matter - It is everything that has mass and volume., mass - It is the amount of matter there is in an object. , volume - It is the space that an object occupies. , we measure mass in ... - grams or kilograms, we measure volume in - litres, pure substance - matter that contains only one substance (example water), mixture - matter that contains more than one substance , homogeneous mixture - we cannot see the different substances or ingredients, heterogeneous mixture - we can see the different substances (for example salad), the three states of matter - solid, liquid and gas,

Matter - definitions

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