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Mr. Brown Heat
Thermodynamics
| Term | Definition |
|---|---|
| State of Matter | solid, liquid, gas |
| Solid | particles are tightly packed, vibrating in place, with little space between the particles for movement. |
| Liquid | particles are packed together but have enough room to flow over one another. |
| Gas | particles are not tightly packed, spaced apart, moving randomly in straight lines until they collide with another particle or the side of the container. |
| Solid | In this state of matter the thermal energy is low. |
| Liquid | the state of matter the thermal energy is medium, not too high and not too low. |
| Gas | the state of matter the thermal energy is at its highest. |
| Solid | definite shape and definite volume. |
| Liquid | definite shape but does have a definite volume. |
| Gas | no definite shape and has no definite volume |
| Thermal Energy | energy contained within a system that is responsible for its temperature. |
| Temperature | measure of the average kinetic energy of the particles in a a matter. |
| Matter | takes up space or has volume |
| Volume | the amount of matter something takes up. |
| Fahrenheit | temperature scale used primarily in the USA. |
| Celsius | temperature scale use by scientist and most of the world except the USA. |
| Absolute Zero | all molecular motion stops. |
| Freezing Point | matter changes from a liquid to a solid. |
| Melting Point | matter changes from a solid to a liquid. |
| Thermometer | the measure the average kinetic energy of a substance. |
| "0 degrees Celsius" (0°C) | water freezes |
| "100 degrees Celsius" (100°C) | water boils |
| density | how tightly pack the matter is inside an object |
| Mass divide by volume, ( m/volume) | density formula |
| Convection | heat transfer through currents |
| Conduction | heat transfer through touch |
| radiation | heat transfer through open space |