science terms Flashcards
(14 cards)
1
Q
lithospheric plate
A
a giant, hard, and thin layer of crust + upper mantle; moves side to side
2
Q
lithosphere
A
the crust + upper mantle
3
Q
volcano
A
a vent in the surface that erupts magma, ash, & gases
4
Q
plate tectonics
A
the lithosphere broken up into several areas
5
Q
magma
A
hot, liquefied rock material in the CRUST
6
Q
lava
A
rock material ERUPTED from the crust
7
Q
what’s the difference between magma and lava?
A
magma is INSIDE the crust and lava is OUTSIDE
8
Q
mid-ocean ridge
A
a mountain range extending inside the ocean
9
Q
hot spot
A
a source of magma/lava
10
Q
rift valley
A
an area where the crust splits
11
Q
earthquake
A
a sudden motion of Earth
12
Q
seismic wave
A
waves that move through the crust during an earthquake
13
Q
focus (plural: foci)
A
where an earthquake originates
14
Q
epicenter
A
located directly above the focus/i
