Show:
Lollipops
Unicorns
Midgets
Foods
Horse Pee
100
What is it when lithosphere is made of plates that ride on the asthenosphere?
Plate Tectonics
100
More pressure = ____ ?
Stronger eruptions
100
What is a(n) area of asthenosphere where magma is hotter and comes toward surface?
Mantle Plume
100
What is Smooth skinned lava called ?
Pahoehoe
100
What is a rough, jagged lava called?
Aa lava
200
A break in the Earth's crust, as plates move apart, magma from asthenosphere fills in the space. What is this?
Rift
200
What is it when plates move apart (creating Lithosphere)?
Divergent boundaries
200
When a plate is pulled down into asthenosphere by gravity and sinking magma?
Slab pull
200
A space underground that holds magma is called?
Magma chamber
200
What is Viscosity ?
Deals with how well the substance flows.
300
What is a(n) area where the denser plate subducts and is destroyed?
Subduction Zones
300
Between continental-continental plates, thicker crust creates and ____ instead of a ridge.
Rift Valley
300
As crust moves over a mantle plume, the magma rises up through the crush and produces what?
Hot spots
300
What is a wide, gently sloping volcano formed by more liquid lava flows?
Shield volcanoes
300
What is the Vent?
Opening at the end of the tube
400
When subducted plate melts and the magma comes up to the surface is forming what?
Volcanic Arc
400
what's it called when the sediment is taken from the ocean floor and the further from the rift the older the sediment is?
ocean drilling
400
when the fault lines can be seen by offset geological formations on each side is what ?
transform fault boundaries
400
When pressure on magma is reduced ____ can escape .
Gases
400
The tube through the volcano, usually from magma chamber to outside is called ?
pipe or conduit
500
Determining whether or not eruption is violent.
factors affecting eruptions
500
What is it when magma cools and the magnetic poles set up?
Paleomagnetism
500
What is it when a convection current(s) in the mantle move plates ?
Mechanisms of plate motion
500
When lava extends up higher than the original plate creates a ___ along the rift .
Ridge
500
Where is the tallest mountain located ? Hint: starting from ocean floor
The big island of Hawaii <3