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Thermal En. & matter

QuestionAnswer
Conduction the process that transfers kinetic energy when particles collide
Convection the transfer of energy by flow of a liquid or gas by the movement of molecules
Heat the energy transferred between two objects because of a difference in temperature
Insulator a material through which electrical charges or heat does not move easily
Radiation energy in the form of electromagnetic waves or streams of particles such as photons or electrons
Specific Heat amount of energy that must be added to a material to raise the temperature of a unit mass one temperature unit
Temperature the "hotness" of material measured using a specific scale to indicate the average kinetic energy
Thermal Energy the overall energy of motion of the particles of an object
Chemical Property the ability or inability of a substance to combine with or change into one or more new substances
Colloid heterogeneous mixture containing particles larger than solution particles but smaller than suspension particles
Compound a chemical combination or two or more different elements
Distillation a technique that can be used to physically separate substances based on the differences of boiling points
Element a pure substance that cannot be broken down into simpler substances by physical or chemical means
Heterogeneous Mixture a mixture that does not have a uniform composition and in which the individual substances remain distinct
Homogeneous Mixture a mixture that has a uniform composition throughout and always has a single phase; also called a solution
Law of Conservation of Mass states that mass is neither created nor destroyed during a chemical reaction
Physical Change a type of change that alters the physical properties of a substance but does not change its composition
Physical Property a characteristic of matter that can be observed or measured without changing the sample's composition
Solution a uniform mixture that may contain solids, liquids, or gases; also called a homogeneous mixture
Substance a form of matter that has a uniform and unchanging composition; also known as a pure substance
Suspension type of heterogeneous mixture whose particles settle out over time; can be separated from the mixture by filtration
Tyndall Effect the scattering of light by colloidal particles
Created by: adajahhoran