7.3 Term 2

Question	Answer
Unit 7.2 Flashcards	Image: Sr Zf6k (image/gif)
Three states of matter	Solid Liquid Gas
Particles	All matter is made up of very small particles that are too small to see.
Solids	Particles are tightly packed; small spaces
Liquids	Particles are in contact; spaces large enough so particles can slide by each other
Gases	Particles are frequently moving; large spaces
Heat	The energy transferred from one substance to another
Temperature	The average kinetic energy of the particles in the substance
Cold Object	Solid; Low kinetic energy and their particles just vibrate
Warmer Object	Liquid and Gas ~ High kinetic energy and their particles move frequently
Melting	Solid to Liquid
Evaporation	Liquid to Gas
Sublimation	Solid to Gas
Solidification	Liquid to Solid
Condensation	Gas to Liquid
Deposition	Gas to Solid
Melting Point	The temperature at which solid turns to liquid
Boiling Point	The temperature at which liquid turns to gas
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