Term | Definition |
Kinetic molecular theory | based on the idea that particles of matter are always in motion |
Pressure | the amount of force exerted per unit area of a surface |
Boyles law | The volume of a gas at constant temperature varies inversely with the pressure exerted on it |
Charles' law | the volume of a given mass of an ideal gas is proportional to its temperature |
Thermal energy | The total potential and kinetic energy of the particles in an object |
Temperature | A Measure of something how hot or cold it is |
Heat | The energy transferred between objects that are different temperatures |
Kinetic energy | Energy of motion |
Vaporization | The change of state from a liquid to a gas |
Sublimation | The change of a substance from solid to a gas |
Condensation | The change of state from a gas to a liquid |
Deposition | Change of state to A gas to solid |
Radiation | Transfer of energy by electromagnetic waves |
Conduction | Transfer of energy through direct contact |
Convection | Transfer of energy due to the movement of matter |
Convection current | Circular movement of air caused by the cycles of warm air rising in cool air sinking |
Thermal expansion | An increase in the size of a substance when the temperature is increased |
Thermal contraction | The contraction of matter caused by a change in heat |
Specific heat | The heat required to raise the temperature of the unit mass of the given substance |
Thermal insulator | A material that conducts thermal energy poorly |
Thermal conductor | A material through which energy can be transferred as heat |
Metal | Element that is shiny and Well conducts heat and electricity |
Malleable | Term used to describe a material that can be pounded into shapes |
Ductile | A term used to describe a material that can be pulled out into a long wire |
Conductivity | The ability of an object to transfer heat or electricity to another object |
Reactivity | Ease and speed with which an element combines or react with other substances |
Corrosion | Jewel wearing away of metal element due to a chemical reaction |
Alloy | Mixture of two or more metals one of which is metal |
Particle accelerator | Machine that moves atomic nuclei higher and higher speeds until they crash into another |
Matter | Thing that has mass and occupies space |
Atom | Smallest particle of an element |
Substance | Matter with a composition that is always the same |
Element | Pure substance that consists entirely of one type of Atom |
Compound | Substance made up of two or more atoms joined by chemical bonds |
Mixture | Combination of two or more substances that are not chemically combined |
Heterogenous mixture | Mixture in which substances are not evenly mixed |
Homogeneous mixture | What type of mixture in which the individual substances are evenly mixed |
Dissolve | To form solution by mixing evenly |