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Test Vocab
Chapter 25,28,5
22
Science
9th Grade
12/04/2011

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Term
Mid-Ocean Ridge
Definition
A mountrain ranges on the seeafloor separated by valleys
Term
Rift Valley
Definition
A long and narrow depression that forms in between peaks alongs the Mide-Ocean Ridge
Term
Convergent Plate Boundary
Definition
The boundary where two plates collide
Term
Subduction
Definition
The process when the denser plate dives beneath the continet in a process
Term
Divergent Plate Boundary
Definition
The boundary between two plates that are moving apart
Term
Transform Plate Boundary
Definition
The boundary where plates slide horizontally past each other in opposite directions
Term
Troposphere
Definition
This is where the weather takes place
Term
Temperature Inversion
Definition
This is when air temperature increases with altitude and the air becomes stable
Term
Greenhouse Effect
Definition
The natural process when certain gases in the atmosphere warm a planet as they absorb and emit infrared radiation
Term
Temperature
Definition
This is the measure of the average kinetic energy of the particles that make up the object
Term
Thermal Energy
Definition
This is the sum of the kinetic energy and the potential energy of all of the particles that make up that object
Term
Heat
Definition
The energy that is transferred between objects due to a temperature difference between those objects
Term
Specific Heat
Definition
This is the amount of heat needed to raise the temperature of 1 kg of that material by 1 degress
Term
Conduction
Definition
The transfer of thermal energy by collisions between the particles that make up matter
Term
Convection
Definition
The transfer of thermal eneergy in a fluid by the movements of warmer and cooler fluid
Term
Radiation
Definition
The transfer of energy by electromagnetic waves such as light and microwaves.
Term
Thermal Insulator
Definition
The material in which thermal energy moves slowly
Term
Earthquake
Definition
The sudden movement or vibration of the ground that occurs when rocks slip and slide along enormous cracks in Earth's crust called Faults
Term
Fault
Definition
A crack in Earth's crust along which rocks move
Term
Epicenter
Definition
The point on Earth's surface directly above the focus
Term
Air Mass
Definition
A large volume of air with uniform moisture and temperature
Term
Weather Fronts
Definition
The zones air masses act in
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