?
  3. What pattern do volcanoes normally form on a map?
  4. What layer of the Earth has a convection cycle, ultimately causing plate tectonics?
  5. What is created at a transform boundary (besides an earthquake)?
  6. Hess originally discovered this phenomena
  7. What theory comprises the phenomenon that the plates "drift" across the lithosphere?
  8. What type of valley forms at a divergent plate boundary?
  9. What force in the mantle moves the plates?
Down
  1. What is one sign of a active volcano?
  2. What type of wave does a seismograph read?
  3. What is the innermost layer of the Earth?
  4. What scientific rule says that matter cannot be created nor destroyed?
  5. What ridge is formed at a divergent plate boundary?
  6. How is old plate material "recycled" back into the Earth?
  7. What phenomena did Alfred Wegener discover?

16 Clues: What is one sign of a active volcano?What type of boundary forms subduction?What is the innermost layer of the Earth?Hess originally discovered this phenomenaWhat type of wave does a seismograph read?What force in the mantle moves the plates?What phenomena did Alfred Wegener discover?What type of boundary forms rifts and ridges?...

Plate tectonics 2021-12-14

Plate tectonics crossword puzzle
Across
  1. rock that cools outside of the earth's crust
  2. what theory supports the continents driting
  3. that are exposed to high temperatures and heats than turn solid and cold are?
  4. what is a super continent that was made millions of years ago
  5. what type of natural diaster plates make when they rub together
  6. when a plate slides against another plate
  7. rock that cools under the earth's surface
Down
  1. what is the process of water, wind and heat break down rock
  2. when plates move towards each other
  3. when plate move away from eachother
  4. when magma cools quickly what texture does it have
  5. what has been on earth for a while and is still developing to this day
  6. what causes the earth's plates to move
  7. in the rock cycle what rock cools
  8. oceanic crust is formed by this boundry
  9. what characteristic would you use to see if a rock is extrusive or intrusive

16 Clues: in the rock cycle what rock coolswhen plates move towards each otherwhen plate move away from eachotherwhat causes the earth's plates to moveoceanic crust is formed by this boundrywhen a plate slides against another platerock that cools under the earth's surfacewhat theory supports the continents dritingrock that cools outside of the earth's crust...

Plate Tectonics 2022-01-05

Plate Tectonics crossword puzzle
Across
  1. long chains of mountains that rise up from the ocean floor.
  2. is a mountain that forms in the earth's crust when molten material or magma reaches the surface.
  3. plates dip past eachother.
  4. deep underwater canyons.
  5. plates come togther.
  6. breaks in the earths crust which rocks slip past eachother
  7. something that is broken into pieces are seperated by cracks.
Down
  1. is a molten mixture of rock-forming substances, gases, and water from the mantle.
  2. plates move apart.
  3. heat transfer by the movement of fluid.
  4. the flow that transfers heat with a fluid.
  5. when magma reaches the surface.
  6. what Wagner called the supercontinent.
  7. a major belt of volcanos.
  8. heat transfer between materials that are touching.
  9. The transfer of energy that is carried in rays like light.

16 Clues: plates move apart.plates come togther.deep underwater canyons.a major belt of volcanos.plates dip past eachother.when magma reaches the surface.what Wagner called the supercontinent.heat transfer by the movement of fluid.the flow that transfers heat with a fluid.heat transfer between materials that are touching....

Plate Tectonics 2016-11-08

Plate Tectonics crossword puzzle
Across
  1. a crack in the earth's crust
  2. a boundary formed where plates slip past each other
  3. the process in which dense crust sinks below less dense crust
  4. the shaking that results form the movement of rock beneath earth's surface
  5. the process that adds new crust to the seafloor
  6. a boundary formed where plates move away from each other
  7. the rigid layer of the Earth that includes the crust and uppermost part of the mantle
  8. a type of heat transfer that occurs in the mantle
  9. a feature that forms where two continental crustal plates move away from each other
Down
  1. a theory that explains the movement of plates due to convection currents
  2. a feature formed at a divergent boundary where new crust is added to the ocean floor
  3. a boundary formed where plates collide
  4. the fluid layer of the mantle on which the lithosphere floats atop
  5. an explanation for how things work that is well supported with evidence and can change with new evidence
  6. a weak spot in the crust where magma has come to the surface
  7. a deep underwater canyon formed where oceanic crust subducts

16 Clues: a crack in the earth's crusta boundary formed where plates collidethe process that adds new crust to the seafloora type of heat transfer that occurs in the mantlea boundary formed where plates slip past each othera boundary formed where plates move away from each othera weak spot in the crust where magma has come to the surface...

Plate Tectonics 2016-11-17

Plate Tectonics crossword puzzle
Across
  1. The rigid outer part of the earth, consisting of the crust and upper mantle.
  2. The relatively think part of the earth's crust that underlies the ocean basins.
  3. A long, narrow ditch.
  4. Hot fluid or semi-fluid material below or within the earth's crust from which lava and other igneous rock is formed by cooling.
  5. A type of fault whose relative motion in predominately horizontal, in either a sinistral (left lateral) or dextral (right lateral) direction.
  6. Boundary An actively forming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.
  7. The sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.
  8. A sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action.
Down
  1. A small area or region with a relatively hot temperature in comparison to its surroundings.
  2. A large elongated depression with steep walls formed by the downward displacement of a block of the earth's surface between nearly parallel faults or fault systems.
  3. A mountain or hill, typically conical, having a crate or vent through which lava, rock fragments, hot vapor and gas are being or have been erupted from the earth's crust.
  4. A linear feature that exists between two tectonic plates that are moving away from each other.
  5. The relatively thick part of the earth's crust that forms the large landmasses.
  6. Ocean Ridge An underwater mountain range, formed by plate tectonics.
  7. The biggest crash scene on earth where boundaries mark the collision between two of the planet's tectonic plates.
  8. Hot molten or semi-fluid rock erupted from a volcano or fissure, or solid rock resulting from cooling of this.

16 Clues: A long, narrow ditch.Ocean Ridge An underwater mountain range, formed by plate tectonics.The rigid outer part of the earth, consisting of the crust and upper mantle.The relatively thick part of the earth's crust that forms the large landmasses.The relatively think part of the earth's crust that underlies the ocean basins....

Plate Tectonics 2015-03-30

Plate Tectonics crossword puzzle
Across
  1. ocean collision/ Older denser oceanic plate us subducted downward into the mantle and a chain of volcanic islands can be formed. What convergent boundary is this?
  2. ridge/ What does a divergent sea floor spreading create?
  3. floor spreading/ What process does the divergent sea floor spreading use?
  4. What process does the convergent oceanic continental use?
  5. What does a transform boundary create?
  6. continental collision/ Two continental plates collide, mountains usually form because both relatively low in density. What convergent boundary is this?
  7. What does a convergent oceanic-continental create?
  8. What process does the convergent continent continent use?
Down
  1. What does a continent-continent collision create?
  2. What boundary is this <-->?
  3. What boundary is this -><-?
  4. floor spreading/ Two ocean plates pull apart from each other. What divergent boundary is this?
  5. valley/ What does a divergent boundary continental-continental create?
  6. What process does the transform boundary use?
  7. What boundary is this ?
  8. continental/ Oceanic crust more dense, so it subducts under the continental crust. What convergent boundary is this?
  9. arc/ What does a ocean ocean collision create?

17 Clues: What boundary is this <-->?What boundary is this -><-?What boundary is this ?What does a transform boundary create?What process does the transform boundary use?arc/ What does a ocean ocean collision create?What does a continent-continent collision create?What does a convergent oceanic-continental create?...

Plate Tectonics 2014-11-25

Plate Tectonics crossword puzzle
Across
  1. An area in the ocean floor that is a lot deeper then the rest of the ocean
  2. A theory that the earths crust is broken into large pieces that move on semi-solid rock in the lower mantle
  3. When new crust is formed that spreads outwards
  4. A huge wave that begins on the seafloor caused by an earthquake
  5. The shaking of the ground during an earthquake
  6. An item which can calculate the movement of the ground due to an earthquake
  7. When continents break apart allowing the sea through
  8. rock which is found below the earths surface
  9. An area where boiling hot materials from the inside of the earth erupt
  10. The area which is exactly above the earthquake
Down
  1. When tectonic plates start to move causing the ground to begin to shake
  2. Is what creates the ocean floor
  3. Is what creates the continents
  4. When the earth has crust sinking down into it
  5. When continents drift apart across the ocean
  6. rock that has moved onto the Earths surface

16 Clues: Is what creates the continentsIs what creates the ocean floorrock that has moved onto the Earths surfaceWhen continents drift apart across the oceanrock which is found below the earths surfaceWhen the earth has crust sinking down into itWhen new crust is formed that spreads outwardsThe shaking of the ground during an earthquake...

Plate Tectonics 2014-11-27

Plate Tectonics crossword puzzle
Across
  1. the shaking, wave like movement of the ground in an earthquake
  2. A deep trench in the ocean floor, much deeper than the rest of the ocean floor
  3. The process of new crust forming at the ocean ridges and spreding outwards
  4. the point on the earths surface directly above the surface of an earthquake
  5. the crust that forms the continents
  6. process of continents breaking up, subsiding and allowing into the sea
  7. an instrument that detects the seismic waves from an earthquake
  8. where the crust is sinking down into the earth
Down
  1. The theory that the earth's crust is cracked into several pieces and move across the asthenosphere.
  2. molten rock below the earths surface
  3. the rapid movement of the ground, usually back and forth and up and down in a wave motion due to the movement of tectonic plates
  4. The movement of the earths contineents relative to each other
  5. the crust that forms the ocean floor
  6. molten rock that has erupted on the earths surface
  7. a huge wave in the ocean caused by an earthquake occurring on the seafloor
  8. a place where extremely hot material from inside the earth erupts at the surface

16 Clues: the crust that forms the continentsmolten rock below the earths surfacethe crust that forms the ocean floorwhere the crust is sinking down into the earthmolten rock that has erupted on the earths surfaceThe movement of the earths contineents relative to each otherthe shaking, wave like movement of the ground in an earthquake...

Plate Tectonics 2014-03-03

Plate Tectonics crossword puzzle
Across
  1. a vent in a planet's crust from which molten or hot rock and steam come out
  2. the solid outer surface of the Earth
  3. the crustal plate located beneath the ocean
  4. the process of crustal plate movement
  5. plates in the Earth's crust that hold the continents
  6. melted rock that rises from the mantle and lies beneath the surface
  7. points at which the Earth's crust cracks
Down
  1. the slow process of the Earth's continents moving as the Earth's plates shift
  2. the ring of volcanoes along the edges of the continents that border the Pacific Ocean
  3. the large slabs of rock that make up the Earth's crust
  4. the semi-solid layer of the Earth between the outer and the outer core
  5. liquid rocck that reaches the surface
  6. an underwater mountain range that zigzags between all the continents
  7. the innermost layer of the Earth, made up of a liquid outer core and a solid inner core
  8. extremely deep areas where two plates meet and one slides under the other
  9. a single continent made up of all of the Earth's land mass long ago

16 Clues: the solid outer surface of the Earthliquid rocck that reaches the surfacethe process of crustal plate movementpoints at which the Earth's crust cracksthe crustal plate located beneath the oceanplates in the Earth's crust that hold the continentsthe large slabs of rock that make up the Earth's crust...

Plate Tectonics 2024-01-16

Plate Tectonics crossword puzzle
Across
  1. rigid layer that consists of crust and upper mantle
  2. the type of plate movement where the plates slide horizontally past each other
  3. the type of plate movement where the plates move away from one another
  4. large, ancient landmass where all continents were connected
  5. the act of one plate pushing beneath another
  6. the innermost layer of Earth
  7. can occur at plate boundaries, the earth shakes
Down
  1. is formed at divergent boundaries, a low area of land
  2. pieces of crust that are broken up and move
  3. below the lithosphere, where convection occurs
  4. large, ancient superocean when all continents were connected
  5. the type of plate movement where the plates move toward each other
  6. the thick layer that the crust moves on
  7. the outermost layer of Earth that we live on
  8. is formed at convergent boundaries, contains magma
  9. is formed at convergent boundaries, a tall portion of Earth's crust

16 Clues: the innermost layer of Earththe thick layer that the crust moves onpieces of crust that are broken up and movethe outermost layer of Earth that we live onthe act of one plate pushing beneath anotherbelow the lithosphere, where convection occurscan occur at plate boundaries, the earth shakesis formed at convergent boundaries, contains magma...

Plate Tectonics 2022-10-04

Plate Tectonics crossword puzzle
Across
  1. the first person to come up with the idea of continental drift; made fun of by other scientists who came to believe him after he died
  2. the idea that states that the continents were once all attached together, and have moved apart over time; continental drift theory assumes that only the land (continents) we can see above the ocean move
  3. block of lithosphere (crust) that moves separately from the blocks of lithosphere around it
  4. accurate worldwide mapping based on satellite signals
  5. how new oceanic lithosphere is made as magma rises toward the surface and becomes solid
  6. a boundary between two tectonic plates that are sliding past each other; earthquakes may occur at this type of boundary.
Down
  1. a boundary between two tectonic plates that are moving away from each other; volcanoes and earthquakes may occur at this type of boundary.
  2. the scientific theory that the earth's lithosphere (crust) is divided into tectonic plates that move around; tectonic plates include both the land we can see above the ocean (continents) and the oceanic crust that lies below the ocean
  3. the single large land mass that formed about 350 million years ago, and broke apart about 200 million years ago
  4. the idea that some changes in Earth's surface take place over thousands, millions, and even billions of years.
  5. a major area in the basin of the Pacific Ocean where a large number of earthquakes and volcanic eruptions occur at and near plate boundaries
  6. the land masses we can see above the water on Earth's surface
  7. a boundary between two tectonic plates that are moving toward each other; earthquakes, volcanoes, and mountain formation may occur at this type of boundary.
  8. fixed (still) area of the mantle where magma rises through the lithosphere above it
  9. the rigid (stiff) outer portion of the Earth that is broken into plates. It is made up of the crust (both continental and oceanic) and the solid outer part of the mantle.
  10. when one tectonic plate is forced downward into the mantle; this happens at some convergent (colliding) boundaries

16 Clues: accurate worldwide mapping based on satellite signalsthe land masses we can see above the water on Earth's surfacefixed (still) area of the mantle where magma rises through the lithosphere above ithow new oceanic lithosphere is made as magma rises toward the surface and becomes solid...

Plate Tectonics 2025-02-28

Plate Tectonics crossword puzzle
Across
  1. When one plate slides under another plate
  2. What type of boundary forms from two plates sliding past each other?
  3. What type of boundary forms from two plates separating?
  4. What forms at a continental-continental boundary?
  5. Forms at a subduction zone
  6. Process in which new sea floor appears
  7. What is dense and in the center of the Earth?
Down
  1. When two plates interact with each other
  2. Current What is the movement that is causing Earth's plates to move?
  3. What element makes up the inner core?
  4. What forms at a divergent boundary where new sea floor forms?
  5. Core What is the liquid layer of Earth's core?
  6. What is located between the core and crust?
  7. What is the outermost rigid layer of Earth?
  8. Earth's surface is broken up into 15 ____
  9. What type of boundary forms two plates colliding?

16 Clues: Forms at a subduction zoneWhat element makes up the inner core?Process in which new sea floor appearsWhen two plates interact with each otherWhen one plate slides under another plateEarth's surface is broken up into 15 ____What is located between the core and crust?What is the outermost rigid layer of Earth?...

