Flash Cards 6.1
1
Q
crust
A
the outermost shell of a terrestrial planet.
2
Q
lithosphere
A
the rigid, outermost layer of the Earth’s rocks and minerals, which consists of the crust and upper mantle.
3
Q
Seismic waves
A
a mechanical wave of acoustic energy that travels through the Earth or another planetary body.
4
Q
mantle
A
the mostly solid bulk of Earth’s interior.
5
Q
mesosphere
A
the highest layer of the atmosphere in which the gases are all mixed up rather than being layered by their mass.
6
Q
asthenosphere
A
a portion of the Earth’s mantle that flows like molten plastic despite being solid.
7
Q
core
A
The central or innermost portion of the Earth, lying below the mantle and probably consisting of iron and nickel.
8
Q
outer core
A
the liquid layer of the Earth’s core
9
Q
inner core
A
The innermost part of Earth
