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4th 9 weeks science

studying for science exam

TermDefinition
energy the ability to cause change
kinetic energy energy caused by motion
potential energy stored energy due to the interactions between objects or particles
work the transfer of energy that occurs when a force is applied over a distance
mechanical energy the sum of the potential energy and kinetic energy in a system
sound energy energy carried by sound waves
thermal energy the sum of the kinetic energy and the potential energy of the particles that make up an object
electric energy energy carried by an electric current
radiant energy energy carried by an electromagnetic wave
nuclear energy energy stored in and released from the nucleus of an atom
chemical energy energy stored in the bonds of chemical compounds
Law of Conservation of Energy energy cannot be created or destroyed, only transformed from one form to another
Friction a contact force that resists the sliding motion of two surfaces that are touching
wave disturbance that transfers energy from one place to another without transferring matter
mechanical wave a wave that can only travel through a medium
electromagnetic wave a wave that can travel through empty space and matter (medium)
transverse wave a wave in which the disturbance is perpendicular to the direction the wave travels
crests highest points on a wave
trough lowest points on a wave
longitudinal wave a wave that makes particles in a medium move parallel to the direction that the wave travels
amplitude the maximum distance that the wave moves from its rest position
wavelength the distance from one point on a wave to the same point on the next wave
frequency the number of wavelengths that pass by a point each second
absorption the transfer of energy by a wave to the medium through which it travels
transmission the passage of light through an object
reflection the bouncing of a wave off a surface
Created by: haidyniscool
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