science ch1 section1 Flashcards
(10 cards)
0
Q
Pressure
A
The force exerted on a surface divided by the area over which the force is exerted
1
Q
Seismic waves
A
Vibrations that travel through earth carrying energy released during earthquakes
2
Q
Crust
A
The layer of rock that forms earth’s outer surface
3
Q
Basalt
A
A dark dense igneous rock with fine texture
4
Q
Granite
A
A usually light colored igneous rock that is found in the continental crust
5
Q
Mantle
A
The layer of hot, solid material between earth’s crust and core
6
Q
Lithosphere
A
A rigid layer made up of the uppermost part of the mantle, and the crust
7
Q
Asthenosphere
A
The soft layer of the mantle on which the lithosphere floats
8
Q
Outercore
A
A layer of molten iron and nickel
9
Q
Inner core
A
A dense sphere of solid iron and nickel at the center of the earth
