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Chapter 4 DC
Chapter 4 DC
15
Science
8th Grade
10/09/2012

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Cards

Term
seismic Wave
Definition
A VIBRATION THAT TRAVELS THROUGH EARTH CARRYING THE ENERGY RELEASED DURING AN EARTHQUAKE.
Term
pressure
Definition
the force pushing on a surface or area.
Term
crust
Definition
the layer of rock that forms Earth's outer surface.
Term
Mantle
Definition
layer of HOT Solid material located between the Earth's crust and core.
Term
asthenosphere
Definition
The soft layer of the mantle on which the lithosphere floats.
Term
lithosphere
Definition
this rigid layer is the upper part of the mantle and the crust
Term
Outer Core
Definition
layer of molten iron and nickel(metal) that surrounds the inner core – thick liquid
Term
Inner Core
Definition
dense ball of solid iron and nickel(metal) – not a liquid.
Term
Core
Definition
Earth's dense center, made up of the solid inner layer and the molten outer layer.
Term
Heat transfer
Definition
The movement of energy from a warmer object to a cooler object.
Term
radiation
Definition
transfer of energy through empty space.
Term
conduction
Definition
heat transfer by direct contact of particles of matter.
Term
convection
Definition
the transfer of heat by movements of a fluid.
Term
density
Definition
the measure of how much mass there is in a volume of a substance.
Term
convection current
Definition
the flow that transfers heat within a fluid.
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