| A | B |
|---|
| physical property | A PROPERTY THAT CAN BE OBSERVED AND MEASURED WITHOUT A CHANGE IN THE KIND OF MATTER |
| chemical change | A CHANGE THAT ALTERS THE IDENTITY OF THE MATERIAL |
| particle model | THE MODEL OF MATERIAL THAT SAYS AT SOME POINT THE MATTER CAN NO LONGER BE CUT INTO TWO PEICES |
| ANGSTROMS | 1 X 10 TO THE -8 EXPONENT METER IN SIZE |
| atoms | THE SMALLEST PARTICLES OF MATTER |
| diffusion | THE PROCESS OF MIXING BY PARTICLE MOTION |
| phases | DIFFERENT PHYSICAL STATES |
| liquids | MATTER THAT HAS NO DIFINITE SHAPE BUT DOES HAVE A DEFINITE VOLUME |
| viscosity | THE EASE WITH WIHCH A LIQUID WILL FLOW |
| gas pressure | THE AVERAGE IMPACT OF PARTICLES OF A GAS ON THE INSIDE OF THE CONTAINER |
| melting | THE PHASE CHANGE WHEN A SOLID CHANGES TO A LIQUID |
| evaporation | WHEN INDIVIDUAL PARTICLES ESCAPE FROM THE SURFACE OF A LIQUID |
| boiling | THE PROCESS OF A LIQUID CHANGING TO A GAS |
| condensation point | THE TEMPERATURE AT WHICH A GAS TURNS TO A LIQUID |
| freezing point | THE TEMPERATURE AT WHICH A LIQUID TURNS TO A SOLID |
| temperature | THE AVERAGE HEAT ENERGY OF MATTER |
| absolute zero | THE TEMPERATURE AT WHICH THERE IS THE LEAST POSSIBLE KINETIC ENERGY |
| chemical change | A CHANGE THAT CASUSES A CHANGE IN THE KIND OF MATERIAL |
| kelvin | A TEMPERATURE SCALE THAT HAS 0 AS THE LOWEST POSSIBLE TEMPERATURE MEASUREMENT |
| kinetic energy | THE ENERGY OF MOTION |
| sublimation | THE PHASE CHANGE FROM SOLID TO A GAS WITHOUT BECOMING A LIQUID OR FROM A GAS TO A SOLID |
| freezing | THE PHASE CHANGE FROM A LIQUID TO A SOLID |
| boiling point | THE TEMPERATURE AT WHICH BOILING TAKES PLACE |
| condensation | PHASE CHANGE FROM A GAS TO A LIQUID |
| melting point | THE TEMPERATURE AT WHICH MELTING TAKES PLACE |
| plasma | THE PHASE OF MATTER IN WHICH THE TEMPERATURE IS SO HIGH THE ELECTRONS ARE STRIPPED FROM THE ATOMS |
| gas | MATTER THAT HAS NO DEFINITE SHAPE OR VOLUME |
| physical change | A CHANGE IN MATTER THAT DOES NOT CHANGE ITS NATURE |
| molecules | COMBINATIONS OF TWO OR MORE ATOMS BONDED TOGETHER |
| Brownian motion | ALL THE PARTICLES OF A LIQUID ARE IN CONSTANT RANDOM MOTION |
| solids | MATTER THAT HAS A DEFINITE SHAPE AND VOLUME |
| compressibility | THE ABILITY OF ATOMS OF MATTER TO BE PACKED TOGETHER MORE CLOSELY |
| amorphous solid | PARTICLES ARE HELD IN A RANDOM PATTERN |
| CHEMICAL PROPERTY | DESCRIBES HOW MATTER WILL REACT AND CHANGE IN THE PRESENCE OF OTHER KINDS OF MATTER |
| crystalline solid | INDIVIDUAL PARTICLES ARE HELD IN A FIXED REPEATING PATTERN |
