Shared Flashcard Set

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Energy
N/A
25
Science
8th Grade
12/13/2008

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Cards

Term
Kinetic energy
Definition
energy that an object has due to its motion mass X velocity2/2
Term
Potential energy
Definition
energy that is stored and held in readiness weight X height
Term
Energy
Definition
the ability to do work or cause change
Term
Work
Definition
force excerpted on and object that causes it to move force X distance
Term
Chemical energy
Definition
the potential energy stored in chemical bonds
Term
Mechanical energy
Definition
kinetic or potential energy associated with the motion or position off an obbject
Term
Thermal energy
Definition
the total energy of the particles in a substance or material
Term
Nuclear energy
Definition
the potential energy stored in the nucleus of an atom
Term
Electromagnetic energy
Definition
the energy of light and other forms of radiation
Term
Electric energy
Definition
the energy of moving electric charges
Term
Joules
Definition
a unit of work equal to one newton-meter
Term
Newtons
Definition
a unit of measure that equals the force required to accelerate one kilogram off mass at one meter per second
Term
Law of conservation of energy
Definition
the rule that energy cannot be created or destroyed
Term
Velocity
Definition
speed in a given direction
Term
Force
Definition
a push or pull excerpted on an object mass X acceleration
Term
Weight
Definition
the force of gravity on an object
Term
Mass
Definition
the amount of matter in an object
Term
Motion
Definition
the state in which one object's distance from another is changing
Term
Power
Definition
the rate at which work is done work/time
Term
Watt
Definition
when work is measured in joules and time in seconds, the unit of power is joule per second or watt.
Term
Fusion
Definition
occurs when nuclei fuse or join together
Term
Fission
Definition
occurs when the nucleus splits
Term
Gravitational potential energy
Definition
potential energy that depends on the height of an object
Term
Inertia
Definition
the tendency of an object to resist any change in its motion
Term
Energy conversion
Definition
the process of changing one form off energy into another
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