 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.

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Presentation transcript:

 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.