Plate Tectonics 2025-10-21

Plate Tectonics crossword puzzle
Across
  1. make of the crust and upper mantle
  2. responsible for Earth's magnetic field
  3. outermost compositional layer of the Earth
  4. all of the water on Earth
  5. boundary where plates move apart
  6. the southernmost continent
  7. boundary where plates come together
  8. blanket of gases around the Earth
  9. scientist who was ridiculed for Continental Drift Theory
Down
  1. all life on Earth
  2. 365 days
  3. made of liquid iron and nickel
  4. upper soft part of the mantle on which plates float
  5. 24 hours
  6. boundary where plates slide past one another
  7. large supercontinent

16 Clues: 365 days24 hoursall life on Earthlarge supercontinentall of the water on Earththe southernmost continentmade of liquid iron and nickelboundary where plates move apartblanket of gases around the Earthmake of the crust and upper mantleboundary where plates come togetherresponsible for Earth's magnetic fieldoutermost compositional layer of the Earth...

Plate Tectonics 2021-11-09

Plate Tectonics crossword puzzle
Across
  1. When two plates separate or move apart.
  2. Two tectonic plates collide with one another.
  3. Divided into 3 types.
  4. A danger of plate tectonics.
  5. Example of Oceanic-Oceanic Collisions.
Down
  1. Example of Transform Boundaries.
  2. Example of Continental-Oceanic Collisions.
  3. Something we can get from plate tectonics.
  4. Occur beneath oceanic and continental crust.
  5. Hot rock from deep within the Earth rises.

10 Clues: Divided into 3 types.A danger of plate tectonics.Example of Transform Boundaries.Example of Oceanic-Oceanic Collisions.When two plates separate or move apart.Example of Continental-Oceanic Collisions.Something we can get from plate tectonics.Hot rock from deep within the Earth rises.Occur beneath oceanic and continental crust....

Chapter 7 Crossword Vocab Puzzle 2021-10-12

Chapter 7 Crossword Vocab Puzzle crossword puzzle
Across
  1. consistent motions on Earth
  2. reversal reverses directions
  3. two plates collide
  4. boundary forms when two plates slide past each other
  5. a slab sink pulls on a plate causing it
  6. reverse directions and point themselves south
  7. forms when two plates separate
  8. denser plate sinking below the buoyant
Down
  1. mountains in the ocean
  2. new oceanic moves from the ridge
  3. changes magnetic objects to point north
  4. biggest continent that was around
  5. cold rigid outermost rock layer
  6. circulation of material causing different temperatures
  7. rising mantle material
  8. made of rigid slabs that move with respect of each other

16 Clues: two plates collidemountains in the oceanrising mantle materialconsistent motions on Earthreversal reverses directionsforms when two plates separatecold rigid outermost rock layernew oceanic moves from the ridgebiggest continent that was arounddenser plate sinking below the buoyantchanges magnetic objects to point north...

Earths Interior 2022-09-15

Earths Interior crossword puzzle
Across
  1. a part of the athensphere
  2. strong and below the athensphere
  3. where tectonic plates move
  4. the changing of a rock
  5. earths layer has moving pieces
  6. magnetic south and north pole switch
  7. a break in the rock
  8. plates collide
  9. plates collide and cause earthquakes
  10. boundary between plates
  11. the solid outerlayer of earth
  12. tetonic plates go opposite ways
  13. lithosphere plate goes under another plate
Down
  1. an idea made from observations
  2. part of the crust and upper mantle
  3. magma rises to surface
  4. place between plates
  5. movements from density
  6. the center
  7. motion of first earthquakes
  8. above earthquakes starting point
  9. return of a deformed rock
  10. drift the guess of how continents were made
  11. between the crust and core

24 Clues: the centerplates collidea break in the rockplace between platesmagma rises to surfacemovements from densitythe changing of a rockboundary between platesa part of the athenspherereturn of a deformed rockwhere tectonic plates movebetween the crust and coremotion of first earthquakesthe solid outerlayer of earthan idea made from observations...

Earth Science 2013-02-27

Earth Science crossword puzzle
Across
  1. the part of a continent that is stable and forms the central mass of the continent; typically Precambrian era .
  2. boundary In geology, subduction is the process that takes place at convergent boundaries by which one tectonic plate moves under another tectonic...
  3. The upper layer of the earth's mantle, below the lithosphere, in which there is relatively low resistance to plastic flow and convection...
  4. boundary In plate tectonics, a convergent boundary also known as a destructive plate boundary (because of subduction), is an actively deforming.
  5. The crust and upper mantle of the earth.
  6. boundary In plate tectonics, a divergent boundary or divergent plate boundary (also known as a constructive boundary or an extensional boundary).
  7. A fracture in rock where there has been movement and displacement. One of the major boundaries between tectonic plates on earth.
Down
  1. crust The relatively thick part of the earth's crust that forms the large landmasses. It is generally older and more complex than the oceanic .
  2. scale A numerical scale for expressing the magnitude of an earthquake on the basis of seismograph oscillations.
  3. waves A type of seismic wave, the S-wave, secondary wave, or shear wave (sometimes called an elastic S-wave) is one of the two main types of .
  4. waves are type of elastic wave, also called seismic waves, that can travel through gases (as sound waves), solids and liquids,.
  5. A record produced by a seismograph.
  6. Boundrys these boundaries are formed when two plates collide. When the two plate bump one plate is absorbed in the mantle of the other. Heat and pressure when these plates collide causes volcanoes and earthquakes.
  7. crust The relatively thin part of the earth's crust that underlies the ocean basins.
  8. Tectonics A theory that explains the global distribution of geological phenomena such as seismicity, volcanism, continental drift, and mountain building in terms of the formation, destruction, movement, and interaction of the earth's lithospheric plates.
  9. A sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust .
  10. the point on the Earth's surface directly above the focus of an earthquake .

17 Clues: A record produced by a seismograph.The crust and upper mantle of the earth.the point on the Earth's surface directly above the focus of an earthquake .crust The relatively thin part of the earth's crust that underlies the ocean basins.the part of a continent that is stable and forms the central mass of the continent; typically Precambrian era ....

Plate Tectonics 2021-12-09

Plate Tectonics crossword puzzle
Across
  1. A landmass formed by divergent boudaries pulling away from each other.
  2. When two plates move away from each other
  3. A large landmass formed by convergent boundaries folding on each other
  4. The layer of Earth made of molten Iron & Nickel
  5. The Thinner and heavier form on crust found in Earth's Oceans
  6. When two plates slide past each other
  7. The zone of the Earth below the lithosphere
Down
  1. When two plates move towards each other
  2. The layer of the Earth made of solid Iron Nickel
  3. The zone of the earth comprised of the crust and upper mantle
  4. A form of mountain that erupts lava
  5. A large piece of the Earth's crust floating/moving on the asthenosphere
  6. The thick and light type of crust on the Earth found on Earth's landmasses
  7. A sudden shaking from the Earth's plates
  8. the layer of the Earth made of molten rock
  9. The thinest and first layer of the Earth this is made of solid rock

16 Clues: A form of mountain that erupts lavaWhen two plates slide past each otherWhen two plates move towards each otherA sudden shaking from the Earth's platesWhen two plates move away from each otherthe layer of the Earth made of molten rockThe zone of the Earth below the lithosphereThe layer of Earth made of molten Iron & Nickel...

Plate Tectonics 2021-12-09

Plate Tectonics crossword puzzle
Across
  1. A landmass formed by divergent boudaries pulling away from each other.
  2. When two plates move away from each other
  3. A large landmass formed by convergent boundaries folding on each other
  4. The layer of Earth made of molten Iron & Nickel
  5. The Thinner and heavier form on crust found in Earth's Oceans
  6. When two plates slide past each other
  7. The zone of the Earth below the lithosphere
Down
  1. When two plates move towards each other
  2. The layer of the Earth made of solid Iron Nickel
  3. The zone of the earth comprised of the crust and upper mantle
  4. A form of mountain that erupts lava
  5. A large piece of the Earth's crust floating/moving on the asthenosphere
  6. The thick and light type of crust on the Earth found on Earth's landmasses
  7. A sudden shaking from the Earth's plates
  8. the layer of the Earth made of molten rock
  9. The thinest and first layer of the Earth this is made of solid rock

16 Clues: A form of mountain that erupts lavaWhen two plates slide past each otherWhen two plates move towards each otherA sudden shaking from the Earth's platesWhen two plates move away from each otherthe layer of the Earth made of molten rockThe zone of the Earth below the lithosphereThe layer of Earth made of molten Iron & Nickel...

Plate Tectonics 2022-01-10

Plate Tectonics crossword puzzle
Across
  1. large ocean wave that is caused by sudden motion on the ocean floor
  2. a bowl-shaped depression produced by the impact of a meteorite, volcanic activity, or an explosion
  3. a volcano formed entirely from accumulated flows of fluid lava, growing a few feet at a time
  4. vibration generated by an earthquake, explosion, or similar energetic source and propagated within the Earth or along its surface.
  5. flat, elevated landform that rises sharply above the surrounding area on at least one side.
  6. the force per unit area that is placed on a rock
  7. A volcano is defined as an opening in the Earth's crust through which lava, ash, and gases erupt.
Down
  1. A fault is a fracture or zone of fractures between two blocks of rock
  2. a volcano that can still erupt.
  3. a sudden and violent shaking of the ground, sometimes causing great destruction
  4. a large plume of hot mantle material rising from deep within the Earth.
  5. When magma flows onto Earth's surface
  6. any process that affects the shape, size, or volume of an area of the Earth's crust
  7. mathematical device to compare the size of earthquakes
  8. extremely hot liquid and semi-liquid rock located under Earth's surface.
  9. undulations or bends or curvatures developed in the rocks of the crust as a result of stresses

16 Clues: a volcano that can still erupt.When magma flows onto Earth's surfacethe force per unit area that is placed on a rockmathematical device to compare the size of earthquakeslarge ocean wave that is caused by sudden motion on the ocean floorA fault is a fracture or zone of fractures between two blocks of rock...

Plate Tectonics 2020-08-16

Plate Tectonics crossword puzzle
Across
  1. the thinnest layer of the Earth
  2. the northern part of Pangea
  3. type of crust that forms continents
  4. scientist who developed Continental Drift Theory
  5. the supergiant continent
  6. type of crust found beneath of continental crust
  7. found beneath the lithosphere
  8. the melted material found inside the Earth
  9. the inner layer of the core
Down
  1. the second layer of the Earth
  2. lower part of the mantle
  3. cool, rigid layer that includes all of the crust and a small part of the upper mantle.
  4. theory of moving lithospheric plates
  5. the numerous segments in the lithosphere
  6. the outer layer of the core
  7. the southern part of Pangea

16 Clues: lower part of the mantlethe supergiant continentthe northern part of Pangeathe outer layer of the corethe southern part of Pangeathe inner layer of the corethe second layer of the Earthfound beneath the lithospherethe thinnest layer of the Earthtype of crust that forms continentstheory of moving lithospheric plates...

Plate tectonics 2021-11-13

Plate tectonics crossword puzzle
Across
  1. Boundary The boundary formed by the collision of two tectonic plates.
  2. Boundary The boundary between tectonic plates that are sliding past each other horizontally.
  3. Break in a body of rock when one block moves relative to another
  4. Ridge Underwater mountain ranges where new seafloor is created at a divergent boundary.
  5. type of crust in land, made of granite, less dense
  6. Zone Location where two plates collide and the denser ocean plate descends below the other.
  7. sudden, violent movements of the tectonic plates along a boundary
  8. spreading The process by which new oceanic crust forms as magma rises towards the surface and solidifies. The mechanism for Continental Drift.
Down
  1. type of plate boundary - two plates move slide past each other
  2. type of crust, ocean floor, made of basalt, more dense
  3. Name for the super continent which contained all the plates together.
  4. Openings in Earth's crust from which molten rock, dust, ash, and hot gases flow or erupt
  5. Boundary The boundary between two tectonic plates that are moving away from each other.
  6. Drift The idea that the continents once formed a single landmass, broke up, and drifted to their present locations.
  7. The thin and solid outermost compositional layer of the Earth above the mantle.
  8. Extremely deep areas in the ocean that are created by a subducting plate.
  9. Arc Formed by two oceanic plates colliding volcanoes to form new land
  10. Tectonics The theory that the Earth is broken into plates and are in motion due to convection currents in the asthenosphere (upper mantle).

18 Clues: type of crust in land, made of granite, less densetype of crust, ocean floor, made of basalt, more densetype of plate boundary - two plates move slide past each otherBreak in a body of rock when one block moves relative to anothersudden, violent movements of the tectonic plates along a boundary...

Plate Tectonics 2022-03-24

Plate Tectonics crossword puzzle
Across
  1. a fissure in the earth's crust through which gases erupt
  2. rich in implication
  3. the lower layer of the crust
  4. movement of the edge of one tectonic plate under another
  5. outer layer of the earth
  6. plate plate below the north american plate
  7. core hot, dense ball of (mostly) iron.
Down
  1. the act of putting something somewhere
  2. super continent made up of all continents
  3. the amount per unit size
  4. the exertion of force to a surface
  5. transfer of heat caused by molecular motion in liquid or gas
  6. core fluid layer about 2,260 km
  7. the layer under the earth
  8. plate plate covering most of North America
  9. The center of an object

16 Clues: rich in implicationThe center of an objectthe amount per unit sizeouter layer of the earththe layer under the earththe lower layer of the crustcore fluid layer about 2,260 kmthe exertion of force to a surfacethe act of putting something somewherecore hot, dense ball of (mostly) iron.super continent made up of all continents...

plate tectonics 2022-04-01

plate tectonics crossword puzzle
Across
  1. In the ground?
  2. explodes?
  3. second layer?
  4. third layer?
  5. first layer?
  6. Has magma?
  7. fourth layer?
  8. a planar fracture or discontinuity?
  9. the sideways and downward movement of the edge?
Down
  1. Shakes the ground?
  2. A big wave?
  3. A lot of heat?
  4. Their are seven of them?
  5. What we live on?
  6. the movement caused within a fluid?
  7. Comes out of volcano?

16 Clues: explodes?Has magma?A big wave?third layer?first layer?second layer?fourth layer?In the ground?A lot of heat?What we live on?Shakes the ground?Comes out of volcano?Their are seven of them?the movement caused within a fluid?a planar fracture or discontinuity?the sideways and downward movement of the edge?

Plate Tectonics 2022-03-28

Plate Tectonics crossword puzzle
Across
  1. Two plates sliding agunst eachother.
  2. Something moving
  3. A mountin with lava inside.
  4. Plates moving
  5. Two plates pushing into eachother.
  6. The thinnest layer of the earth.
  7. Two plates seperating
  8. Plate tectonics clashing together.
  9. a place were volcano's gather.
Down
  1. A hard rock under the crust.
  2. The shell of the inner core.
  3. The middle of the earth.
  4. Being tightly squeezed
  5. Below the lithosphere.
  6. Made of crust and upper part of mantle.
  7. A big wave of water.

16 Clues: Plates movingSomething movingA big wave of water.Two plates seperatingBeing tightly squeezedBelow the lithosphere.The middle of the earth.A mountin with lava inside.A hard rock under the crust.The shell of the inner core.a place were volcano's gather.The thinnest layer of the earth.Two plates pushing into eachother....

