I. Physical & Chemical Properties of Matter: A

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Presentation transcript:

I. Physical & Chemical Properties of Matter: A I. Physical & Chemical Properties of Matter: A. Definition of Physical Property___________ ____________________________________ 1. Examples of Physical Properties:_________ ___________________________________ Properties of matter that describe the way it looks, feels, tastes, etc Density, boiling & melting point, color, odor, texture

B. Definition of Chemical Property___________ ____________________________________ 1. Examples of Chemical Properties:____________________________ ___________________________________ Properties that describe how matter might behave under certain conditions Flammable, corrosive, oxidizer

II. Physical & Chemical Changes of Matter: A. Definition of Physical Change: _____________ ______________________________________ 1. Examples of Physical Changes:___________ ____________________________________ Change in matter w/o changing its chemical composition Phase changes, cutting, bending, dissolving, mixing, stretching

B. Definition of Chemical Change:_____________ ______________________________________ 1. Examples of Chemical Changes:____________ Change in matter that produces a new substance w/ new properties Tarnish, digest, rot, cook, grow, rust

a) __________________________________ 2. Five Clues That a Chemical Change Has Occurred: a) __________________________________ b) __________________________________ c) __________________________________ d) __________________________________ e) __________________________________ ***you DO NOT have to view all five in EVERY chemical reaction, but at least one of the five!!!*** UNEXPECTED color change Precipitant – something “falls out” of solution or it gets cloudy Effervescence (bubbling) New odor Change in energy

1. _________________________ 2. _________________________ i. Four ways that energy might be “seen” by us: 1. _________________________ 2. _________________________ 3. _________________________ 4. _________________________ light sound electricity temperature

Watch the demonstrations performed very carefully and in the table below, determine whether a physical change or chemical change occurred. Demonstrations that Demonstrated a PHYSICAL Change Demonstrations that demonstrated a CHEMICAL change