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| Term | Definition |
|---|---|
| Change of state | change from one of the three states of matter to another. (e.g, melting, freezing, vaporization). |
| Melting | change of state from a solid to a liquid; it involves adding heat ( e.g, wax candles, ice creams, and butter melting). |
| Thermometer | instrument used to measure the temperature of solids, liquids, and gasses. |
| States of matter | forms in which matter can exist (solid, liquid, and gas). |
| Sublimation | change from the solid state directly to the gas state; involves adding energy (e.g, dry ice). |
| Deposition | change from the gas state directly to the solid state; involves removing energy (e.g, frost, snow,). |
| Fluids | substance that flows; includes liquids and gases (e.g, water, oil, air, ect.). |
| Conduction | transfer of heat through a solid or between a solid, a liquid, or a gas that is in contact with it (e.g, oven mitts, ironing of clothes). |
| Convection | transfer of thermal energy by moving particles in fluids (e.g, ice melting, air dryer, melting butter). |
| Light energy | a form of energy that our eyes can detect (e.g, flashlight, lightbulb, ect.). |
| Sound energy | a form of energy that we can hear (e.g, balloon popping, speakers, microphones). |
| Thermal energy | total energy of the moving particles in a solid, a liquid, or a gas; sometimes called heat energy (e.g, heater, a cup of coffee, the warmth of the sun, ect.) |
| Chemical energy | energy stored in matter such as food, fuels, and clothing. |
| Elastic energy | energy stored in objects that are stretched, compressed, bent, or twisted (e.g, bow and arrow, elastic bands, slingshot). |
| Electrical energy | energy of particles moving through a wire or through an electrical device (e.g, toaster, batteries). |
| Gravitational energy | stored energy an object has when it is above Earth's surface (e.g, water flowing from the tap). |
| Magnetic energy | energy that causes some types of metal to attract or push away from certain other metals; iron, cobalt, and nickel are all magnetic. |
| Light energy | a form of energy that our eyes can detect (e.g, flashlight, lightbulb, ect.). |
| Fossil fuels | non-renewable sources of energy formed underground millions of years ago from the remains of plants and animals (e.g., oil, natural gas, coal). |
| Non-renewable energy | a term used to describe something that is irreplaceable (e.g, coal, natural gas, oil, and nuclear energy). |
| Nuclear energy | stored energy at the center of particles of matter (e.g, uranium, lead). |
| Radiation | transfer of energy by invisible waves given off by an energy source (e.g, x-ray machine). |
| Energy | ability to make objects move (e.g, the energy stored in fuels like gasoline can be used to make a car move). |
| Infrared waves | invisible waves that transfer heat (e.g, sunlight, a fire, warm sidewalks, ect.). |
| 6 Changes of state | Separation Condensation sublimation deposition evaporation |
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jfo
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