Plate Tectonics 2014-11-25

Plate Tectonics crossword puzzle
Across
  1. Crust that forms continents
  2. Large pieces of the Earth's crust that move
  3. Extremely hot material from the inside of the earth which has erupted
  4. New crust forms at ocean ridges
  5. Continents breaking up allowing the sea in
  6. Trench in the ocean
  7. Molten rock that has erupted
Down
  1. Directly above the point of the focus of the Earthquake
  2. Separation of continents
  3. Detects waves from the earthquake
  4. Rapid movement in the ground caused by tectonic plates moving
  5. Huge wave in the ocean floor caused by an earthquake under the sea
  6. Crust sinks down into the earth
  7. The shaking movement when there is an earthquake
  8. Crust that forms on the ocean floor
  9. Molten rock below the earths surface

16 Clues: Trench in the oceanSeparation of continentsCrust that forms continentsMolten rock that has eruptedCrust sinks down into the earthNew crust forms at ocean ridgesDetects waves from the earthquakeCrust that forms on the ocean floorMolten rock below the earths surfaceContinents breaking up allowing the sea inLarge pieces of the Earth's crust that move...

Plate tectonics 2022-12-05

Plate tectonics crossword puzzle
Across
  1. volcano
  2. kilometers
  3. puzzle
  4. drives
  5. shell
  6. magma
  7. thinner
  8. mountain ranges
Down
  1. fingernails
  2. covered
  3. folds
  4. plates
  5. ridge
  6. million
  7. melts
  8. mantle

16 Clues: foldsridgeshellmagmameltspuzzleplatesdrivesmantlecoveredvolcanomillionthinnerkilometersfingernailsmountain ranges

Plate tectonics 2023-01-13

Plate tectonics crossword puzzle
Across
  1. A break or crack in the Earth's lithosphere along which rocks move
  2. the name of the single landmass that broke apart about 225 million years ago
  3. The process by which oceanic crust sinks beneath a deep-ocean trench and back into the mantle at a convergent plate boundary
  4. a sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action.
  5. The layer of rock that forms the Earth's outer surface
  6. a mountain or hill, typically conical, having a crater or vent through which lava, rock fragments, hot vapor, and gas are being or have been erupted from the earth's crust.
  7. A deep valley where two plates move apart
  8. Dense ball of solid material at the center of he Earth
  9. A layer of molten iron and nickel that surrounds the inner core of the Earth
  10. A soft layer of the mantle on which the lithosphere floats
Down
  1. A plate boundary where two plates move away from each other
  2. Thickest layer of the Earth; it consists of two layers - the lithosphere and the asthenosphere
  3. German Scientist who developed the Theory of the Continental Drift in 1912.
  4. A plate boundary where two plates grind against each other, moving it different directions
  5. A rigid layer made up of the uppermost part of the mantle and the crust
  6. A deep canyon on the ocean floor

16 Clues: A deep canyon on the ocean floorA deep valley where two plates move apartThe layer of rock that forms the Earth's outer surfaceDense ball of solid material at the center of he EarthA soft layer of the mantle on which the lithosphere floatsA plate boundary where two plates move away from each other...

Plate Tectonics 2023-01-25

Plate Tectonics crossword puzzle
Across
  1. Theory that pieces of the Earth's lithosphere are in motion,driven by convection currents in the mantle
  2. Alfred Wegener's hypothesis that the continents were once one huge land mass but have since then drifted apart
  3. A break or crack in the Earth's lithosphere along which rocks move
  4. A deep canyon on the ocean floor
  5. A deep valley where two plates move apart
  6. The undersea mountain mountain chain where new ocean floor is produced; a divergent plate boundary
  7. A plate boundary where two plates move toward each other
Down
  1. A layer of molten iron and nickel that surrounds the inner core of the Earth
  2. thickest layer of the Earth; it consists of two layers - the lithosphere and the asthenosphere
  3. Cause the plates to move; between the lithosphere and the asthenosphere
  4. A deep valley along the ocean floor through which oceanic crust slowly sinks towards the mantle
  5. The process by which molten material adds new oceanic crust to the ocean floor
  6. A plate boundary where two plates move away from each other
  7. The name of the single landmass that broke apart about 225 million years ago
  8. A plate boundary where two plates grind against each other, movie it different directions
  9. Dense ball of solid material at the center of the Earth

16 Clues: A deep canyon on the ocean floorA deep valley where two plates move apartDense ball of solid material at the center of the EarthA plate boundary where two plates move toward each otherA plate boundary where two plates move away from each otherA break or crack in the Earth's lithosphere along which rocks move...

Plate Tectonics 2020-03-26

Plate Tectonics crossword puzzle
Across
  1. Plate boundary that scrapes past each other
  2. Deep points in the ocean where plates push down
  3. Piece of land poking above the ocean
  4. Plate boundary that pulls apart
  5. Shaking of the ground that occurs when plates move
  6. Light crust that makes up land masses
  7. Uppermost layer of Earth
Down
  1. System of broken crust pieces moving
  2. Magma from melted plates produces volcanoes
  3. Layer that includes the crust and very upper mantle
  4. Layer upon which plates move
  5. Process of a plate being pushed under another and melting
  6. Plate boundary that pushes together
  7. Molten rock from melting plates
  8. The layer below the crust
  9. Dense crust under the ocean

16 Clues: Uppermost layer of EarthThe layer below the crustDense crust under the oceanLayer upon which plates moveMolten rock from melting platesPlate boundary that pulls apartPlate boundary that pushes togetherSystem of broken crust pieces movingPiece of land poking above the oceanLight crust that makes up land masses...

Plate Tectonics 2021-04-01

Plate Tectonics crossword puzzle
Across
  1. Islands in Alaska
  2. each other
  3. oceanic plates
  4. and less doses than oceanianic crust
  5. fault in California
  6. bonduray
  7. creates crust
  8. slipslide
  9. spearing
Down
  1. zone
  2. form by rock
  3. on top of the mantle
  4. neither destroys nor creates crust
  5. destroys crust
  6. in africa
  7. is created

16 Clues: zonebondurayspearingin africaslipslideeach otheris createdform by rockcreates crustoceanic platesdestroys crustIslands in Alaskafault in Californiaon top of the mantleneither destroys nor creates crustand less doses than oceanianic crust

Plate Tectonics 2021-04-01

Plate Tectonics crossword puzzle
Across
  1. Islands in Alaska
  2. each other
  3. oceanic plates
  4. and less doses than oceanianic crust
  5. fault in California
  6. bonduray
  7. creates crust
  8. slipslide
  9. spearing
Down
  1. zone
  2. form by rock
  3. on top of the mantle
  4. neither destroys nor creates crust
  5. destroys crust
  6. in africa
  7. is created

16 Clues: zonebondurayspearingin africaslipslideeach otheris createdform by rockcreates crustoceanic platesdestroys crustIslands in Alaskafault in Californiaon top of the mantleneither destroys nor creates crustand less doses than oceanianic crust

Plate Tectonics 2021-04-01

Plate Tectonics crossword puzzle
Across
  1. Islands in Alaska
  2. each other
  3. oceanic plates
  4. and less doses than oceanianic crust
  5. fault in California
  6. bonduray
  7. creates crust
  8. slipslide
  9. spearing
Down
  1. zone
  2. form by rock
  3. on top of the mantle
  4. neither destroys nor creates crust
  5. destroys crust
  6. in africa
  7. is created

16 Clues: zonebondurayspearingin africaslipslideeach otheris createdform by rockcreates crustoceanic platesdestroys crustIslands in Alaskafault in Californiaon top of the mantleneither destroys nor creates crustand less doses than oceanianic crust

Plate Tectonics 2021-04-02

Plate Tectonics crossword puzzle
Across
  1. pieces of Earth's crust
  2. a theory explaining the structure of the earth's crust and many associated phenomena as resulting from the interaction of rigid lithospheric plates which move slowly over the underlying mantle.
  3. a depression in the ground
  4. two plates moving together
  5. below the lithosphere
  6. rigid upper part of Earth,upper mantle and the crust
  7. two plates sliding against each other
  8. destroy's landforms etc
Down
  1. raises up the surface of Earth creating new landforms
  2. is the transfer of heat due to the bulk movement of molecules within fluids, including molten rock.
  3. drift theory that the Earth continents have moved over time
  4. two plate moving apart
  5. super continent that existed some time ago
  6. ring of volcanoe's in the pacific ovean
  7. the liquid outer core and the solid inner core
  8. movement when oceanic crust goes underneath another plate

16 Clues: below the lithospheretwo plate moving apartpieces of Earth's crustdestroy's landforms etca depression in the groundtwo plates moving togethertwo plates sliding against each otherring of volcanoe's in the pacific oveansuper continent that existed some time agothe liquid outer core and the solid inner core...

Plate Tectonics 2021-04-28

Plate Tectonics crossword puzzle
Across
  1. Scientist who proposed the idea of seafloor spreading
  2. The primary force that causes the seafloor to spread and continents to drift
  3. Plate ____________
  4. The theory of continental _________
  5. Places where new seafloor is being created
  6. Seafloor ____________
  7. The deepest parts of the oceans
  8. The zone below the lithosphere. It is more "plastic" than the lithosphere so it is easier to bend and move
Down
  1. ____________ zones. Places where the seafloor is forced under continental plates
  2. The Earth's ___________ field reverses from time to time
  3. The most outer, solid portion of the planet Earth
  4. Section of the Earth below the crust
  5. Alfred Wegener noticed that the coast of South America seemed to fit into the coast of this continent, just like a jigsaw puzzle
  6. Scientist who first proposed the theory that the continents drifted
  7. A device that scientists use to map the ocean floor
  8. Paleontologists noticed that these were the same on different continents even though the continents were separated by oceans

16 Clues: Plate ____________Seafloor ____________The deepest parts of the oceansThe theory of continental _________Section of the Earth below the crustPlaces where new seafloor is being createdThe most outer, solid portion of the planet EarthA device that scientists use to map the ocean floorScientist who proposed the idea of seafloor spreading...

Plate Tectonics 2023-05-18

Plate Tectonics crossword puzzle
Across
  1. Core, liquid core, made of nickel and iron
  2. A Supercontinent that existed about 250 million years ago
  3. the earth’s outer layer; the coolest and least dense layer of the earth
  4. a series of sea waves caused by underwater earthquakes
  5. Core, The center of the earth composed of nickel and iron
  6. when two plates COME TOWARD each other
  7. the layer of the mantle that lies directly below the the Lithosphere and flows like taffy
Down
  1. The cool solid outer shell of the earth. It consists of the crust and the rigid upper part of the mantle
  2. When two plates move AWAY from each other
  3. the layer of the earth beneath the crust
  4. Plate, A large mobile segment of Earth’s lithosphere
  5. the movement of a tectonic plate beneath another plate
  6. When two plates SLIDE along side each other
  7. Tectonics, a theory that the lithosphere is broken into segments, or plates that “FLOAT” on the asthenosphere
  8. Ridge, a mountain-like landform that develops when plates separate
  9. Trench, a long narrow steep-sided depression in the earth’s oceanic crust
  10. Boundary, a place where pieces of the broken Lithosphere meet

17 Clues: when two plates COME TOWARD each otherthe layer of the earth beneath the crustWhen two plates move AWAY from each otherCore, liquid core, made of nickel and ironWhen two plates SLIDE along side each otherPlate, A large mobile segment of Earth’s lithospherethe movement of a tectonic plate beneath another plate...

Plate Tectonics 2023-12-12

Plate Tectonics crossword puzzle
Across
  1. scientist who proposed the idea of Pangaea
  2. movement of rocks by wind or water
  3. rocks being deposited to a new location
  4. largest layer of earth
  5. boundaries that collide
  6. on earth's surface
  7. breaking down of rocks over time
  8. boundaries that divide or separate
  9. core liquid part of the core
Down
  1. damage caused by an earthquake
  2. core solid part of the core
  3. below earth's surface
  4. strength of an earthquake
  5. large supercontinent
  6. spreading occurs on the ocean floor
  7. boundaries that slide past one another

16 Clues: on earth's surfacelarge supercontinentbelow earth's surfacelargest layer of earthboundaries that collidestrength of an earthquakecore solid part of the corecore liquid part of the coredamage caused by an earthquakebreaking down of rocks over timemovement of rocks by wind or waterboundaries that divide or separatespreading occurs on the ocean floor...

Plate Tectonics 2024-10-07

Plate Tectonics crossword puzzle
Across
  1. Plate boundary that scrapes past each other
  2. Magma from melted plates produces these
  3. The layer below the crust
  4. Piece of land poking above the ocean
  5. Shaking of the ground that occurs when plates move
  6. plate boundary that pulls apart
  7. Uppermost layer of the Earth
  8. Dense crust under the ocean
  9. Deep points in the ocean where plates push down
Down
  1. layer upon which plates move
  2. Molten rock from melting plates
  3. System of broken crust pieces moving
  4. Layer that includes the crust and very upper mantle
  5. Lite crust that makes up land masses
  6. process of a plate being pushed under another and melting
  7. Plate boundary that pushes together

16 Clues: The layer below the crustDense crust under the oceanlayer upon which plates moveUppermost layer of the EarthMolten rock from melting platesplate boundary that pulls apartPlate boundary that pushes togetherSystem of broken crust pieces movingLite crust that makes up land massesPiece of land poking above the ocean...

Plate tectonics 2025-10-16

Plate tectonics crossword puzzle
Across
  1. – Center of the Earth
  2. – Crack in Earth's crust
  3. – Deep valley at subduction zones
  4. – One plate goes under another
  5. – Underwater mountain chain
  6. – Molten rock beneath the surface
  7. – Plates move apart
  8. – Huge slab of Earth's lithosphere
  9. – Plates move toward each other
Down
  1. – Outermost layer of the Earth
  2. – Mountain that erupts lava
  3. – Sudden shaking of the ground
  4. you like me to turn these into a crossword puzzle grid with a picture, like the earlier ones?
  5. – Ancient supercontinent
  6. – Layer beneath the crust
  7. – Plates slide past each other

16 Clues: – Plates move apart– Center of the Earth– Crack in Earth's crust– Ancient supercontinent– Layer beneath the crust– Mountain that erupts lava– Underwater mountain chain– Outermost layer of the Earth– Sudden shaking of the ground– One plate goes under another– Plates slide past each other– Plates move toward each other...

Plate Boundaries 2022-02-25

Plate Boundaries crossword puzzle
Across
  1. a change to the structure of the Earth by tectonic activities
  2. two plates coming together
  3. study of the movement of large masses of rock, known as plates, on the Earth’s surface; includes folds, faults, and plate movement
  4. theory that describes plate movement and how it affects Earth’s geologic features
  5. a region where two lithospheric plates meet
  6. distinct sections of the lithosphere which make up the outermost layer of the Earth
  7. undersea mountain range formed where two parts of the Earth’s crust are moving apart
Down
  1. two plates moving apart
  2. scientist who proposed the Theory of Plate Tectonics
  3. large bowl shaped depression that holds ocean water; regions of crust below sea level
  4. an explanation of a set of related observations or events based upon proven hypotheses and verified multiple times by groups of detached researchers; can be used to explain and predict natural phenomena
  5. thinner part of Earth’s crust that lies underneath the ocean basins
  6. process where one plate slides under another
  7. two plates sliding past each other in opposite directions
  8. thicker part of Earth’s crust that forms the large land masses
  9. formation of new oceanic crust due to the upwelling of magma at mid-ocean ridges

16 Clues: two plates moving aparttwo plates coming togethera region where two lithospheric plates meetprocess where one plate slides under anotherscientist who proposed the Theory of Plate Tectonicstwo plates sliding past each other in opposite directionsa change to the structure of the Earth by tectonic activities...

