Plate Tectonics
Which area on the terrain would show an area with a convergent plate boundary? A, B, C, or D
A
Number one?
African plate
Which scientist is credited for first proposing Plate Tectonics Theory? Albert Einstein Alfred Wegener Abraham Ortelius Harry Hess
Alfred Wegener
Number 4?
Antarctic plate
Which area on the terrain above would show an area with a divergent plate boundary? A, B, C, or D
D
Number two?
Eurasian plate
The __________ __________ __________ is an example of a rift where land between two continents are being pulled apart.
Great Rift Valley
The __________ mountain range was formed from the collision of the Indian plate colliding into the Eurasian plate.
Himalayan
Where would the ocean floor be the oldest? I, II, III, or IV
I
Where would the youngest ocean floor be found? I, II, III, or IV
IV
Number three?
Indo-Australian plate
The __________-__________ __________ is an example of a divergent boundary.
Mid-Atlantic Ridge
Number 10?
Nazca plate
Number seven?
North American plate
__________ can be created or grow wider where plates diverge or pull apart.
Oceans
Number six?
Pacific plate
An area where volcanoes are concentrated on the edges of continents, along island chains or beneath the sea forming long mountain ranges. More than half of the world's active volcanoes above sea level encircle the Pacific Ocean.
Ring of fire
Which two continents did Alfred Wegener think looked like they fit together like puzzle pieces? North America and South America Europe and Africa North America and Europe South America and Africa
South America and Africa
Number eleven?
South American plate
Alfred Wegener noted that fossils from a particular type of reptile were found on both sides of the Atlantic Ocean. Which of the following would be the BEST explanation of how this occurred? They swam across the ocean. The Atlantic Ocean did not exist in earlier times. They walked across a giant land bridge that has weathered away. They walked across an ice bridge located near the equator.
The Atlantic Ocean did not exist in earlier times.
Long, continuous volcanic chain of various mountains along an oceanic ridge.
Underwater mountain ranges
Look at the picture "Plate Tectonic Features". What is number eight?
asthenosphere
Scientists believe that convection currents in the __________ is responsible for the movement of the plates that form the Earth's crust. asthenosphere lithosphere inner core outer core
asthenosphere
The upper mantle?
asthenosphere
What is number six?
asthenosphere
Large convection currents in the ____________________ transfer heat to the surface, where plumes of less dense magma break apart the plates at the spreading centers, creating divergent plate boundaries.
asthensophere
What type of rock makes up oceanic crust?
basalt
Which type of rock is denser, basalt or granite?
basalt
What is number 2?
continental crust
What do you call the process of hot rock rising, cooling, and then sinking?
convection
Large __________ __________ in the asthenosphere transfer heat to the surface, where plumes of less dense magma break apart the plates at the spreading centers, creating divergent plate boundaries.
convection currents
Movements within Earth's mantle that causes tectonic plates to collide, separate, or slide past each other are called __________ __________.
convection currents
A __________ boundary occurs when two tectonic plates collide into each other.
convergent
Look at the picture "Plate Tectonic Features". What is number four?
convergent
Look at the picture "Plate Tectonic Features". What is number one?
convergent
Areas where plates move toward each other and collide, causing uplift.
convergent plate boundaries
The Ring of Fire has formed a volcanic island chain in the Pacific Ocean. What has caused this to happen? convergent plate boundary divergent plate boundary transform plate boundary mantle hot spot
convergent plate boundary
Generates Earth's heat?
core
At a transform boundary (fault) land is neither __________ or __________, only moved.
created, destroyed
What is number eight?
crust
When plates collide the plate that is __________ will subduct (go beneath the other).
denser
At a __________ plate boundary new crust is created as two or more plates pull away from each other.
divergent
Look at the picture "Plate Tectonic Features". What is number three?
divergent
Areas where plates move away from each other, forming either mid oceanic ridges or rift valleys.
divergent plate boundaries
Divergent boundaries can cause shallow __________.
earthquakes
Transform boundaries (faults) cause __________.
