Physical and Chemical properties and changes with intensive and extensive properties

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5 indicators of a chemical change

temperature, color, odor, texture, formation of gas or solid

physical change

the substance changes in a way in which the chemical structure remains the same before and after, not a drastic change

chemical change

in which the chemical structure of the substance is altered, the properties of the product are drastically different from those of the reactants

product

the ________ is substance after something has happened to it

reactants

the _______ are the substances before something happens to it

intensive

properties that do not change based on the substance you have

intensive properties

color, odor, density, malleability, brittleness, conductivity, texture

extensive

properties change based on how much you have

extensive properties

size, mass, weight, width, length, volume

physical changes examples

sand castle, chewing, mixing, all phase changes- boiling, freezing, melting, condensation, sublimation, deposition

sublimation

when a solid changes into a gas

deposition

when a gas changes into a solid

chemical changes examples

digesting food, cooking, curdling, rotting, rusting

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