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Kinetic Theory P1

QuestionAnswer
Describe the state of matter in a solid.(2) •Strong forces of electrostatic attraction mean particles close together • Particles can only vibrate • Little energy
Describe the state of matter in a liquid.(3) • Particles slightly more disperse due to weaker attractive forces • Can flow • More energy than solids
Describe the state of matter in a gas.(3) • Particles move freely • More energy • No attractive forces
What happens to the particles in a substance when heated? They get more kinetic energy and move around more
Define conduction. The process by which heat energy is transferred by vibrating particles to neighbouring particles
What is an insulator? Substances where there are gaps in between particles, meaning heat energy cannot be transferred as quickly
Why do metals conduct well? Because they have free electrons that collide with each other and pass on energy quickly.
Created by: GuyBrazier
 

 



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