Plate Tectonics 2021-11-03

Plate Tectonics crossword puzzle
Across
  1. What is the second layer of Earth
  2. What is the bowl-shaped basin in the top of the volcano called?
  3. plate boundaries where are earthquakes created?
  4. Ridge where could we see an example of a constructive plate boundary?
  5. Why is it important to know about plate tectonics?
Down
  1. What can cause plate tectonics?
  2. convergent plates move
  3. lava What are the characteristics of a shield volcano?
  4. Which is lighter: oceanic or continental crust?

9 Clues: convergent plates moveWhat can cause plate tectonics?What is the second layer of Earthplate boundaries where are earthquakes created?Which is lighter: oceanic or continental crust?Why is it important to know about plate tectonics?lava What are the characteristics of a shield volcano?What is the bowl-shaped basin in the top of the volcano called?...

Plate Tectonics 2021-12-09

Plate Tectonics crossword puzzle
Across
  1. What causes the plates to move?
  2. What was found on different sides of the world (evidence of plate tectonics).
  3. Earth's plates are constantly...
  4. What do subduction zones create (think deep)
  5. What is another type of plate?
  6. Where is the Earth does convection occur?
  7. What forms when an oceanic plate meets another oceanic plate?
  8. What type of boundary causes subduction?
Down
  1. What type of plate boundary occurs when two plates go away from each other?
  2. What type of plate boundary occurs when two plates move towards each other?
  3. What happens when an oceanic plate meets a continental plate?
  4. What forms when a continental plate meets another continental plate?
  5. What type of plate boundary occurs when two plates slide past each other
  6. What happens at Transform boundaries?
  7. What is one type of plate?
  8. What was the supercontinent formed millions of years ago called

16 Clues: What is one type of plate?What is another type of plate?What causes the plates to move?Earth's plates are constantly...What happens at Transform boundaries?What type of boundary causes subduction?Where is the Earth does convection occur?What do subduction zones create (think deep)What happens when an oceanic plate meets a continental plate?...

Plate Tectonics puzzle 2024-03-19

Plate Tectonics puzzle crossword puzzle
Across
  1. What are tectonic plates made of?
  2. What is the smallest tectonic plate?
  3. How many major tectonic plates are there?
  4. Who created the continental drift theory?
  5. What happens to the earth’s geography because of plate tectonics?
  6. What do tectonic plates make when they come together?
  7. What happens at a convergent plate boundary when an oceanic plate collides with a continental plate?
  8. Boundary when tectonic plates move apart?
  9. Scientists use what to measure the tectonic plates?
Down
  1. What happens to the continental crust when two continents collide?
  2. Boundary when moving sideways in relation to one another?
  3. What type of boundary is it when the tectonic plates move into one another?
  4. What is the super continent called?
  5. What are tectonic plates produced by?
  6. A tectonic belt of earthquakes and volcanoes in the Pacific Ocean is known as what?
  7. what is the biggest plate?
  8. A collision between the African plate and the Arabian plates formed what sea?
  9. Who discredited/opposed continental drifting?
  10. Where do earthquakes happen at plate boundaries?
  11. What is a tectonic plate from?

20 Clues: what is the biggest plate?What is a tectonic plate from?What are tectonic plates made of?What is the super continent called?What is the smallest tectonic plate?What are tectonic plates produced by?How many major tectonic plates are there?Who created the continental drift theory?Boundary when tectonic plates move apart?...

Plate Tectonics 2022-10-04

Plate Tectonics crossword puzzle
Across
  1. accurate worldwide mapping based on satellite signals
  2. when one tectonic plate is forced downward into the mantle; this happens at some convergent (colliding) boundaries
  3. how new oceanic lithosphere is made as magma rises toward the surface and becomes solid
  4. block of lithosphere (crust) that moves separately from the blocks of lithosphere around it
  5. the rigid (stiff) outer portion of the Earth that is broken into plates. It is made up of the crust (both continental and oceanic) and the solid outer part of the mantle.
  6. the single large land mass that formed about 350 million years ago, and broke apart about 200 million years ago
  7. a boundary between two tectonic plates that are moving away from each other; volcanoes and earthquakes may occur at this type of boundary.
  8. the first person to come up with the idea of continental drift; made fun of by other scientists who came to believe him after he died
  9. the idea that some changes in Earth's surface take place over thousands, millions, and even billions of years.
Down
  1. a major area in the basin of the Pacific Ocean where a large number of earthquakes and volcanic eruptions occur at and near plate boundaries
  2. fixed (still) area of the mantle where magma rises through the lithosphere above it
  3. a boundary between two tectonic plates that are sliding past each other; earthquakes may occur at this type of boundary.
  4. a boundary between two tectonic plates that are moving toward each other; earthquakes, volcanoes, and mountain formation may occur at this type of boundary.
  5. the scientific theory that the earth's lithosphere (crust) is divided into tectonic plates that move around; tectonic plates include both the land we can see above the ocean (continents) and the oceanic crust that lies below the ocean
  6. the idea that states that the continents were once all attached together, and have moved apart over time; continental drift theory assumes that only the land (continents) we can see above the ocean move
  7. the land masses we can see above the water on Earth's surface

16 Clues: accurate worldwide mapping based on satellite signalsthe land masses we can see above the water on Earth's surfacefixed (still) area of the mantle where magma rises through the lithosphere above ithow new oceanic lithosphere is made as magma rises toward the surface and becomes solid...

Plate Tectonics 2022-10-18

Plate Tectonics crossword puzzle
Across
  1. rising of rock layers
  2. stress at a convergent boundary
  3. layer of Earth made mostly of iron
  4. thin,solid layer above the mantle
  5. fault hanging wall moves up relative to footwall
  6. was name of the one big continent
  7. result of plates moving at transform boundary
  8. boundary where plates slide past
Down
  1. boundary where plates move away
  2. sinking of rock layers
  3. interior of the Earth can be mapped using
  4. boundary where plates collide
  5. rigid layer made up of crust and upper mantle
  6. fault hanging wall moves down relative to footwall
  7. layer of rock that comprises 67% of earths mass
  8. stress at a divergent boundary

16 Clues: rising of rock layerssinking of rock layersboundary where plates collidestress at a divergent boundaryboundary where plates move awaystress at a convergent boundaryboundary where plates slide pastthin,solid layer above the mantlewas name of the one big continentlayer of Earth made mostly of ironinterior of the Earth can be mapped using...

Plate Tectonics 2021-10-18

Plate Tectonics crossword puzzle
Across
  1. The process that occurs when one tectonic plate moves under another tectonic plate
  2. an underwater mountain chain where new ocean floor is formed. Caused by Divergent Boundary
  3. a deep section along the ocean floor beneath which oceanic crust slowly sinks toward the mantle
  4. A supercontinent containing all of Earth's land that existed about 225 million years ago.
  5. the theory that the continents were once joined and then slowly drifted apart
  6. the layer of the earth between the crust and the core, has magma
  7. Energy or vibrations that are released due to plate movement
  8. A deep valley that forms where two plates move apart
Down
  1. The preserved remains of an organism that lived in the past
  2. Circular currents in the mantle caused by the magma being heated by the core off the Earth.
  3. A plate boundary where two plates move toward each other, example is The Rocky Mountains
  4. A plate boundary where two plates move away from each other, example is Mid-Atlantic Ridge or Great Rift Valley
  5. a rigid layer of the Earth's crust that is believed to drift slowly
  6. Earth's outermost layer.
  7. A plate boundary where two plates move past each other in opposite directions example New Madrid Fault
  8. A geological feature that indicates a break in a rock due to stress

16 Clues: Earth's outermost layer.A deep valley that forms where two plates move apartThe preserved remains of an organism that lived in the pastEnergy or vibrations that are released due to plate movementthe layer of the earth between the crust and the core, has magmaa rigid layer of the Earth's crust that is believed to drift slowly...

Plate Tectonics 2023-01-25

Plate Tectonics crossword puzzle
Across
  1. Theory that pieces of the Earth's lithosphere are in motion,driven by convection currents in the mantle
  2. Alfred Wegener's hypothesis that the continents were once one huge land mass but have since then drifted apart
  3. A break or crack in the Earth's lithosphere along which rocks move
  4. A deep canyon on the ocean floor
  5. A deep valley where two plates move apart
  6. The undersea mountain mountain chain where new ocean floor is produced; a divergent plate boundary
  7. A plate boundary where two plates move toward each other
Down
  1. A layer of molten iron and nickel that surrounds the inner core of the Earth
  2. thickest layer of the Earth; it consists of two layers - the lithosphere and the asthenosphere
  3. Cause the plates to move; between the lithosphere and the asthenosphere
  4. A deep valley along the ocean floor through which oceanic crust slowly sinks towards the mantle
  5. The process by which molten material adds new oceanic crust to the ocean floor
  6. A plate boundary where two plates move away from each other
  7. The name of the single landmass that broke apart about 225 million years ago
  8. A plate boundary where two plates grind against each other, movie it different directions
  9. Dense ball of solid material at the center of the Earth

16 Clues: A deep canyon on the ocean floorA deep valley where two plates move apartDense ball of solid material at the center of the EarthA plate boundary where two plates move toward each otherA plate boundary where two plates move away from each otherA break or crack in the Earth's lithosphere along which rocks move...

Plate Tectonics 2023-04-25

Plate Tectonics crossword puzzle
Across
  1. all the continents were once part of a supercontinent.
  2. is when the denser plate sinks below the more buoyant plate in a process.
  3. tectonics states that earths surface is made of rigid slabs of rock, or plates, that move with respect to each other.
  4. plate boundaries form where two plates collide.
  5. polarity is a state in which magnetized objects would reverse direction and orient themselves to point south.
  6. polarity is a state in which magnetized objects will orient themselves to point north.
Down
  1. is the cold and rigid outermost rock layer.
  2. plate boundary forms when two plates separate.
  3. drift when continents are in constant motion on the surface of earth.
  4. spreading the process by which new oceanic crust forms along a mid-ocean ridge and older oceanic crust moves away from the ridge.
  5. is the circulation of material caused by differences in temperature and destiny.
  6. reversal occurs and the magnetic field reverses direction.
  7. ridges the mountain ranges in the middle of the oceans.
  8. push is when rising mantle material at mid-ocean ridges creates the potential for plates to move away from the ridge with a force.
  9. plate boundary forms where two plates slide past each other.
  10. pull is when a slab sinks, it pulls on the rest of the plate with a force

16 Clues: is the cold and rigid outermost rock layer.plate boundary forms when two plates separate.plate boundaries form where two plates collide.all the continents were once part of a supercontinent.ridges the mountain ranges in the middle of the oceans.reversal occurs and the magnetic field reverses direction....

Plate Tectonics 2023-04-25

Plate Tectonics crossword puzzle
Across
  1. all the continents were once part of a supercontinent.
  2. is when the denser plate sinks below the more buoyant plate in a process.
  3. tectonics states that earths surface is made of rigid slabs of rock, or plates, that move with respect to each other.
  4. plate boundaries form where two plates collide.
  5. polarity is a state in which magnetized objects would reverse direction and orient themselves to point south.
  6. polarity is a state in which magnetized objects will orient themselves to point north.
Down
  1. is the cold and rigid outermost rock layer.
  2. plate boundary forms when two plates separate.
  3. drift when continents are in constant motion on the surface of earth.
  4. spreading the process by which new oceanic crust forms along a mid-ocean ridge and older oceanic crust moves away from the ridge.
  5. is the circulation of material caused by differences in temperature and destiny.
  6. reversal occurs and the magnetic field reverses direction.
  7. ridges the mountain ranges in the middle of the oceans.
  8. push is when rising mantle material at mid-ocean ridges creates the potential for plates to move away from the ridge with a force.
  9. plate boundary forms where two plates slide past each other.
  10. pull is when a slab sinks, it pulls on the rest of the plate with a force

16 Clues: is the cold and rigid outermost rock layer.plate boundary forms when two plates separate.plate boundaries form where two plates collide.all the continents were once part of a supercontinent.ridges the mountain ranges in the middle of the oceans.reversal occurs and the magnetic field reverses direction....

Plate Tectonics 2014-05-26

Plate Tectonics crossword puzzle
Across
  1. The type of plate boundary that move away from each other
  2. convergent boundaries form what type of natural disaster when forced up
  3. plates that are under water
  4. the fluid portion of the Earth's lower mantle below the lithosphere
  5. how many million years it takes for the cycle crust forming and melting down in the core
  6. The tectonic plate we live on
  7. how the intensity of an earthquake is measured
  8. The type of boundary that that earthquakes are made from
  9. top layer of the crust
Down
  1. when one plates moves underneath the other
  2. the slow movement of the continents over time
  3. How many major plates are there
  4. which type of plate that is thicker?
  5. A boundary were two tectonic plates are pushing against each other
  6. the super continent
  7. the first person to develop the theory of plate tectonic

16 Clues: the super continenttop layer of the crustplates that are under waterThe tectonic plate we live onHow many major plates are therewhich type of plate that is thicker?when one plates moves underneath the otherthe slow movement of the continents over timehow the intensity of an earthquake is measured...

plate tectonics 2015-01-27

plate tectonics crossword puzzle
Across
  1. the rigid outer part of the earth, consisting of the crust and upper mantle.
  2. the upper layer of the earth's mantle, below the lithosphere, in which there is relatively low resistance to plastic flow and convection is thought to occur.
  3. hot fluid or semifluid material below or within the earth's crust from which lava and other igneous rock is formed by cooling.
  4. a slowly moving mass or river of ice formed by the accumulation and compaction of snow on mountains or near the poles.
  5. tectonics a theory explaining the structure of the earth's crust and many associated phenomena as resulting from the interaction of rigid lithospheric plates that move slowly over the underlying mantle.
  6. rock is formed through the cooling and solidification of magma or lava.
  7. decay is the process by which a nucleus of an unstable atom loses energy by emitting ionizing radiation.
  8. boundary is a linear feature that exists between two tectonic plates that are moving away from each other
  9. matter that settles to the bottom of a liquid; dregs.
  10. quake a sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action.
Down
  1. rock types of rock that are formed by the deposition of material at the Earth's surface and within bodies of water.
  2. rock type of rock which has been changed by extreme heat and pressed.
  3. wear away or change the appearance or texture of (something) by long exposure to the air.
  4. cycle an idealized cycle of processes undergone by rocks in the earth's crust, involving igneous intrusion, uplift, erosion, transportation, deposition as sedimentary rock, metamorphism, remelting, and further igneous intrusion.
  5. the process of eroding or being eroded by wind, water, or other natural agents.
  6. boundary is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.

16 Clues: matter that settles to the bottom of a liquid; dregs.rock type of rock which has been changed by extreme heat and pressed.rock is formed through the cooling and solidification of magma or lava.the rigid outer part of the earth, consisting of the crust and upper mantle.the process of eroding or being eroded by wind, water, or other natural agents....

Plate Tectonics 2017-02-15

Plate Tectonics crossword puzzle
Across
  1. core-A layer of molten iron and nickel that surrounds the inner core of earth.
  2. study of planet Earth.
  3. core-A dense sphere of solid iron and nickel in the earth.
  4. A great landmass surrounded by oceans.
  5. The layer of rock that forms earth's outer surface.
  6. force- A force that slowly wears away mountains and other features on the surface of earth.
  7. soft layer of the mantle on which the lithosphere floats.
  8. The layer of hot, solid material between earth's crust and core.
  9. wave- A vibration that travels though Earth carrying the energy released during and earthquake.
Down
  1. scientist who studies the forces that make and shape planet Eathe.
  2. The material that forms Earth's hard suface.
  3. A usually light-colored rock that is found in continental crust.
  4. force- A force that builds up mountains and landmass on earth's surfaces.
  5. rigid layer made up of the uppermost part of the matle and the crust.
  6. amout of force pushing on a surface or area.
  7. drack, dense, igneous rock with a fine texture, found in oceainc crust.

