Seismic Waves
What type of waves can travel through both solids and liquids?
P-Waves
How does convection work?
Hot material rises while cool material sinks.
What was the main continent before the drift?
Pangea.
What type of waves are called transverse waves?
S-Waves
How many layers is the Earth made up of?
7 layers
What is a divergent boundary?
a place where two tectonic plates move apart.
What causes earthquakes?
A release of energy like magma flow from a volcano or slippage along a geological fault
What does ductile mean in reference to the mantle?
That the mantle can be easily stretched moved around.
Who first proposed the idea of continental drift?
Alfred Wegener.
What is the focus?
The point where an earthquake's energy is released.
What is the outer core composed of?
Iron and Nickel.
What do continental-continental convergent boundaries create?
Mountain ranges.
What is the epicenter?
the location on the Earth's surface directly above the focus.
What is conduction?
It is the transfer of thermal energy through direct contact.
What is a subduction zone?
when a oceanic plate is forced underneath the mantle by a second plate.