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PROPERTIES of MATTER. PHYSICAL SCIENCE. PHYSICAL vs. CHEMICAL. PHYSICAL = THE OUTSIDE OF AN OBJECT – USING YOUR 5 SENSES . CHEMICAL = INSIDE AN OBJECT – WHAT MAKES IT THAT SUBSTANCE. . PHYSICAL PROPERTIES.
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PROPERTIES of MATTER PHYSICAL SCIENCE
PHYSICAL vs. CHEMICAL • PHYSICAL = THE OUTSIDE OF AN OBJECT – USING YOUR 5 SENSES • CHEMICAL = INSIDE AN OBJECT – WHAT MAKES IT THAT SUBSTANCE.
PHYSICAL PROPERTIES • ANY CHARACTERISTIC THAT DESCRIBES THE EXTERIOR QUALITIES OF AN OBJECT USING YOUR FIVE SENSES. • VISCOSITY • TEXTURE • LUSTER • TEMPERATURE • STATE OF MATTER • DUCTILITY • ELASTICITY • MALLEABILITY • CONDUCTIVITY • ABSORBENCY • BRITTLENESS • MASS • VOLUME • COLOR • HARDNESS • MAGNETISM • WEIGHT • DENSITY • MELTING/BOILING/FREEZING POINT • DISSOLVABILITY
CHEMICAL PROPERTIES • ANY CHARACTERISTIC THAT DESCRIBES THE INTERNAL QUALITIES THAT MAKE SOMETHING WHAT IT IS & IT’S ABILITY TO CHANGE. • FLAMMABILITY • REACTIVITY TO: • Light • OXIDATION (RUST) • TENDENCY TO FORM COMPOUNDS • CHEMICAL STABILITY • PH LEVEL / ACIDITY PROPERTIES SONG
PHYSICAL CHANGES • ANY CHANGE TO AN OBJECT THAT DOES NOT CHANGE THE ORIGINAL ATOMS THAT MAKE IT UP – NO CHANGE IN MATTER • SHAPE • FORM • SIZE • STATE OF MATTER • BENDING • CUTTING • MELTING • FREEZING
CHEMICAL CHANGES • ANY CHANGE WHICH CAUSES ONE TYPE OF MATTER TO CHANGE TO ANOTHER WITH DIFFERENT PROPERTIES (CAUSED BY A CHEMICAL REACTION) • ARE sometimes IRREVERSIBLE • BURNING AN OBJECT • CHEMICAL REACTIONS • RUSTING • FORMING A COMPOUNDS • DECOMPOSING MATTER • PERMING HAIR • SONG
MIXTURES • CREATING A MIXTURE IS A PHYSICAL CHANGE. YOU STILL HAVE THE ORIGINAL SUBSTANCES YOU BEGAN WITH, BUT THEY JUST SHARE SPACE! • EXAMPLES: • KOOL AID • PIZZA • TRAIL MIX • SALAD • SWEET TEA • SODA DO ALL THESE THINGS LOOK THE SAME TO YOU?
TYPES OF MIXTURES THESE ARE CALLED SOLUTIONS! • HOMOGENOUS – (same) MIXTURES THAT LOOK THE SAME ALL THE WAY THROUGH – CANT SEE THE DIFFERENT TYPES OF MATTER • EXAMPLES: • KOOL AID, SWEET TEA & SODA • SOLVENT – WHAT DOES THE DISSOLVING (usually a liquid) • SOLUTE – WHAT DISSOLVES (solid)
TYPES OF MIXTURES THESE ARE EASY TO SEE & SEPARATE! • HETEROGENOUS - MIXTURES THAT YOU CAN SEE THE DIFFERENT TYPES OF MATTER ITS MADE OF. • BIGGER PIECES • EXAMPLES: • SALAD • PIZZA • TRAIL MIX REVIEW VIDEO REVIEW GAME