16 Clues: study of planet Earth.A great landmass surrounded by oceans.The material that forms Earth's hard suface.amout of force pushing on a surface or area.The layer of rock that forms earth's outer surface.soft layer of the mantle on which the lithosphere floats.core-A dense sphere of solid iron and nickel in the earth....

Plate Tectonics 2018-04-16

Plate Tectonics crossword puzzle
Across
  1. The layer of the Earth between the crust and core
  2. The outermost layer of the earth
  3. The driving force of all plate motion
  4. An area where one plate is plunged beneath another
  5. An area of lithosphere where two plates slide past each other
  6. The location of a
  7. An area formed by rifting plates underneath the ocean
  8. The boundary between two colliding plates
Down
  1. This describes the earth's lithosphere as being divided into movable plates
  2. This historic super continent existed
  3. A area where rift or rift valley's form
  4. The cause of the break up of Pangea
  5. This layer of Earth's crust is made of the upper mantle
  6. / The boundary between earth's crust and mantle
  7. The part of earth's core that is liquid
  8. The center of the earth.

16 Clues: The location of aThe center of the earth.The outermost layer of the earthThe cause of the break up of PangeaThis historic super continent existedThe driving force of all plate motionA area where rift or rift valley's formThe part of earth's core that is liquidThe boundary between two colliding plates/ The boundary between earth's crust and mantle...

Plate tectonics 2022-03-23

Plate tectonics crossword puzzle
Across
  1. what can make plate move away from eachother
  2. the study of Earth
  3. plate boundaries moving towards each other
  4. what causes to form volcanoes
  5. plate boundaries moving apart
  6. A supercontinent made up of all continents
  7. what was the earliest eon in history
  8. what can create mass destruction by erupting
Down
  1. where most earth quakes and volcanoes occur
  2. what is found in zicronium minerals
  3. what is the largest landmasses of the earth
  4. What is the thinnest layer of the earth
  5. What is the thickest layer of the earth
  6. what floods cities
  7. Causes earthquakes and tsunamis
  8. plate boundaries slide past each other

16 Clues: the study of Earthwhat floods citieswhat causes to form volcanoesplate boundaries moving apartCauses earthquakes and tsunamiswhat is found in zicronium mineralswhat was the earliest eon in historyplate boundaries slide past each otherWhat is the thinnest layer of the earthWhat is the thickest layer of the earth...

Plate Tectonics 2022-04-04

Plate Tectonics crossword puzzle
Across
  1. the stickiness of lava or its resistance to flow
  2. a conical shaped landform with an opening at the top
  3. smaller earthquakes that occur after a main earthquake event
  4. plates move towards each other
  5. the upper part of the mantle along with the overlying crust
  6. hot molten rock
  7. the point on the earth's surface direction above the focus
Down
  1. an enlarged crater due to violent eruption of volcano leading to the collapse of the crater
  2. plates move away from each other
  3. located at the centre of the earth with a radius of about 3500km
  4. an opening at the top of a volcano
  5. a point of sudden energy release where seismic waves radiate out
  6. an opening where magma escapes to the earth's surface
  7. an unusually large sea wave formed by the movement of the sea floor during a large sea quake
  8. plate slide past each other
  9. an instrument that records the seismic waves release by an earthquake

16 Clues: hot molten rockplate slide past each otherplates move towards each otherplates move away from each otheran opening at the top of a volcanothe stickiness of lava or its resistance to flowa conical shaped landform with an opening at the topan opening where magma escapes to the earth's surfacethe point on the earth's surface direction above the focus...

Plate Tectonics 2024-02-07

Plate Tectonics crossword puzzle
Across
  1. An opening in the earth where magma and hot steam can rise up.
  2. The type of boundary that occurs when two plates pull away from each other.
  3. The type of crust underneath continents.
  4. A type of boundary where two plates brush back and forth against each other.
  5. The thickest layer of the earth.
  6. It contains convection currents.
  7. The type of crust underneath the ocean.
  8. The liquid layer of the earth.
  9. The type of boundary that occurs when two plates push toward each other.
  10. The most dense layer of the earth, composed of iron and nickel.
Down
  1. When one plate moves underneath another plate.
  2. The theory created by Alfred Wegener that say the earth has plates that move across the mantle.
  3. Made up of the upper mantle and the crust.
  4. A supercontinent that existed before the world looked the way it does today.
  5. One of the effects from a transform boundary.
  6. The outermost and thinnest layer of the earth.

16 Clues: The liquid layer of the earth.The thickest layer of the earth.It contains convection currents.The type of crust underneath the ocean.The type of crust underneath continents.Made up of the upper mantle and the crust.One of the effects from a transform boundary.When one plate moves underneath another plate....

Plate Tectonics 2024-05-08

Plate Tectonics crossword puzzle
Across
  1. Hot fluid rock within the earth's crust.
  2. Vent on the surface of the earth that releases magma.
  3. The type of wave that forms from earthquakes.
  4. Middle of a tectonic plate.
  5. When one plate goes under another.
  6. Type of boundary where plates come together.
  7. Study of seismic waves.
  8. Unexpected ground movement, caused by the release of energy in rocks
Down
  1. The slower wave, can only travel through solids.
  2. The faster wave, can travel through all matter.
  3. A disturbance in a medium that carries energy.
  4. Massive slabs of rock in the lithosphere that move with tectonics.
  5. A narrow crack in the earth.
  6. Long, narrow ditches formed in the ocean floor.
  7. Type of boundary where plates move apart.
  8. Type of boundary where plates slide past each other.

16 Clues: Study of seismic waves.Middle of a tectonic plate.A narrow crack in the earth.When one plate goes under another.Hot fluid rock within the earth's crust.Type of boundary where plates move apart.Type of boundary where plates come together.The type of wave that forms from earthquakes.A disturbance in a medium that carries energy....

Plate Tectonics 2025-02-07

Plate Tectonics crossword puzzle
Across
  1. Tectonic Plates move past each other, not touching at this boundaryContinentalDrift This theory is a part of the overall Plate Tectonic theory and helps to explain why Paleontologists have discovered the same dinosaur fossils on different continents
  2. Recognized as the most important Paleontologist in history and known as the "Father of Paleontology"
  3. Scientist who studies ancient life and environments by studying fossils
  4. Layer of the earth that contains magma
  5. In the mantle, cooler magma _____ and is more dense
  6. The theory of ________________ is that the earth’s outermost layer called the lithosphere is divided into large, moving plates that interact with each other, causing earthquakes, volcanoes, mountain ranges, and other geological features along their boundaries
  7. Tectonic Plate boundaries move away from each other
  8. Theory that Earth had a supercontinent landmass millions of years ago when all the continents were joined together
Down
  1. Tectonic Plate boundaries move towards each other
  2. Fossils of ocean/marine life have been found on top of mountains because the mountains were probably once under __________
  3. At transform boundaries, crust is not created or destroyed, but grinding action can cause "earth shaking" events known as ______
  4. The preserved remains of a plant or animal from the past
  5. Tuskegee Airman regarded as The 1st African American Paleontologist and 1st African American Curator of the Smithsonian National Air & Space Museum in 1980
  6. Earth's most dense layer made mostly of liquid iron and nickel
  7. Paleontologist studying a rock face with multiple layers of fossils will find the oldest layer at the ________
  8. In the mantle, warmer magma _____ and is less dense

16 Clues: Layer of the earth that contains magmaTectonic Plate boundaries move towards each otherIn the mantle, cooler magma _____ and is more denseIn the mantle, warmer magma _____ and is less denseTectonic Plate boundaries move away from each otherThe preserved remains of a plant or animal from the past...

plate tectonics 2024-10-01

plate tectonics crossword puzzle
Across
  1. is a feature of convergent plate boundaries
  2. plates collide into each other
  3. the lithosphere is divided into a number of crustal plates
  4. drift
  5. tectonics
  6. trenches
  7. forms where tectonic plates move apart, or rift.
  8. valley
  9. hot fluid is in the earths crust
Down
  1. plates crosses each other
  2. theory that the configuration of Earth's continents was once different than it is today
  3. is the outermost shell of a terrestrial planet
  4. boundary
  5. boundary
  6. plates move away from each other
  7. boundary
  8. floor spreading
  9. is a process in which tectonic plates split apart

18 Clues: driftvalleyboundaryboundaryboundarytrenchestectonicsfloor spreadingplates crosses each otherplates collide into each otherplates move away from each otherhot fluid is in the earths crustis a feature of convergent plate boundariesis the outermost shell of a terrestrial planetforms where tectonic plates move apart, or rift....

Plate Tectonics 2021-12-09

Plate Tectonics crossword puzzle
Across
  1. What causes the plates to move?
  2. What was found on different sides of the world (evidence of plate tectonics).
  3. Earth's plates are constantly...
  4. What do subduction zones create (think deep)
  5. What is another type of plate?
  6. Where is the Earth does convection occur?
  7. What forms when an oceanic plate meets another oceanic plate?
  8. What type of boundary causes subduction?
Down
  1. What type of plate boundary occurs when two plates go away from each other?
  2. What type of plate boundary occurs when two plates move towards each other?
  3. What happens when an oceanic plate meets a continental plate?
  4. What forms when a continental plate meets another continental plate?
  5. What type of plate boundary occurs when two plates slide past each other
  6. What happens at Transform boundaries?
  7. What is one type of plate?
  8. What was the supercontinent formed millions of years ago called

16 Clues: What is one type of plate?What is another type of plate?What causes the plates to move?Earth's plates are constantly...What happens at Transform boundaries?What type of boundary causes subduction?Where is the Earth does convection occur?What do subduction zones create (think deep)What happens when an oceanic plate meets a continental plate?...

Science 2021-12-07

Science crossword puzzle
Across
  1. Fills imprint
  2. What has plate Tectonics created
  3. How was the hypothesis viewed?
  4. Earth shakes
  5. What does the Continental Drift Hypothesis prove?
  6. Who is credited for continental Drift?
  7. Outside of middle
Down
  1. One big continent
  2. Shield around the Earth
  3. Middle of earth
  4. Is plate Tectonic movement over?
  5. Can cause earthquake
  6. Layer under Crust
  7. Imprint
  8. Outer skin of earth

15 Clues: ImprintEarth shakesFills imprintMiddle of earthOne big continentLayer under CrustOutside of middleOuter skin of earthCan cause earthquakeShield around the EarthHow was the hypothesis viewed?What has plate Tectonics createdIs plate Tectonic movement over?Who is credited for continental Drift?What does the Continental Drift Hypothesis prove?

Plate Tectonics Terms 2023-03-14

Plate Tectonics Terms crossword puzzle
Across
  1. The denser, weaker layer beneath the lithospheric mantle
  2. Minor tectonic plate in the Northern and Eastern Hemispheres
  3. Layer inside a planetary body bounded
  4. Roughly rhomboid, extending between 50°S 70°W and 63°S 20°W
  5. The earth's crust and the large-scale processes
  6. The third biggest plate
  7. The biggest plate
  8. Vent through which lava, rock fragments
  9. Landmass made up of most or all of Earth's land
Down
  1. The solid, outer part of Earth
  2. Mostly oceanic tectonic plate underlying Central America
  3. Violent shaking of the ground
  4. Includes much of the continent of Africa, and adjacent oceanic
  5. lies beneath the Philippine Sea, to the east of the Philippines
  6. The oldest rocks of the plate are about 50 million years old
  7. Earth's fifth-largest tectonic plate
  8. Where two plates move away from each other
  9. Where two plates move toward from each other
  10. Outermost solid shell of a rocky planet

19 Clues: The biggest plateThe third biggest plateViolent shaking of the groundThe solid, outer part of EarthEarth's fifth-largest tectonic plateLayer inside a planetary body boundedVent through which lava, rock fragmentsOutermost solid shell of a rocky planetWhere two plates move away from each otherWhere two plates move toward from each other...

Plate Tectonics 2014-11-25

Plate Tectonics crossword puzzle
Across
  1. A huge wave in the ocean caused by an earthquake occurring on the seafloor
  2. The process of new crust forming at the ocean ridges and spreading outwards
  3. The process of continents breaking up, getting smaller and allowing in the sea
  4. The point on the earth's surface directly above the focus of an earthquake
  5. Where the crust is sinking down into the Earth
  6. The crust that forms the continents
  7. Molten rock beneath the surface of the earth
  8. The shaking, wave-like movement of the ground during an earthquake
Down
  1. An instrument that detects the seismic waves from an earthquake
  2. A deep trench in the ocean floor that is much deeper than the rest of the floor
  3. The very slow process of continents separating as they drift across the oceans
  4. Molten rock that has erupted onto the surface of the earth
  5. The theory that the Earth's crust is cracked into many large pieces that move on the aesthenosphere
  6. The rapid movement of the ground, usually back and forth and up and down in a wave motion due to the movement of tectonic plates
  7. The crust that forms the ocean floor
  8. A place where extremely hot material from inside the earth erupts at the surface

16 Clues: The crust that forms the continentsThe crust that forms the ocean floorMolten rock beneath the surface of the earthWhere the crust is sinking down into the EarthMolten rock that has erupted onto the surface of the earthAn instrument that detects the seismic waves from an earthquakeThe shaking, wave-like movement of the ground during an earthquake...

Plate Tectonics 2015-03-30

Plate Tectonics crossword puzzle
Across
  1. ocean collision/ Older denser oceanic plate us subducted downward into the mantle and a chain of volcanic islands can be formed. What convergent boundary is this?
  2. boundary is this ?
  3. continental collision/ Two continental plates collide, mountains usually form because both relatively low in density. What convergent boundary is this?
  4. floor spreading/What process does the divergent sea floor spreading use?
  5. valley/What does a divergent boundary continental-continental create?
  6. process does the convergent oceanic continental use?
  7. process is used for the convergent ocean ocean collision?
  8. boundary is this -><-?
  9. ridge/ What does a divergent sea floor spreading create?
Down
  1. What process does the convergent continent continent use?
  2. does a transform boundary create?
  3. floor spreading/ Two ocean plates pull apart from each other. What divergent boundary is this?
  4. arc/What does a ocean ocean collision create?
  5. does a convergent oceanic-continental create?
  6. What process does the transform boundary use?
  7. What does a continent-continent collision create?
  8. boundary is this <-->?
  9. continental/Oceanic crust more dense, so it subducts under the continental crust. What convergent boundary is this?

18 Clues: boundary is this ?boundary is this <-->?boundary is this -><-?does a transform boundary create?arc/What does a ocean ocean collision create?does a convergent oceanic-continental create?What process does the transform boundary use?What does a continent-continent collision create?process does the convergent oceanic continental use?...

Plate Tectonics 2015-03-30

Plate Tectonics crossword puzzle
Across
  1. What process does the transform boundary use?
  2. What does a continent-continent collision create?
  3. ridge/ What does a divergent sea floor spreading create?
  4. does a transform boundary create?
  5. boundary is this <-->?
  6. What process does the convergent continent continent use?
  7. process is used for the convergent ocean ocean collision?
Down
  1. continental/Oceanic crust more dense, so it subducts under the continental crust. What convergent boundary is this?
  2. boundary is this ?
  3. does a convergent oceanic-continental create?
  4. boundary is this -><-?
  5. valley/What does a divergent boundary continental-continental create?
  6. process does the convergent oceanic continental use?
  7. ocean collision/ Older denser oceanic plate us subducted downward into the mantle and a chain of volcanic islands can be formed. What convergent boundary is this?
  8. continental collision/ Two continental plates collide, mountains usually form because both relatively low in density. What convergent boundary is this?
  9. floor spreading/ Two ocean plates pull apart from each other. What divergent boundary is this?
  10. continental/ Two plates pull apart, normal faults develop on both sides of the rift and the central blocks slide downwards; rift valley are created most of the time. What divergent boundary is this?
  11. arc/What does a ocean ocean collision create?

