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Physical Science

Chpt 6 vocab for Final

TermDefinition
Mass Energy the largest potential source of energy in the world
Mechanical Energy energy of an object due to its physical position
Chemical Energy potential energy stored in chemical bonds
Electrical Energy field forces acting on other electrical charges that can do work
Magnetic Energy the ability to do work through the influence of a magnetic field
Thermal Energy the sum of kinetic energies of all the particles in an object
Nuclear Energy released when protons and neutrons in nuclei are separated or combined
Acoustic Energy transmission of energy through matter by the periodic motion of particles
Radiant Energy energy that can be transmitted through a vacuum
Efficiency measure of the effectiveness of a machine converting forms of energy
Work Energy is the ability to do this
Momentum stays the same though all collisions
Newtons units of force
Joules units of energy
Kinetic Energy energy in motion
Potential Energy stored energy
Law of Thermodynamics energy entering=energy out
Gravitational Potential Energy potential energy of a system due to its weight and height above zero reference height
Elastic Potential Energy potential energy of a system due to an elastic force acting on it and its distance from a zero reference postition
Elastic Collision keeps the same amount of kinetic energy beginning to end
Partially Elastic Collision decrease in kinetic energy and objects are temporarily or permanently deformed
Inelastic Collision decrease in kinetic energy and objects stick together
Flow of Energy Energy changing forms
Energy of a Pendulum highest point has max. potential energy; rest position has max. kinetic energy
Created by: Giraffe Girl