| A | B |
| kinetic molecular theory | matter made of small particles called atoms |
| how do particles move? | constantly in random directions |
| kinetic energy | is the energy of motion |
| particles with more temperature | particles move faster |
| particles in a solid | are packed together, vibrate |
| particles in a liquid | slide past each other |
| particles in a gas | move freely, spread apart |
| What is temperature? | measure of the kinetic energy of all particles |
| What are the temperature scales? | Fahrenheit, Celsius and Kelvin |
| Temp. based on 0 and 100 degrees | Celsius |
| based on 32 and 212 | Fahrenheit |
| based on the absolute zero | Kalvin |
| absolute zero | particles have no kinetic energy |
| What is thermal energy? | total energy of all particles |
| potential energy | stored energy of an object or particle |
| What is heat? | amount of thermal energy transfered |
| How is heat transfered? | From an object of higher temp. to lower temp. |
| three ways of heat transfer | conduction, convection, radiation |