ANYTHING THAT TAKES UP SPACE AND HAS MASS STATE OF MATTER IS DETERMINED BY: THE MOTION OF THE PARTICLES AND THE STRENGTH OF ATTRACTION BETWEEN PARTICLES
ATOMS MOLECULES IONS
MATTER WITH A DEFINITE SHAPE PARTICLES ARE PACKED CLOSELY TOGETHER AND VIBRATE IN PLACE.
PARTICLES IN A REPEATING THREE DIMENSIONAL PATTERN
PARTICLES ARE IN A RANDOM ARRANGEMENT EXAMPLES: GLASS, RUBBER, PLASTIC
THEY HAVE A DEFINITE VOLUME BUT NO DEFINITE SHAPE. THE PARTICLES MOVE ABOUT MORE FREELY THAN SOLIDS.
A LIQUIDS RESISTANCE TO FLOW. THE SLOWER A LIQUID FLOWS THE HIGHER ITS VISCOSITY. VISCOSITY INCREASES AS THE LIQUID GETS COLDER.
PARTICLES ON THE SURFACE ARE PULLED TOGETHER TOWARD THE CENTER.
PARTICLES DO NOT HAVE A DEFINITE SHAPE OR VOLUME. THE PARTICLES MOVE OUT FARTHER THAN LIQUIDS AND SOLIDS. THEY MOVE AT HIGH SPEEDS IN ALL DIRECTIONS.
SIMILAR TO A GAS THE ATOMS OR MOLECULES HAVE IONIZED (THE NUMBER OF ELECTRONS HAS BEEN REDUCED OR INCREASED)
THE TOTAL KINETIC AND POTENTIAL ENERGY IN A SAMPLE OF MATTER.
THE AVERAGE KINETIC ENERGY OF THE INDIVIDUAL PARTICLES OF A SAMPLE OF MATTER. HEAT – THE TRANSFER OF THERMAL ENERGY FROM A SUBSTANCE THAT HAS A HIGHER TEMPERATURE TO ONE WITH A LOWER TEMPERATURE.
THE AMOUNT OF HEAT IT TAKES TO RAISE THE TEMPERATURE OF 1 G OF A SUBSTANCE 1 DEGREE CELSIUS. MELTING- THE TEMPERATURE AT WHICH A SUBSTANCE CHANGES FROM SOLID TO A LIQUID. FREEZING- THE CHANGE FROM A LIQUID TO A SOLID STATE.
THE CHANGE OF A SUBSTANCE FROM A LIQUID TO A GAS STATE. BOILING POINT – THE TEMPERATURE AT WHICH A LIQUID BOILS. EVAPORATION- TAKES PLACE AT THE SURFACE OF A LIQUID AND CAN TAKE PLACE BELOW THE BOILING POINT.
WHEN GAS COOLS DOWN AND CHANGES TO A LIQUID
UNIT OF MEASURE FOR FORCE
PRESSURE = FORCE AREA = NEWTONS AREA = _N_ m2
THE DIFFERENCE IN PRESSURE RESULTS IN UPWARD FORCE ON AN OBJECT IN A FLUID.
THE BOUYANT FORCE ON AN OBJECT IS EQUAL TO THE WEIGHT OF THE FLUID DISPLACED BY THE OBJECT.
DENSITY = __ MASS__ VOLUME
WHEN A FORCE IS APPLIED TO A CONFINED FLUID, AN INCREASE IN PRESSURE IS TRANSMITTED EQUALLY TO ALL PARTS OF THE FLUID.