reversible - Each state change is __________ (10), liquids - ________ can flow and change their shape (7), gases - The only state that can be compressed (gases), statesofmatter - Solids, liquids, and gases are the three ______ __ _______ (6,2,6), particle - The ________ theory assumes that particles are made of solid spheres with no forces operating between them, but in reality this is not the case (8), vibrate - Particles in a solid cannot move around but they do _______ constantly (7), random - Particles in liquids and gases are not fixed, but have a _______ arrangement (6), pressure - In a sealed space, the ________ of a gas increases with temperature (8), melting - Solids turn to liquids at their _______ point (7), temperature - The ____________ of a substance during a state change doesn't change until the state change is complete (11), condensation - gases turn to liquids in a process called ____________ (12), atom - The smallest part of an element that can still be recognised as that element (4),

Particle Theory

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