earthquakes
There are __________ major tectonic plates. Hint: count the big plates!
eight
In order for an idea to become a theory you have to have __________.
evidence
A __________ is a deep vertical fracture that extends down through the llithosphere.
fault
Earthquakes often occur at __________ lines.
fault
When tectonic plates slide past each other a __________ is formed.
fault
How many more specific layers make up the Earth?
five
What type of evidence was used to prove Alfred Wegener's theory of continental drift?
fossil evidence
How many basic layers make up the Earth?
four
What do you get when you cross a snowman with a vampire?
frostbite
What type of rock makes up continental crust?
granite
Causes convection currents in the mantle?
heat generated by the Earth's core
What is number five?
inner core
List the layers of the Earth in order from inside to outside.
inner core, outer core, mesosphere, asthenosphere, lithosphere
Magma is called __________ once it spills out onto the Earth's surface.
lava
Look at the picture "Plate Tectonic Features". What is number six?
lithosphere
The crust and upper most part of the mantle?
lithosphere
What is number four?
lithosphere
Look at the picture "Plate Tectonic Features". What is number seven?
magma
Molten rock inside the Earth?
magma
What is number three?
mantle
The lower mantle?
mesosphere
Which of these landforms would MOST likely be found at a divergent boundary? fault line mid-ocean ridge volcanic island mountain
mid-ocean ridge
Convergent boundaries can form underwater __________ ranges.
mountain
Which of these landforms is MOST likely to be found at a convergent boundary? fault line mid-oceanic ridge mountain rift valley
mountain
A series of mountains that are close together and rise 300m (1,000ft) above its surrounding area.
mountain range
When two continental plates collide large __________ will usually form.
mountains
Look at the picture "Plate Tectonic Features". What is number ten?
oceanic
On our planet oceanic plates collide with other __________ plates.
oceanic
Which type of crust is denser, oceanic or continental?
oceanic
Look at the picture "Plate Tectonic Features". What is number five?
oceanic crust
What is number seven?
oceanic crust
Underwater mountain ranges where the crust is spreading apart creating new ocean floor.
oceanic ridges
A collision between an oceanic plate and a continental plate pushes the __________ plate into and under the __________ plate.
oceanic, continental
What is number one?
outer core
When a divergent boundary occurs on land a __________, or separation, will arise and over time, that mass of land will break between them.
rift
A large valley shaped area of the Earth in which plates of the Earth's crust are moving away from each other, forming a system of cracks and faults.
rift valley
Divergent boundaries can create new __________.
seafloor
What does a snowman eat for breakfast?
snowflakes
When oceanic plates collide, one of those plates will __________ (go beneath the other).
subduct
When a collision between an oceanic plate and a continental plate pushes the oceanic plate into and under the continental plate __________ takes place.
subduction
A __________ __________ is a convergent boundary where an oceanic plate is pushed beneath a continental plate forming a trench. The oceanic crust melts resulting in the formation of volcanoes.
subduction zone
Look at the picture "Plate Tectonic Features". What is number nine?
subduction zone
What does this picture show?
tectonic plates
What do elves learn in school?
the "elf-abet"
A __________ boundary occurs when two tectonic plates slide past each other.
transform
Look at the picture "Plate Tectonic Features". What is number two?
transform
The San Andreas Fault in California is a __________ plate boundary.
transform
Areas where two plates grind past each other resulting in faults such as the San Andreas Fault. Earthquakes often occur at fault lines.
transform plate boundaries
A deep depression of the sea floor caused by the subduction of one plate under another.
trench
When oceanic plates collide with continental plates a __________ will form between the two plates.
trench
How many types of crust does the lithosphere have?
two
When oceanic crust melts it can result in the formation of a __________.
volcano
The MOST recently formed crust of the Earth would be found... where plates moving sideways passed each other where one plate is going under another plate where two plates are pushing directly toward each other where two plates are moving away from each other in opposite directions
where two plates are moving away from each other in opposite directions
Divergent boundaries cause oceans to grow __________.
wider
