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Chem Year 8

TermDefinition
Physical change A change that does not result in a new substance being produced
Phase change When a substance changes from one state of matter to another
Evaporation The change of state where a liquid changes to a gas at the surface of the liquid
Condensation A change of state where a gas is cooled and forms a liquid
Sublimation A change of state from solid to gas
Chemical change A change that results in a new substance being formed
Particle model "A simplified representation of solids, liquids and gases"
Temperature The amount of heat in a substance
Heat When the particles in a substance are vibrating very fast
Chemical Reaction The process of rearranging atoms in substances to form different substances
Reactants The substances that are reacted together in chemical reactions
Products The substances formed in chemical reactions
Word equation A simple chemical equation where chemicals are represented by their names
Formula equation A type of equation that expresses a relationship between different quantities using variables
Created by: knmangalath
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