Divergent Boundaries
what is a divergent boundary?
where two plates move apart or diverge
what is a convergent boundary?
where two plates come together, causing a collision where one plate is subducted
black coral
where two plates meet
What is an earthquake ?
a sudden shaking of earths surface
what happens at divergent plate boundaries?
rock rises from the mantle then hardens which adds new solid rock to the edges of both plates
what is subduction?
when one plate slides under another
This state has the highest amount of endangered species
Hawaii
What is land like underneath earths surface?
no matter what is on top there will always be hard solid rock at the bottom
what happens when plates move ?
-earths surface slowly changes
-create and destroy ocean basins
-produce earthquakes and volcanoes
-form mountains and plateaus
This island has been dubbed the "valley isle"
Maui
what happens when two continental plates pull apart?
sea floor spreading
Mount Waialeale
what is the mantle made of?
soft solid layer of rock
What year did Hawaii become a state?
1959
This island has the largest DORMANT volcano in the world
Maui, Mount Haleakala
which process continually adds new crust ?
When the sea floor spreads apart and lava rises
Hawaii is made up of this many islands
132
what kind of plates do tectonic plates consist of?
oceanic and continental crust
What is earths outer layer made out of ?
hard solid rock
What geological feature is created by a Divergent Plate Boundary?
Rift Valleys / mid - ocean ridge
what geological feature can be created by a Convergent plate boundary?
mountain chain / sea floor trench
There is this many letters in the Hawaiian alphabet
12
what is pangea?
a super continent made of all the current continents together over 225 million years ago
how do tectonic plates interact?
they pull apart, slide past each other and collide