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Physical Properties of Matter Cornell Notes page 119 How do you • Eye color identify your • Hair color friends and • Skin color family? • Fingerprints • DNA These are all characteristics that you have that will stay with you for life and can be used to identify you. Characteristic • Can be used to Properties of identify a substance Matter • Unique for each kind of matter • Stay the same- do not change even though shape or amount of matter may change 2 Types: physical and chemical Physical Properties of Matter • can be seen or measured without changing the identity of the substance • Solubility- ability of substance to dissolve in certain substances • Density- how close together are the particles? (amount of mass per unit volume). 1 standard size feather pillow weighs between 1-3 pounds. 1 standard size brick weighs about 4.5 lbs. It would take almost two pillows to equal the mass of one brick! Physical Properties of Matter • Melting Point and Boiling Point- at what temp. does the substance change phases? • State of matter