Words+to+know

= Quarter One Words to Know =

MASS - AMOUNT OF MATTER IN AN OBJECT (MEASURED ON A BALANCE) VOLUME - AMOUNT OF SPACE AN OBJECT TAKES UP (MEASURED WITH A GRADUATED CYLINDER OR RULER) DENSITY - MASS PER UNIT OF VOLUME(units are g/mL or g/cm3) MATTER - SOMETHING THAT TAKES UP SPACE AND HAS MASS PROPERTIES - SOMETHING THAT CAN BE OBSERVED OR MEASURED EXPANSION - DESCRIBES THE INCREASE IN THE VOLUME OF MATTER THAT OCCURS WHEN MATTER IS HEATED (GAINS ENERGY) CONTRACTION - DESCRIBES THE DECREASE IN THE VOLUME OF MATTER THAT OCCURS WHEN MATTER IS COOLED (LOSS OF ENERGY)

MELTING- DESRIBES GOING FROM A SOLID TO A LIQUID FREEZING- DESCRIBES GOING FROM A LIQUID TO A SOLID BOILING- DESCRIBES GOING FROM A LIQUID TO A GAS EVAPORATION- DESCRIBES GOING FROM A LIQUID TO A GAS AT THE SURFACE CONDENSATION- DESCRIBES GOING FROM A GAS TO A LIQUID SUBLIMATION- DESCRIBES WHEN A SUBSTANCE GOES FROM A SOLID TO A GAS

__**PHASES OR STATES OF MATTER**__ SOLID- DEFINITE SHAPE AND VOLUME (PARTICLES ARE PACKED TOGETHER TIGHTLY, MOST DENSE) LIQUID- DEFINITE VOLUME, BUT NO DEFINITE SHAPE GAS- NO DEFINITE SHAPE OR VOLUME (PARTICLES ARE SPREAD APART, LEAST DENSE) = Quarter Two Words to Know =

SOLUTE - SOMETHING THAT CAN DISSOLVE (SALT) SOLVENT - SOMETHING THAT DOES THE DISSOLVING (WATER) SOLUBLE - SOMETHING THAT WILL DISSOLVE (SALT MIXED IN WATER) INSOLUBLE - SOMETHING THAT WON'T DISSOLVE (SULFUR IN WATER) HOMOGENEOUS MIXTURE - A MIXTURE THAT LOOKS LIKE ONE THING (KOOL-AID) HETEROGENEOUS MIXTURE - A MIXTURE THAT YOU CAN SEE THE PIECES OF (PIZZA) SOLUTION - DESCRIBES A MIXTURE OF 1 OR MORE SUBSTANCES COMBINED TOGETHER UNIFORMLY (SALT AND WATER MIXED) PURE - DESCRIBES A SUBSTANCE WITH CONSTANT COMPOSITION RESIDUE - DESCRIBES WHAT IS LEFT IN THE FILTER AFTER THE FILTERING PROCESS DISSOLVE - SOMETHING THAT FORMS A SOLUTION SATURATED - DESCRIBES A SOLUTION UNABLE TO DISSOLVE MORE SOLUTE