18 Clues: boundary is this ?boundary is this -><-?boundary is this <-->?does a transform boundary create?does a convergent oceanic-continental create?What process does the transform boundary use?arc/What does a ocean ocean collision create?What does a continent-continent collision create?process does the convergent oceanic continental use?...

Plate tectonics 2021-02-05

Plate tectonics crossword puzzle
Across
  1. a sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust
  2. a long high sea wave caused by an earthquake or submarine landslide
  3. boundary occurs when two tectonic plates move away from each other
  4. boundary is a place where plates slide sideways past each other
  5. is a fracture or zone of fractures between two blocks of rock
  6. is not expected to ever erupt again
  7. is an opening in the earth's crust through which lava, volcanic ash, and gases escape
Down
  1. have not erupted for a very long time but may erupt at a future time
  2. is a channel for conveying water or other fluid
  3. hot molten or semifluid rock erupted from a volcano or fissure, or solid rock resulting from cooling of this
  4. the point on the earth's surface vertically above the focus of an earthquake
  5. hot fluid or semifluid material below or within the earth's crust from which lava and other igneous rock is formed on cooling
  6. waves a wave of energy that travels through the Earth and away from an earthquake in all directions
  7. zone is a collision between two of Earth's tectonic plates where one plate sinks into the mantle underneath the other plate
  8. boundary occurs when plates move towards each other and collide
  9. is the outermost shell of a planet

16 Clues: is the outermost shell of a planetis not expected to ever erupt againis a channel for conveying water or other fluidis a fracture or zone of fractures between two blocks of rockboundary is a place where plates slide sideways past each otherboundary occurs when plates move towards each other and collide...

Plate Tectonics 2021-10-13

Plate Tectonics crossword puzzle
Across
  1. the denser plate sinks under the buoyant one
  2. as a slab sinks, it pulls the plate with a force called :
  3. the circulation of material due to density
  4. two plates collide
  5. Rising mantle at mid-ocean creating potential for plates to move away
  6. Reverses to point south
Down
  1. two plates sliding past each other
  2. Mountains ranges in the ocean
  3. Earth's surface is thought to be made of these
  4. New crust forms Old crust moves
  5. two plates separating
  6. magnetic field reverses direction
  7. continents in constant motion
  8. needle pointing north
  9. The rigid, cold, outermost layer of rock
  10. the supercontinent

16 Clues: two plates collidethe supercontinenttwo plates separatingneedle pointing northReverses to point southMountains ranges in the oceancontinents in constant motionNew crust forms Old crust movesmagnetic field reverses directiontwo plates sliding past each otherThe rigid, cold, outermost layer of rockthe circulation of material due to density...

Plate Tectonics 2021-10-11

Plate Tectonics crossword puzzle
Across
  1. rigid rock slabs
  2. forms where two plates separate
  3. move away from the ridge with with force
  4. circulation of material caused by difference in temperature and desity
  5. denser plate sinks below the more buoyant plate
  6. magnetized objects orient themselves to point north
  7. all the continents were once together
  8. mountain ranges in the ocean
  9. suggested that continents are constinly moving
Down
  1. form where two plates collide
  2. the process of new oceanic crust forms along a mid-ocean ridges
  3. magnetized objects orient themselves to point south
  4. forms where two plates slide past
  5. reversing direction
  6. a slab sinks it pulls on the rest of the plate with force
  7. outermost rock

16 Clues: outermost rockrigid rock slabsreversing directionmountain ranges in the oceanform where two plates collideforms where two plates separateforms where two plates slide pastall the continents were once togethermove away from the ridge with with forcesuggested that continents are constinly movingdenser plate sinks below the more buoyant plate...

plate tectonics 2021-11-05

plate tectonics crossword puzzle
Across
  1. the solid, outer layer of the earth that consists of the crust and the upper part of the mantle
  2. an underwater chain of mountains.
  3. a vent on the earths surface where magma and gases are expelled
  4. boundary between two plates that are sliding past each other
  5. currents in the mantle from the magma being heated by the core of the earth
  6. the supercontinent that existed millions of years ago
  7. a theory proposed by Alfred Wegener that explains how large pieces of land called plates move and change shape of the earth.
Down
  1. a boundary where two plates are moving apart - hint: create new crust
  2. boundary between two colliding plates - keywords: ocean trench
  3. the layer of rock that forms earth's outer surface
  4. Alfred Wegner's hypothesis that the continents were once a supercontinent
  5. creates midocean ridges, earthquakes, and volcanic activity
  6. when one tectonic plates dives under another
  7. the process by which Earth's crust breaks apart
  8. a deep valley that forms on land at a divergent boundary where two plates move apart
  9. created by two pieces of continental crust converging

16 Clues: an underwater chain of mountains.when one tectonic plates dives under anotherthe process by which Earth's crust breaks apartthe layer of rock that forms earth's outer surfacecreated by two pieces of continental crust convergingthe supercontinent that existed millions of years agocreates midocean ridges, earthquakes, and volcanic activity...

plate tectonics 2022-03-20

plate tectonics crossword puzzle
Across
  1. the upper layer of the earth's
  2. crust upper the mental
  3. is continents is Europe
  4. are tectonic plates that move away
  5. is continents in Asia
  6. two tectonic moving toward each other
  7. is continents in Australia
Down
  1. is the mostly-solid bulk of Earth's
  2. is continents is north America
  3. is Earth's seven main divisions of land.
  4. the continents is south American
  5. is how major landforms are created
  6. is passed each other.
  7. the outermost shell of a terrestrial planet.
  8. is continents is Africa
  9. is continent is Antarctica

16 Clues: is passed each other.is continents in Asiacrust upper the mentalis continents is Europeis continents is Africais continent is Antarcticais continents in Australiathe upper layer of the earth'sis continents is north Americathe continents is south Americanis how major landforms are createdare tectonic plates that move away...

Plate Tectonics 2022-03-24

Plate Tectonics crossword puzzle
Across
  1. a fissure in the earth's crust through which gases erupt
  2. rich in implication
  3. the lower layer of the crust
  4. movement of the edge of one tectonic plate under another
  5. outer layer of the earth
  6. plate plate below the north american plate
  7. core hot, dense ball of (mostly) iron.
Down
  1. the act of putting something somewhere
  2. super continent made up of all continents
  3. the amount per unit size
  4. the exertion of force to a surface
  5. transfer of heat caused by molecular motion in liquid or gas
  6. core fluid layer about 2,260 km
  7. the layer under the earth
  8. plate plate covering most of North America
  9. The center of an object

16 Clues: rich in implicationThe center of an objectthe amount per unit sizeouter layer of the earththe layer under the earththe lower layer of the crustcore fluid layer about 2,260 kmthe exertion of force to a surfacethe act of putting something somewherecore hot, dense ball of (mostly) iron.super continent made up of all continents...

Plate Tectonics 2022-02-07

Plate Tectonics crossword puzzle
Across
  1. long, narrow mountain range on the ocean floor; formed by magma at divergent plate boundaries.
  2. when magnetized objects, such as compass needles, orient themselves to point north
  3. the process that occurs when one tectonic plate moves under another tectonic plate
  4. the process that results when magma rises at a mid-ocean ridge and pushes oceanic plates in two different directions away from the ridge
  5. the movement of Earth’s continents over time
  6. boundary the boundary between two plates that move toward each other
  7. boundary the boundary between two plates that move away from each other
  8. boundary the boundary between two plates that slide past each other
  9. an event that causes a magnetic field to reverse direction
Down
  1. an event that causes a magnetic field to reverse direction
  2. when magnetized objects reverse direction and orient themselves to point south
  3. the circulation of particles within a material caused by differences in thermal energy and density
  4. the process by which new oceanic crust forms along a mid-ocean ridge and older oceanic crust moves away from the ridge
  5. the rigid outermost layer of Earth that includes the uppermost mantle and crust
  6. the process that results when a dense oceanic plate sinks beneath a more buoyant plate along a subduction zone, pulling the rest of the plate that trails behind it
  7. theory that Earth’s surface is broken into large, rigid pieces that move with respect to each other
  8. name given to a supercontinent that began to break apart approximately 200 million years ago.

17 Clues: the movement of Earth’s continents over timean event that causes a magnetic field to reverse directionan event that causes a magnetic field to reverse directionboundary the boundary between two plates that slide past each otherboundary the boundary between two plates that move toward each other...

plate tectonics 2021-12-09

plate tectonics crossword puzzle
Across
  1. Ordered from largest in area to smallest, these seven regions are.
  2. hot molten or semifluid rock erupted from a volcano or fissure, or solid rock resulting from cooling of this.
  3. are formed by divergent plate boundaries. These zones, located along mid-ocean ridges, represent areas where up welling magma creates new oceanic crust.
  4. the rigid outer part of the earth, consisting of the crust and upper mantle.
  5. hot fluid or relative fluid material below or within the earth's crust from which lava and other igneous rock is formed on cooling.
  6. Photographs and information for a large collection of igneous, metamorphic and sedimentary
  7. rock, rock formed at or near Earth's surface by the accumulation and made of sediment
  8. boundaries are the edges where two plates meet. Most geologic activities, including volcanoes, earthquakes, and mountain building, take place at plate boundaries.
  9. boundaries where new crust is generated as the plates pull away from each other.
Down
  1. movements.
  2. is a scientific theory that explains how major landforms are created as a result of Earth's
  3. it erupts lava and magma out of it.
  4. the upper layer of the earth's mantle, below the lithosphere, in which there is relatively low resistance to plastic flow and convection is thought to occur.
  5. that contain characteristic pillow-shaped structures that are attributed to the extrusion of the lava underwater, or sub aqueous.
  6. something moving the plates and making the crust move.
  7. rocks arise from the transformation of existing rock to new types of rock, in a process called metamorphism.

16 Clues: movements.it erupts lava and magma out of it.something moving the plates and making the crust move.Ordered from largest in area to smallest, these seven regions are.the rigid outer part of the earth, consisting of the crust and upper mantle.boundaries where new crust is generated as the plates pull away from each other....

Plate Tectonics 2022-11-27

Plate Tectonics crossword puzzle
Across
  1. layer of the Earth where we live on
  2. heat transfer through touch
  3. a series of hydrothermal vents found along plate boundaries
  4. layer of the Earth that is completely liquid and made of nickel and iron
  5. layer of the Earth that includes the lithosphere, asthenosphere, and the lower mantle
  6. layer in the Earth where rock is so hot it allows for convection currents to occur
  7. the process where the sea floor hits a continent and causing it to sink underneath the land and be reabsorbed into the mantle
  8. movement of heat through liquids and gases which allows for currents to be made
Down
  1. layer of the Earth that includes the crust and the top part of the mantle
  2. when a fluid is heated the hotter particles rise and the cooler particles sink which causes this to occur (also happens inside the Earth)
  3. the process of convection currents pushing up magma and creating new rock on the ocean floor
  4. layer of the Earth that is completely solid and is the hottest layer
  5. when all the continents where connected as one it was called this
  6. heat transfer through "space" between substances
  7. mini ocean volcanoes
  8. Alfred Wegener's idea of how the continents move slowly over Earth's surface

16 Clues: mini ocean volcanoesheat transfer through touchlayer of the Earth where we live onheat transfer through "space" between substancesa series of hydrothermal vents found along plate boundarieswhen all the continents where connected as one it was called thislayer of the Earth that is completely solid and is the hottest layer...

Plate Tectonics 2021-04-28

Plate Tectonics crossword puzzle
Across
  1. an opening in Earth’s crust from which lava, gas, and ash erupt.
  2. the movement of plates that make up Earth’s surface.
  3. boundary between plates that are moving toward each other.
  4. a time when Earth was very cold and large areas were covered by glaciers.
  5. boundary between plates that are moving away from each other.
  6. a rigid section of Earth’s crust that moves very slowly.
  7. the layer of Earth between the crust and the core.
  8. Continental ________ is the theory that the continents are moving very slowly proposed by Alfred Wegener in 1915.
Down
  1. a convergent boundary where one plate is sliding beneath another
  2. the rigid upper layer of the Earth.
  3. an ancient supercontinent that scientists believe existed from about 200 to 300 million years ago.
  4. layer of the upper mantle in which rocks can deform like plastic.
  5. a large, slowly moving body of snow and ice.
  6. the remains, traces, or imprint of an ancient living thing preserved in rock.
  7. shaking and vibration of Earth’s surface.
  8. a boundary between plates that are sliding past one another.

16 Clues: the rigid upper layer of the Earth.shaking and vibration of Earth’s surface.a large, slowly moving body of snow and ice.the layer of Earth between the crust and the core.the movement of plates that make up Earth’s surface.a rigid section of Earth’s crust that moves very slowly.boundary between plates that are moving toward each other....

Plate Tectonics 2022-10-12

Plate Tectonics crossword puzzle
Across
  1. Sea-floor _______________ is the process by which new oceanic crust is created
  2. a long, deep depression in the ocean floor where old oceanic crust sinks into the mantle
  3. and ancient supercontinent formed about 300 million years ago
  4. the type of rock that has been changed by temperature, pressure, or reactions with hot water
  5. the type of rock that forms from magma or lava
  6. the process where old oceanic plates sink into the mantle
  7. small, solid pieces of material that come from rocks or living organisms
  8. the boundary at which plates slide past each other
Down
  1. plate __________ is the theory that pieces of Earth's lithosphere move about slowly on top of the Asthenosphere
  2. the boundary at which plates move away from each other
  3. the boundary at which tectonic plates collide
  4. magma that flows over earth's surface
  5. the _____ cycle is the series of processes in which rock continuously change from one type to another
  6. the type of rock the forms over time as sediment is squeezed and cemented together
  7. The mid ocean ______ is a chain of underwater mountains
  8. a mixture of molten rock and gases

16 Clues: a mixture of molten rock and gasesmagma that flows over earth's surfacethe boundary at which tectonic plates collidethe type of rock that forms from magma or lavathe boundary at which plates slide past each otherthe boundary at which plates move away from each otherThe mid ocean ______ is a chain of underwater mountains...

