[DOC] [TLE] luminescence facts, information, pictures | Encyclopedia.com articles ... [PAR] These high-energy forms of radiation are called ionizing radiation, because they 
... Ionizing radiation can indeed cause a great deal of damage to matter
including the ... spectrum possessing far less energy than gamma rays can be 
detrimental, .... bulb, of which there are more than 1.5 billion operating in the 
United States. [DOC] [TLE] Fluorescence - Wikipedia [PAR] Fluorescence is the emission of light by a substance that has absorbed light or 
other electromagnetic radiation. It is a form of luminescence. In most cases, the 
emitted light has a longer wavelength, and therefore lower .... Other rates of 
excited state decay are caused by mechanisms other than photon emission and 
are,... [DOC] [TLE] Photoelectrochemical process - Wikipedia [PAR] Photoelectrochemical processes are processes in photoelectrochemistry; they 
usually involve transforming light into other forms of energy. These processes 
apply to photochemistry, optically pumped lasers, sensitized solar cells, 
luminescence, and photochromism. ... Electron excitation is the movement of an 
electron to a higher energy state. [DOC] [TLE] Luminescence | Article about luminescence by The Free Dictionary [PAR] Luminescence is caused by the movement of electrons within a substance from 
more energetic states to less energetic states. ... According to the source of the 
exciting energy, these luminescences are designated as ... by accelerated ions), 
and alpha luminescence (excitation by alpha particles); electroluminescence... [DOC] [TLE] Energy transfer by heating  Conduction, Convection, Evaporation ... [PAR] Is the movement of thermal energy through a material without the particles in the 
... (have more kinetic energy) and bump into the neighbouring particles which 
causes ... The less dense warm liquid or gas then floats up through the more 
dense ... These changes in density cause the convection currents in the liquid or 
gas. [DOC] [TLE] Heat energy | Sciencelearn Hub [PAR] Nov 20, 2009 ... Most of us use the word 'heat' to mean something that feels warm, but ... Heat 
energy is the result of the movement of tiny particles called atoms, ... and the 
transfer or flow due to the difference in temperature between the two objects is 
called heat. ... The substance changes its state from a solid to a liquid. [DOC] [TLE] States of Matter - Utah Science [PAR] These changes in energy cause the changes of states of matter. ... In a liquid, 
particles have more energy, are less tightly packed (less dense), and can move... [DOC] [TLE] Nobel Lecture - Nobelprize.org [PAR] Radiation of particles moving at a velocity exceeding that of light, and ... the 
radiation arising from the movement in a substance of fast electrically charged ... 
in which it was indicated that the gamma rays of radium besides causing 
luminiscence of .... One of these universal characteristics of luminescence is, as 
S. I. Vavilov. [DOC] [TLE] What is chemiluminescence? | www.scienceinschool.org [PAR] May 25, 2011 ... In the process, a packet of energy (a photon) is released in the form of ... When 
the excited 3-aminophthalate drops down to the ground state, ... 
Chemiluminescence reactions, such as those in glow sticks, are ... light, which 
means it is absorbed less readily by particles in the water. .... More contact details
... [DOC] [TLE] How Light Bulbs Work - Real World Physics Problems [PAR] The interactions between these particles, during their motion, result in ... To 
produce visible light most efficiently the temperature of the filament would have to 
be about 6300 ... As a result these electrons "jump" to higher energy states. ... 
Due to its lower temperature it emits proportionally less electromagnetic radiation
... [DOC] [TLE] Meaning of Luminescence - Encyclo [PAR] Luminescence is caused by the movement of electrons within a substance from 
more energetic states to less energetic states. There are many... Found on... [DOC] [TLE] radiation measurement - Passive detectors | technology | Britannica ... [PAR] If a charged particle or fast electron passes through the emulsion, .... is carried 
out at ordinary temperatures, the trapped charge is more or less permanently 
stored. ... The applied thermal energy causes rapid release of the charges. ..... It 
is the

Question: Luminescence is caused by the movements of these particles from more to less energetic states
Answer: Electrons