plate tectonics
The large supercontinent named by Wegener
What is Pangaea?
This mountain range was not a result of continental-continental convergence
What is Andes?
What can volcanic eruptions not cause out of these:
toxic gases released,
new islands formed by cooling lava over time,
lahar, or
subductions of ocean plates
What is subduction of ocean plates?
The center of the Earth
What is the core?
What triggers earthquakes?
a.elastic rebound of rocks along a fault
b. release of heat
c. richter scale
d. frictional heating of rocks
What is A?
The fit of there two continents coastlines suggest that they drifted overtime
What is South America and Africa?
type of plate boundary where two plates move together and one subducts
What is oceanic-continental convergent?
Most active volcanoes happen at ________ boundaries
What is plate?
The thinnest layer of the Earth?
What is the crust?
The primary cause of earthquake activity in California
What is plates grinding along fault lines?
Most of Earth's earthquakes, volcanoes, and mountains occur at
What is plate boundaries?
This type of boundary is where plates move apart making new seafloor
What is oceanic divergent?
Molten rock that has erupted onto the Earth's surface
What is lava?
The layer of the Earth that is below the floating plates and starts with an A(hint hint)
What is the Asthenosphere?
A fracture in the earth where movement happens
What is a fault?
This moves beneath tectonic plates causing them to move
What is convection currents?
Mountain systems such as Himalayas are the result of what type of plate boundary
What is Continental-Continental Convergence?
molten rock beneath the earth's surface
What is magma?
What is three?
The source of the earthquake where energy radiates in all directions
What is the focus?
When one plate goes under another
What is subduction?
The area of the Pacific Ocean where frequent earthquakes and volcanoes occur
What is the Ring of Fire?
The largest volcano in the world is found here (can you name volcano also)
What is Hawaii named Mauna Loa
Earthquake prone areas have done this to buildings to reduce potential damage
What is buildings that can move some?
Smaller earthquakes after the main shock
What are aftershocks?