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13 terms

Science-ch.5 4th grade

STUDY
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potential energy
the energy associated with position or the arrangement of parts
kinetic energy
the energy associated with motion
conservation of energy
a principle in science:energy can change form, but it cannot be created or destroyed
force
the push or pull of one object on another
work
a force applied to an object causing it to move
thermal energy
energy associated with the random motion of particles in matter
temperature
a measure of how much thermal energy is in matter
heat
a measure of the amount of thermal energy transferred between two objects having different temperatures
conduction
the transfer of thermal energy through solids
convection
the transfer of thermal energy through liquids or gases
radiation
the transfer of energy by waves
conductor
matter that promotes the transfer of thermal energy
insulator
matter that slows down the transfer of thermal energy