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Learn how to identify substances based on physical properties that remain constant, including eye, hair, and skin color, fingerprints, and DNA. Discover how characteristics like solubility, density, and melting point help distinguish different types of matter. Explore the unique properties that define substances without altering their identities.
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Physical Properties of Matter Cornell Notes page 119
How do you identify your friends and family? Eye color Hair color Skin color Fingerprints DNA These are all characteristics that you have that will stay with you for life and can be used to identify you.
Characteristic Properties of Matter 2 Types: physical and chemical Can be used to identify a substance Unique for each kind of matter Stay the same- do not change even though shape or amount of matter may change
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