science terms 2 Flashcards
(19 cards)
latitude
goes NORTH to SOUTH; No-Se; y-axis
prime meridian
divides Earth on Y-AXIS; 0°
lithospheric plate
giant, hard, thin layer of crust + upper mantle; moves side to side
longitude
goes EAST to WEST; No Se; x-axis
What distance does longitude measure
East -> West
Where does the prime meridian divide?
0° on the Y-AXIS
plate tectonics
explains how the lithosphere separates into other plates
volcano
a vent in the surface that erupts magma, ash, & gases
magma
hot, liquid rock material
mid-ocean ridge
a mountain range in the ocean
hot spot
a source of magma/lava
rift valley
an area where the crust splits
seismic wave
waves that move through the crust during an earthquake
What’s seismic?
related to earthquakes
oceanic crust
part of crust that makes up ocean floor
epicenter
above the focus
inner core
solid sphere made of iron & nickel; very core of earth
outer core
outer layer of inner core made of liquid metal
