Geology & Stuff I
How are igneous rocks formed?
What is from the cooling and solidification of lava?
The physical location of the youngest layer of Earth...
What is the top layer?
These cause a rift valley to form.
What are diverging plates/boundaries?
The direct transfer of heat from one substance to another (through contact).
What is conduction?
This is the type of boundary that creates new ocean floor.
What is a divergent boundary?
This is how metamorphic rocks are formed (two factors).
What is through heat and pressure?
This is the name for a fracture in the earth.
What is a fault?
This is where most volcanoes are found.
What is at a plate boundary or the Ring of Fire?
This is the volcanic hazard that travels the farthest.
What is ash?
This is thought to provide the energy that moves tectonic plates.
What is convection currents within the mantle?
*** DAILY DOUBLE!!! *** This type of sedimentary rock forms from broken pieces of rocks compacted or cemented together.
What is clastic sedimentary?
The holes in rocks describe its ____________, while the interconnected holes describe its ___________.
What are porosity and permeability?
Magma that does not flow well has a high level of _________.
What is viscosity (or silica)?
Isobars close together indicate...
What is a rapid change in barometric pressure?
This is why most of the mountain ranges on the planet form.
What is because of converging/colliding plates?
An artesian well forms from this type of aquifer.
What is confined?
This is the direction North America is moving.
What is west?
The particles of rock, lava, ash & other volcanic fragments blown from the vent of a volcano.
What is pyroclastic material?
The path of Earth's orbit is _________ in shape.
What is elliptical?
This is the type of seismic wave that moves fastest through the Earth.
What is a primary wave?
On the inside of a meander bend the velocity of the water is _____.
What is slower?
What two factors cause sedimentary rocks to form?
What are compaction and cementation?
Slope and the amount of silica in lava affect this.
What is the rate of lava flow?
Transfer of heat energy through empty space.
What is Radiation?
This type of seismic wave cannot travel through the liquid parts of the earth.
What is a secondary wave?