Plate Tectonics 2023-11-27

Plate Tectonics crossword puzzle
Across
  1. Melted rock above the Earth's surface
  2. When one plate goes under another one
  3. The hottest of Earth's layers; also the innermost layer of Earth
  4. The process of plates moving around the Earth
  5. The thickest layer of the earth; where convection currents cause plates to move
  6. Two plates moving past each other
  7. A phenomenon that occurs anytime two plates get stuck and then suddenly unstuck
Down
  1. Two plates that are coming together
  2. The layer of Earth that makes up most of the tectonic plates
  3. Two plates that are moving apart
  4. An elevated part of Earth's crust with no magma inside; formed by two plates of equal density coming together
  5. An extra-hot part of the mantle where volcanoes like Hawaii and Yellowstone have formed
  6. A deep part of the ocean formed when one plate goes under another one
  7. An area where magma comes up to the Earth's surface
  8. An area of the ocean with several bumps formed by the spreading of two plates away from each other
  9. Melted rock beneath the Earth's surface

16 Clues: Two plates that are moving apartTwo plates moving past each otherTwo plates that are coming togetherMelted rock above the Earth's surfaceWhen one plate goes under another oneMelted rock beneath the Earth's surfaceThe process of plates moving around the EarthAn area where magma comes up to the Earth's surface...

plate tectonics 2024-02-23

plate tectonics crossword puzzle
Across
  1. What is it called when form initially by the stretching and moving of continental crust and by the rise of mantle material and magma into the crack to form new oceanic lithosphere
  2. Mountains are fornd by ------ caused by convergent plates
  3. What is caused by the movement between tectonic plates along a line in the earth's crust
  4. What theory was created by Alfred Wegener
  5. what happens when one plate goes under the other
  6. What does a convergent plate boundary make when they push together
  7. what was the most damaging earthquake called
Down
  1. What is it called occurs when two tectonic plates move away from each other
  2. What is it called when 2 tectonic plates go under each other
  3. what is it called when two plates slide past each other
  4. what is the most destructive volcano in the world
  5. what was it called when all the continents were connected
  6. What happens when an earthquake happens close or under the sea
  7. What is the massive mid-ocean ridge system which is a continuous range of underwater volcanoes that wraps around the globe called
  8. which country is getting split in half by tectonic plates
  9. What is the reoccurring wave caused by effects of the gravitational interactions between the Sun, Moon, and Earth on the ocean called

16 Clues: What theory was created by Alfred Wegenerwhat was the most damaging earthquake calledwhat happens when one plate goes under the otherwhat is the most destructive volcano in the worldwhat is it called when two plates slide past each otherMountains are fornd by ------ caused by convergent plates...

Plate Tectonics 2024-02-23

Plate Tectonics crossword puzzle
Across
  1. - the outermost shell of a terrestrial planet.
  2. - molten rock that issues from a volcano or from a fissure in the surface of a planet (such as earth) or moon.
  3. - one in which one side of the plate, the hanging wall, moves up and over the other side, the foot wall.
  4. - one on which the displacement of the far block is to the left when viewed from either side.
  5. - is the mostly solid bulk of Earth's interior.
  6. - having fault plane dips <45o, usually <30o.
  7. - a set of stress directed toward the center of a rock mass.
Down
  1. - the block above the fault has moved downward relative to the block below.
  2. - planet we live on and studied by geologists.
  3. - massive slab of solid rock made up of Earth's lithosphere (crust and upper mantle).
  4. - the force applied to a rock and may cause deformation.
  5. - the sudden release of strain energy in the Earth's crust.
  6. - cracks in the crust where there is no movement.
  7. - a fracture or zone of fractures between two blocks of rock.
  8. - a geologic structure that is formed by layers or beds of rock being bent.
  9. - stress which stretches rocks in two opposite directions.

16 Clues: - having fault plane dips <45o, usually <30o.- the outermost shell of a terrestrial planet.- cracks in the crust where there is no movement.- planet we live on and studied by geologists.- is the mostly solid bulk of Earth's interior.- the sudden release of strain energy in the Earth's crust....

Plate Tectonics 2020-12-10

Plate Tectonics crossword puzzle
Across
  1. The layer that the tectonic plates float on.
  2. A type of plate boundary where two plates slide past each other.
  3. Natural occurrence caused by transform boundaries.
  4. A type of plate boundary where two plates move away from each other.
  5. The type of crust that makes up the ocean floor of the plate. It is more dense but thinner.
  6. Natural occurrence caused by divergent boundaries.
  7. Number of different plate boundaries.
  8. Measure of how compact the layer is.
Down
  1. The first scientist that brought up the theory of plate tectonics.
  2. The type of heat movement that happens in the mantle that is the main part of plate movement.
  3. The type of crust that makes up the land of a plate. It is thicker but less dense.
  4. Natural occurrence caused by convergent boundaries.
  5. A type of plate boundary where two or more plates collide or subduct.
  6. Theory that the Earth's crust is divided into different plates that move over time.
  7. When a plate slides under another plate.
  8. The name of the supercontinent as named by Alfred Wegener.

16 Clues: Measure of how compact the layer is.Number of different plate boundaries.When a plate slides under another plate.The layer that the tectonic plates float on.Natural occurrence caused by transform boundaries.Natural occurrence caused by divergent boundaries.Natural occurrence caused by convergent boundaries....

Plate Tectonics 2024-03-21

Plate Tectonics crossword puzzle
Across
  1. study of magnetic record
  2. theory that says the Earth is made of moving plates
  3. fossil of seed fern
  4. aquatic reptile found in freshwater rocks
  5. boundary that moves apart
  6. long narrow depression where crust is separating
  7. line on a map that connects points that have same age
  8. says Earth's continents had once been joined
Down
  1. one plate descends under another plate
  2. device that detects small changes in magnetic fields
  3. scientist who proposed the continents were joined
  4. boundary where plates push towards each other
  5. describes a change in Earth's magnetic field
  6. theory that explains continental movement
  7. supercontinent
  8. boundary that slides past each other

16 Clues: supercontinentfossil of seed fernstudy of magnetic recordboundary that moves apartboundary that slides past each otherone plate descends under another plateaquatic reptile found in freshwater rockstheory that explains continental movementdescribes a change in Earth's magnetic fieldsays Earth's continents had once been joined...

plate tectonics 2023-03-22

plate tectonics crossword puzzle
Across
  1. our home planet
  2. a mountain or hill, typically conical, having a crater or vent through which lava, rock fragments, hot vapor, and gas are being or have been erupted from the earth's crust
  3. the mostly solid bulk of Earth's interior
  4. what happens when two blocks of the earth suddenly slip past one another
  5. a supercontinent that incorporated almost all the landmasses on Earth
  6. a geological process in which the oceanic lithosphere and some continental lithosphere is recycled into the Earth's mantle at convergent
  7. extremely hot liquid and semi-liquid rock located under Earth's surface
  8. giant waves caused by earthquakes or volcanic eruptions under the sea
  9. of fire a path along the Pacific Ocean characterized by active volcanoes
Down
  1. rigid layers of solid rock
  2. pull apart
  3. they slide past each other
  4. any substance or device that can be made to produce a volume of rapidly expanding gas in an extremely brief period
  5. molten or partially molten rock (magma) that has been expelled from the interior of a terrestrial planet (such as Earth) or a moon onto its surface
  6. two plates collide
  7. the very hot, very dense center of our planet

16 Clues: pull apartour home planettwo plates colliderigid layers of solid rockthey slide past each otherthe mostly solid bulk of Earth's interiorthe very hot, very dense center of our planeta supercontinent that incorporated almost all the landmasses on Earthgiant waves caused by earthquakes or volcanic eruptions under the sea...

Plate tectonics 2022-12-05

Plate tectonics crossword puzzle
Across
  1. the boundary between tectonic plates that slide past each other horizontally
  2. a long steep-sided depression in the ocean floor
  3. a large ocean that covered earth during the time of pangaea
  4. long undersea mountain chains that have a narrow valley in the center
  5. wegener German scientist that proposed the hypothesis of continental drift
  6. the boundary between tectonic plates that are moving away from each other
  7. the hypothesis that the continents formed a single landmass
  8. the boundary between tectonic plates that are colliding
  9. a piece of lithosphere that has a unique geologic history
  10. molten rock in earths core
Down
  1. the process by which a super continent forms and breaks apart over millions of years
  2. proved continental drift
  3. the study of the alignment of magnetic minerals in rock
  4. the lower layer of the crust
  5. the process by which earth breaks apart
  6. supercontinent formed 300 million years ago

16 Clues: proved continental driftmolten rock in earths corethe lower layer of the crustthe process by which earth breaks apartsupercontinent formed 300 million years agoa long steep-sided depression in the ocean floorthe study of the alignment of magnetic minerals in rockthe boundary between tectonic plates that are colliding...

Plate Tectonics 2023-04-13

Plate Tectonics crossword puzzle
Across
  1. Plate boundary type where plates are sliding past one another
  2. Theory that states the continents once formed a single land mass that separated (2 words)
  3. Pacific, North American, African, Eurasian, South American...
  4. Scientist who first proposed that the continents were moving (2 words)
  5. Plate boundary type where plates are moving toward each other
  6. Outermost rigid layer of the Earth
  7. Where two continental plates collide; like the Himalayas
  8. Highly active zone of volcanoes and earthquakes around the Pacific plate
  9. Plate boundary type where plates are moving away from each other
Down
  1. Zone where one plate goes under another when colliding
  2. Process in the mantle that allows plates to move
  3. Process where new oceanic lithosphere forms as magma rises to Earth's surface and forms the mid-ocean ridge (3 words)
  4. Supercontinent that began to separate 250 mya
  5. Where two continental plates separate; like in Africa
  6. Process where supercontinents form and break apart over millions of years (2 words)
  7. Where two plates separate, and form this under the ocean on the sea floor (3 words)

16 Clues: Outermost rigid layer of the EarthSupercontinent that began to separate 250 myaProcess in the mantle that allows plates to moveWhere two continental plates separate; like in AfricaZone where one plate goes under another when collidingWhere two continental plates collide; like the Himalayas...

Plate Tectonics 2023-01-18

Plate Tectonics crossword puzzle
Across
  1. Cause the plates to move; between the lithosphere and the asthenosphere
  2. The undersea mountain mountain chain where new ocean floor is produced; a divergent plate boundary
  3. The name of the single landmass that broke apart about 225 million years ago
  4. A layer of molten iron and nickel that surrounds the inner core of the Earth
  5. A deep valley where two plates move apart
  6. A rigid layer made up of the uppermost part of the mantle and the crust
  7. A deep canyon on the ocean floor
  8. thickest layer of the Earth; it consists of two layers - the lithosphere and the asthenosphere
  9. the process by which molten material adds new oceanic crust to the ocean floor
Down
  1. German Scientist who developed the Theory of the Continental Drift in 1912.
  2. Alfred Wegener's hypothesis that the continents were once one huge land mass but have since then drifted apart
  3. theory that pieces of the Earth's lithosphere are in motion,driven by convection currents in the mantle
  4. A soft layer of the mantle on which the lithosphere floats
  5. Dense ball of solid material at the center of he Earth
  6. the layer of rock that forms the Earth's outer surface.
  7. A break or crack in the Earth's lithosphere along which rocks move.

16 Clues: A deep canyon on the ocean floorA deep valley where two plates move apartDense ball of solid material at the center of he Earththe layer of rock that forms the Earth's outer surface.A soft layer of the mantle on which the lithosphere floatsA break or crack in the Earth's lithosphere along which rocks move....

Plate Tectonics 2025-02-25

Plate Tectonics crossword puzzle
Across
  1. Where two plates slide past each other
  2. Soft-solid layer of the Earth
  3. The center of the Earth
  4. Supercontinent that formed in Earth's past
  5. The dinosaur that could not swim long distances
  6. Thinnest layer of the Earth
  7. The shaking of the Earth when two plates slide past one another
Down
  1. Where two plates split apart
  2. Is the mantle hot or cold?
  3. When lava bursts through holes in the crust
  4. Where two plates collide
  5. Scientist who developed the theory of plate tectonics
  6. Soft solid lava underneath the crust
  7. Earth's crust breaks into...
  8. The line where two plates meet
  9. Wegener's theory

16 Clues: Wegener's theoryThe center of the EarthWhere two plates collideIs the mantle hot or cold?Thinnest layer of the EarthWhere two plates split apartEarth's crust breaks into...Soft-solid layer of the EarthThe line where two plates meetSoft solid lava underneath the crustWhere two plates slide past each otherSupercontinent that formed in Earth's past...

Plate Tectonics 2024-11-15

Plate Tectonics crossword puzzle
Across
  1. A very deep valley in the ocean floor
  2. When two plates move away from each other
  3. When two plates move toward each other
  4. When one plate slides under another and sinks into the mantle
  5. Crust: The thin, dense part of Earth's outer layer under the oceans
  6. Crust: The thick part of Earth's outer layer that forms the land we live on
  7. Lithosphere: The outer layer under the oceans
  8. The rigid outer part of Earth, including the crust and top of the mantle
  9. The belt-like motion of tectonic plates
  10. Lithosphere: The outer layer under the continents
  11. A place where two plates meet
Down
  1. An ancient supercontinent that existed millions of years ago
  2. An underwater mountain range where new crust forms
  3. Drift: The idea that continents slowly move over time
  4. Plate: A large piece of Earth's outer shell that moves around
  5. The softer layer below the lithosphere where plates move
  6. The movement of heat that helps drive plate motion
  7. A huge landmass made of several continents joined together
  8. Spreading: The process of making new ocean floor at underwater ridges

19 Clues: A place where two plates meetA very deep valley in the ocean floorWhen two plates move toward each otherThe belt-like motion of tectonic platesWhen two plates move away from each otherLithosphere: The outer layer under the oceansLithosphere: The outer layer under the continentsAn underwater mountain range where new crust forms...

Plate tectonics 2025-10-16

Plate tectonics crossword puzzle
Across
  1. – Huge slab of Earth's lithosphere
  2. – Plates slide past each other
  3. – Outermost layer of the Earth
  4. – Plates move apart
  5. – Sudden shaking of the ground
  6. – Crack in Earth's crust
  7. you like me to turn these into a crossword puzzle grid with a picture, like the earlier ones?
Down
  1. – Plates move toward each other
  2. – Underwater mountain chain
  3. – One plate goes under another
  4. – Layer beneath the crust
  5. – Center of the Earth
  6. – Ancient supercontinent
  7. – Molten rock beneath the surface
  8. – Mountain that erupts lava
  9. – Deep valley at subduction zones

16 Clues: – Plates move apart– Center of the Earth– Ancient supercontinent– Crack in Earth's crust– Layer beneath the crust– Underwater mountain chain– Mountain that erupts lava– One plate goes under another– Plates slide past each other– Outermost layer of the Earth– Sudden shaking of the ground– Plates move toward each other...

Science and Nature 2013-01-08

Science and Nature crossword puzzle
Across
  1. study of all living things
  2. supercontinent
  3. electrical storm
  4. type of tectonic plate
  5. study of outer space
  6. study of insects
  7. sea wave created by earthquake
  8. a pioneer in plate tectonics
  9. third planet from the Sun
  10. sky, atmosphere, weather
Down
  1. known as a twister
  2. tornado over water
  3. person studies weather
  4. a tropical storm
  5. vibration of the earth
  6. most active volcano in Hawaii
  7. eruption on Earth's surface
  8. knowledge from study & practice
  9. study of the earth
  10. arch of colors formed in the sky

20 Clues: supercontinenta tropical stormelectrical stormstudy of insectsknown as a twistertornado over waterstudy of the earthstudy of outer spaceperson studies weathervibration of the earthtype of tectonic platesky, atmosphere, weatherthird planet from the Sunstudy of all living thingseruption on Earth's surfacea pioneer in plate tectonics...

Process Occurs Along The Plate Boundaries 2024-09-29

Process Occurs Along The Plate Boundaries crossword puzzle
Across
  1. zone are where Earth's tectonics plates dive back into the mantle
  2. boundary occurs when two plates move away from each other
  3. is extremely hot liquid and semi liquid rock located under earth
  4. crust is the part of the Earth crust that wakes up the seafloor
  5. is the mostly solod bulk of the earth
  6. crust the outermost layer of earth lithosphere that wake up the plate
  7. is the rocky outer part of Earth
  8. a proportion of the earth mantle the flows like molten plastic despite being solid
Down
  1. valley lowhand rigan that forms where Earth's tectonics plates move apart
  2. this occurs when plate move toward each other and collide
  3. a type of fault in wich two tectonics plates side past one another
  4. is a opening on the Earth crust from where molten lava
  5. are prominents landform that have significant above sea level
  6. long narrow depression on the seafloor that form at the boundary
  7. is a continuous body of salt water that is contained in an enormous basin on earth

15 Clues: is the rocky outer part of Earthis the mostly solod bulk of the earthis a opening on the Earth crust from where molten lavathis occurs when plate move toward each other and collideboundary occurs when two plates move away from each otherare prominents landform that have significant above sea level...

