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Particles in Motion

QuestionAnswer
random motion movement in all directions and at different speeds.
diffusion the movement of substances from an area of higher concentration to an area of lower concentration.
kinetic energy energy due to motion.
thermodynamics the study of heat.
thermal expansion an increase in a material’s volume when the temperature is increased.
thermal contraction a decrease in a material’s volume when the temperature is decreased.
temperature the measure of the average kinetic energy of the particles in a material.
condensation the process by which a gas changes to a liquid.
vaporization the change in state from a liquid to a gas.
potential energy stored energy due to the interactions between objects or particles.
thermal energy the result of the motion of all the particles, and the distance and attractions between those particles in the system.
Created by: jhenze
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