chapter 3 test
WHAT IS A SOLID ?
DEFINITE (EXACT)SHAPE AND DEFINITE VOLUME .
HOW DO THE PARTICLES OF A SOLID WORK ?
PACKED TIGHTLY TOGETHER AND EACH PARTICLE IS SET IN ONE POSITION .
HOW DO THE PARTICLES OF A SOLID’S MOVEMENT WORK ?
THEIR MOVEMENT IS SMALL , AND THEY CAN ONLY VIBRATE .
SOLID 1 – CRYSTALLINE IS ?
SOLIDS THAT ARE FORMED WITH REGULAR PARTICLE PATTERN .
SOLID 2 -AMORPHOUS IS ?
SOLIDS THAT FORM NO REGULAR PATTERN OR DOESN’T MELT AT DISTINCT TEMPERATURE .
DO SOLID PARTICLES MOVE ?
THEY DON’T MOVE THEY ONLY VIBRATE
WHAT’S PARTICLES IN A LIQUID ?
LIQUID PARTICLES CAN COLLIDE AND MOVE PAST ONE ANOTHER .
WHAT IS A LIQUID PARTICLE ?
HAVE MORE AMOUNT OF MOVEMENT THAN SOLIDS
WHAT’S A FLUID ?
SUBSTANCE THAT FLOWS , LIQUIDS ARE FLUIDS.
WHAT’S VOLUME ?
LENGTH * WIDTH * HEIGHT
EXPLAIN HOW A LIQUID WORKS ?
HAS DEFINITE VOLUME BUT NO SHAPE OF ITS OWN . LIQUIDS ARE JUST SOLIDS THAT HAVE DEFINITE VOLUME .
WHAT IS A SURFACE TENSION ?
AN INWARD PULL AMONG MOLECULES OF A LIQUID THAT BRINGS THE MOLECULES ON THE SURFACE CLOSER TOGETHER.
EXPLAIN THE DEFINITION OF GASES
CAN CHANGE VOLUME VERY EASILY , NO DEFINITE SHAPE OR VOLUME . GAS PARTICLES COLLIDE FREQUENTLY AND FREE TO MOVE INDEPENDENTLY.
EXPLAIN STATES OF MATTER ?
DEPEND ON MOLECULAR MOTION. MATTER CHANGES WHEN THERMAL ENERGY IS ADDED OR SUBTRACTED.
WHAT HAPPENS WHEN SOLIDS BECOME LIQUIDS ?
THEY MOVE FASTER AND FASTER THEN THEY BREAK FREE FROM THEIR FIXED POSITIONS . SOLID CHANGES TO LIQUID = MELTING .
WHAT IS MELTING POINT ?
A CERTAIN TEMPERATURE THAT WILL CAUSE A SOLIDS PARTICLES TO BREAK FREE .
WHAT HAPPENS WHEN A SUBSTANCE FREEZES ?
THE PARTICLES IN A LIQUID MOVE SO SLOWLY THAT THEY BEGIN TO TAKE ON A FIXED POSITION , OR BECOMING A SOLID .
WHAT IS VAPORIZATION ?
IT HAPPENS WHEN THE PARTICLES IN A LIQUID GAIN ENOUGH ENERGY TO MOVE INDEPENDENTLY FORMING A GAS .
VAPORIZATION 1 – WHAT’S EVAPORATION ?
WHEN A LIQUID VAPORIZES ONLY ON TOP OF A SURFACE ON A LIQUID .
VAPORIZATION 2 – EXPLAIN BOILING
WHEN A LIQUID CHANGES INTO A GAS FROM BELOW AND ON THE SURFACE
WHATS BOILING POINT ?
THE TEMPERATURE AT WHICH LIQUID BOILS
WHAT IS CONDENSATION ?
THE CHANGE IN STATE FROM A GAS TO A LIQUID
WHATS SUBLIMATION
OCCURS WHEN THE SURFACE PARTICLES OF A SOLID GAIN ENOUGH ENERGY THAT FORM A GAS
WHATS VOLUME ?
AMOUNT OF SPACE THAT MATTER TAKES UP AND IS MEASURE IN CUBIC CENTEMETERS
WHATS TEMPERATURE ?
MEASURE OF AVERAGE ENERGY MOTION OF PARTICLES OF MATTER
WHAT IS PRESSURE ?
THE FORCE OF OUTWARD PUSH DIVIDED BY AREA OF WALLS OF CONTAINER
EXPLAIN CHARLES LAW !
WHEN TEMPERATURE GOES UP , VOLUME GOES UP AS WELL
WHAT IS BOYLE’S LAW !
WHEN PRESSURE GOES UP , VOLUME GOES DOWN
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