Physical Change - To boil water for tea, Chemical Change - Piece of iron oxidized, True - The materials have general and intesive properties, False - Density is a extensive property of matter, Characteristics: Color - Smell - Chemical Change, Substance - Consist in only one component that cannot be separated into simple substance, Mixture - Two or more substance that can be separated, Characteristics: Easy to revent - Physical, Homogeneous mixture - Two ore more substances that can´t be identify the components and it can´t be separated, Heterogeneous mixture - Two or more substances in which we can see how many components it haves and it can be separated easily,

Substance Changes

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