Tectonic Plates Terms 2021-03-09

Tectonic Plates Terms crossword puzzle
Across
  1. Sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action
  2. A general statement derived from a hypothesis that has withstood sufficient testing.
  3. Magnetism, An area of historical geology devoted to studying the direction and intensity of magnetic fields in the past, as discerned from the residual magnetization of rocks.
  4. The science that deals with the earth's physical structure and substance, its history, and the processes that act on it
  5. A very large expanse of sea, in particular each of the main areas into which the sea is divided geographically.
  6. One of two principal forms of tectonism, the other being epeirogenesis. Derived from the Greek words for mountain and origin, this involves the formation of mountain ranges by means of folding, faulting, and volcanic activity. These processes play a major role in plate tectonics
  7. In early geologic time, a supercontinent that incorporated almost all the landmasses on Earth.
  8. The thick, dense layer of rock, approximately 1,429 mi. (2,300 km) thick, between Earth's crust and its core.
  9. American, The tectonic plate that contains south America
  10. The outer solid part of the earth, including the crust and uppermost mantle. The lithosphere is about 100 km thick, although its thickness is age-dependent (the older lithosphere is thicker).
  11. The planet on which we live
  12. The deformation of the lithosphere.
  13. The tectonic plate containing mostly ocean
  14. Sensing, The gathering of data without actual contact with the materials or objects being studied.
  15. The study of tectonism, including its causes and effects, most notably mountain building.
  16. Ridge, An underwater mountain system that consists of various mountain ranges (chains), typically having a valley known as a rift running along its spine, formed by plate tectonics.
  17. A tectonic process that results when plates converge and one plate forces the other down into earth's mantle. As a result, the subducted plate eventually undergoes partial melting.
  18. The tectonic plate that Africa is on
  19. A branch of the earth sciences that combines aspects of geology and physics. It addresses the planet's physical processes as well as its gravitational, magnetic, and electric properties, and the means by which energy is transmitted through its interior.
  20. A term describing a phenomenon whereby certain materials are subject to a form of decay brought about by the emission of high-energy particles or radiation.
  21. Trench, A deep depression in the ocean floor caused by the convergence of plates and the resulting subduction of one plate.
  22. A linear zone where the Earth's crust and lithosphere are being pulled apart.
Down
  1. A form of stress produced by a force that acts to stretch a material.
  2. Upheavals or depressions of land exhibiting long wavelengths and little folding apart from broad undulations
  3. An abbreviation used by earth scientists, meaning "million years."
  4. A mountain or hill having a crater or vent through which lava, rock fragments, hot vapour, and gas are being or have been erupted from the earth's crust
  5. The tectonic plate that India and Australia are on
  6. American, The tectonic plate that North America is on
  7. The tectonic plate that Antarctica is on
  8. A weak point in the Earth's crust and upper mantle where the rock layers have ruptured and slipped. They are caused by earthquakes, and earthquakes are likely to reoccur on pre-existing faults.
  9. A large natural elevation of the earth's surface rising abruptly from the surrounding level; a large steep hill.
  10. motion, A tectonic process whereby plates slide past each other. It is one of the three ways, along with convergence and divergence, that plates interact.
  11. An area of rock that has been bent by stress.
  12. Geology, The study of Earth's physical history. Historical geology is one of two principal branches of geology, the other being physical geology.
  13. The tectonic plate that contains Europe and Asia
  14. Spreading, A process of plate tectonics where new oceanic crust is created as large slabs of the Earth's crust split apart from each other and magma wells up to fill the gap.
  15. Large movable segments of the lithosphere.
  16. drift, The theory that the configuration of Earth's continents was once different than it is today; that some of the individual landmasses of today once were joined in other continental forms; and that these landmasses later separated and moved to their present locations.
  17. Plate Boundary, The border between two plates
  18. tectonics, The theory that the Earth's crust and upper mantle (the lithosphere) is broken into a number of more or less rigid, but constantly moving, segments or plates

40 Clues: The planet on which we liveThe deformation of the lithosphere.The tectonic plate that Africa is onThe tectonic plate that Antarctica is onThe tectonic plate containing mostly oceanLarge movable segments of the lithosphere.An area of rock that has been bent by stress.Plate Boundary, The border between two plates...

Science 2024-04-09

Science crossword puzzle
Across
  1. When plate tectonics go underneath each other
  2. A formation of a transform boundary
  3. When two plates break apart
  4. Convection currents in the molten rock
Down
  1. When two plates hit each other
  2. When plate tectonics shake.
  3. A formation of convergent boundaries
  4. When two plates pass each other
  5. It is formation of divergent

9 Clues: When plate tectonics shake.When two plates break apartIt is formation of divergentWhen two plates hit each otherWhen two plates pass each otherA formation of a transform boundaryA formation of convergent boundariesConvection currents in the molten rockWhen plate tectonics go underneath each other

Tectonic Plates 2019-10-14

Tectonic Plates crossword puzzle
Across
  1. Crust that is under the ocean.
  2. Valleys that are formed by Divergent boundarys.
  3. Crust above water.
  4. A rupture in Earths crust that alows magma to flow through it.
  5. Tectonic plates that are moving away from each other.
  6. When new oceanic crust is formed becuse magma from the mantle hardens and becomes new rock.
  7. A trasform fault in California.
  8. Where one Tectonic plate slides under another one and goes to the mantle.
  9. Tectonic plates that are sliding past each other.
  10. A therory in which the earth is divided among several plates that float on the mantle.
Down
  1. Earths crust and upper mantle.
  2. The "plates" that earths crust is made of.
  3. Tectonic plates that move towards each other.
  4. A underwater mountain range formed by plate tectonics.
  5. The gradual movement of the continents across the Earth's surface.
  6. Sudden shaking of the earth's crustdue to transform boundarys.
  7. A mid-ocean ridge in the middle of the Alantic Ocean.
  8. Currents in the Earth's mantle that move the Tectonic Plates.
  9. A supercontinent that exsisted when all plates where one.
  10. The man who came up with the theroy of Plate Tectonics.

20 Clues: Crust above water.Earths crust and upper mantle.Crust that is under the ocean.A trasform fault in California.The "plates" that earths crust is made of.Tectonic plates that move towards each other.Valleys that are formed by Divergent boundarys.Tectonic plates that are sliding past each other.A mid-ocean ridge in the middle of the Alantic Ocean....

Science Board Block Three 2016-10-20

Science Board Block Three crossword puzzle
Across
  1. the study of the earth
  2. when two plates slide against each other
  3. the thickest layer of the earth
  4. on top of the asthenosphere
  5. formed by convergent boundaries
  6. Part of the upper mantle
  7. Caused by divergent plate boundaries
  8. where molten material rises at the mid-ocean ridge and pushes out the old rock
  9. Causes the movement of tectonic plates
  10. when two plates pull apart
  11. between the mantle and the inner core
  12. The thinnest layer of the earth
Down
  1. the first supercontinent
  2. scientist who theorized plate tectonics
  3. the theory of earth’s plates moving
  4. an underwater valley
  5. where one plate (more dense) dives under another plate
  6. When two plates push together
  7. Caused by transform boundaries
  8. the only solid layer of the earth

20 Clues: an underwater valleythe study of the earththe first supercontinentPart of the upper mantlewhen two plates pull aparton top of the asthenosphereWhen two plates push togetherCaused by transform boundariesthe thickest layer of the earthformed by convergent boundariesThe thinnest layer of the earththe only solid layer of the earth...

vocabulary Definitions Science 8 2022-09-13

vocabulary Definitions Science 8 crossword puzzle
Across
  1. a break in a body or rock along which one block moves
  2. a system of ideas that explains many related observations and is supported by a large body of evidence
  3. The location within earth along a fault
  4. tectonics Tectonics The theory that Earths outer layer is made up of large, moving pieces called tectonics plates
  5. rebound the sudden return of elastically deformed rock to its unformed shape
  6. thin and solid outermost layer of Earth
  7. A movement of trembling of the ground that is caused by a sudden release of energy
  8. The layer of rock between the Earths
  9. boundary the boundary between two technotic plates that are colliding
  10. boundary The boundary between tectonic plates that are sliding horizontally
  11. current any movement of matter that results from differences in density
  12. The process in which one lithosphere plate moves beneath each other
  13. The strong, lower part of the mantle between the asthenosphere and the outer core
Down
  1. the bending, tilting, and breaking of Earths crust
  2. The solid outer layer of Earth that consist of the crust
  3. floor spreading the process by which new oceanic lithosphere forms when magma rises to earths surface
  4. reversal Earths magnetic north pole and magnetic south pole switch positions
  5. plate boundary the edge between two or more plates classified as divergent
  6. and core The central part of Earth below the mantle
  7. plate a block of lithosphere that consist of the crust and the rigid, outermost part of the mantle
  8. boundary the boundary between two technotic plates that are moving away from each other
  9. the point on earth's surface directly above an earthquakes starting point
  10. the soft layer of the mantle

23 Clues: the soft layer of the mantleThe layer of rock between the EarthsThe location within earth along a faultthin and solid outermost layer of Earththe bending, tilting, and breaking of Earths crusta break in a body or rock along which one block movesThe solid outer layer of Earth that consist of the crust...

Plate Tectonics and Continental Drift 2014-02-11

Plate Tectonics and Continental Drift crossword puzzle
Across
  1. Molten center of the Earth
  2. The scientist who proposed the theory of continental drift
  3. Outermost layer of the Earth
  4. Forms from a continental-continental convergent plate boundary
  5. One piece of evidence for plate tectonics
  6. Forms at a divergent plate boundary
  7. The study of the Earth and Earth's processes
  8. Refers to the direction of rock formations found on the ocean floor
  9. One piece of evidence for continental drift
  10. Middle layer of the Earth
Down
  1. One piece of evidence for continental drift
  2. Type of plate boundary that exists where 2 plates colide
  3. Type of plate boundary that exists where 2 plates move apart
  4. Current theory for the movement of continents
  5. Occurs at a transform plate boundary
  6. The name given to the single "super continent" that all of today's continents came from
  7. Type of plate boundary that exists where 2 plates slide past each other
  8. One piece of evidence for continental drift
  9. May form at an oceanic-continental convergent plate boundary
  10. May result from a severe earthquake at an oceanic-continental plate boundary

20 Clues: Middle layer of the EarthMolten center of the EarthOutermost layer of the EarthForms at a divergent plate boundaryOccurs at a transform plate boundaryOne piece of evidence for plate tectonicsOne piece of evidence for continental driftOne piece of evidence for continental driftOne piece of evidence for continental drift...

Plate Tectonics Revision 2022-11-30

Plate Tectonics Revision crossword puzzle
Across
  1. another word for a divergent plate margin
  2. Era of the oldest rocks in Europe
  3. the theory that preceded plate tectonics
  4. another word for the Hercynian mountain building
  5. mountain building
  6. upland made at a collision zone
  7. moulten rock that is extruded through a volcano
Down
  1. another word for destructive plate margin
  2. ____ fault or conservative plate boundary
  3. the expansion of the sea floor along a plate boundary
  4. The remains of this form the Mediterranean
  5. large area of oldest rocks in Europe
  6. plate boundary where there are earthquakes but not volcanoes

13 Clues: mountain buildingupland made at a collision zoneEra of the oldest rocks in Europelarge area of oldest rocks in Europethe theory that preceded plate tectonicsanother word for destructive plate margin____ fault or conservative plate boundaryanother word for a divergent plate marginThe remains of this form the Mediterranean...

Plate Tectonics Crossword 2022-02-07

Plate Tectonics Crossword crossword puzzle
Across
  1. the solid outer part of Earth that includes the crust and upper mantle.
  2. process by which heat is transferred by movement of a heated fluid such as air or water.
  3. a sudden violent shaking of the ground.
  4. the outermost layer of Earth.
  5. melted rock on Earth's surface.
Down
  1. the action or process in plate teconics of the edge of one crustal plate descending below the edge of another.
  2. cause to break through faulting caused by plate tectonics.
  3. the branch of geology studying the folding and faulting of the earth's crust.
  4. the border between two tectonic plates.
  5. plate a rigid layer of the Earth's crust that is believed to drift slowly.
  6. melted rock beneath Earth's surface.

11 Clues: the outermost layer of Earth.melted rock on Earth's surface.melted rock beneath Earth's surface.the border between two tectonic plates.a sudden violent shaking of the ground.cause to break through faulting caused by plate tectonics.the solid outer part of Earth that includes the crust and upper mantle....

Geological Hazards 2025-11-13

Geological Hazards crossword puzzle
Across
  1. – Instrument used to measure ground motion.
  2. – Point on the surface directly above an earthquake focus.
  3. – Relating to earthquakes.
  4. – A natural process that could cause harm.
  5. – Rock formed by cooled magma or lava.
  6. – Process where one plate sinks beneath another
  7. – Plastic-like layer plates float on.
  8. – Layer of hot semi-solid rock beneath the crust.
  9. – Release of magma and gas from a volcano.
Down
  1. – Volcanic area away from plate boundaries.
  2. – Study of plate interactions.
  3. – Molten rock on the surface.
  4. – Ocean wave generated by undersea earthquakes or eruptions.
  5. – Type of process involving plate movement.
  6. – Force influencing melting inside the mantle.
  7. – Line of longitude used in mapping.
  8. – Older scale used to measure earthquake magnitude.
  9. – Innermost layer of the Earth.
  10. – Molten rock beneath Earth’s surface.
  11. – A fracture in rock where movement occurs.
  12. – Rigid sections of the Earth’s crust. (1 Across)

21 Clues: – Relating to earthquakes.– Molten rock on the surface.– Study of plate interactions.– Innermost layer of the Earth.– Line of longitude used in mapping.– Plastic-like layer plates float on.– Molten rock beneath Earth’s surface.– Rock formed by cooled magma or lava.– A natural process that could cause harm.– Release of magma and gas from a volcano....

Plate Tectonic Project 2025-09-24

Plate Tectonic Project crossword puzzle
Across
  1. The next level of Earth's interior after the crust
  2. Where the plate tectonics come together to form 1 big continent
  3. The layer that you live on
  4. A German meteorologist that proposed the hypothesis of Continental Drift
  5. Magnet shooting from rocks
  6. What the plates "float on"
  7. Below the Crust, much hotter, and has the ability to flow
  8. It is usually a fault or an intrusion
  9. Tectonic Plates moving under water
Down
  1. The biggest mountain range under water
  2. Tectonic Plates horizontally moving past each other
  3. The solid,outer layer of Earth that consists of the crust and the rigid upper part of the mantle
  4. The movement of Earth's plates throughout time
  5. Tectonic Plates moving away from each other
  6. Comes from the Lithosphere, what the project was named after
  7. Each layer is older than the layer above it
  8. The next level of Earth's interior after the outer core
  9. Tectonic Plates colliding with each other
  10. Study of Earth's magnetic field
  11. Breaking apart caused by Plate Tectonics

20 Clues: The layer that you live onMagnet shooting from rocksWhat the plates "float on"Study of Earth's magnetic fieldTectonic Plates moving under waterIt is usually a fault or an intrusionThe biggest mountain range under waterBreaking apart caused by Plate TectonicsTectonic Plates colliding with each otherTectonic Plates moving away from each other...