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Particles and KE

This quiz is about particles and kinetic energy

QuestionAnswer
What is a particle? The smallest piece of any substance.
What is between gas particles? Nothing
What happens to gas particles as they are compressed? They get closer together and bounce off (hit)each other and the walls of their container more.
What happens to the volume of air as it is compressed? It decreases.
Describe the motion of gas particles. Constantly moving and bouncing off each other and the walls of their container.
What is kinetic energy? Energy of motion.
What happens to the kinetic energy of water particles as they are heated? The kinetic energy increases-the particles speed up, hit each other more often and push apart causing an increase in volume.
What happens to the kinetic energy of solid particles as they are cooled? The kinetic energy decreases-the particles slow down and pack closer together causing a decrease in volume.
What is the difference between compression and contraction? When you compress a substance, you push the particles into a smaller space by force. When a substance contracts, the kinetic energy decreases and particles move closer together.
Created by: prattdianna
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