| Question |
Answer |
| conductor |
a material that conducts electrons easily |
| temperature |
the average kinetic energy of all the molecules in an object |
| electric circuit |
any path along which electrons can flow |
| lens |
a piece of clear material that bends light rays passing through it |
| electric current |
the flow of electrons |
| convection |
the transfer of thermal energy through currents in a liquid or gas |
| potential energy |
energy an object has because of its location or condition |
| heat |
the transfer of thermal energy from one substance to another |
| insulator |
a material that doesn't carry electrons |
| electric charge |
what an object gets when it gains or loses electrons |
| pitch |
a quality determined by the speed of vibration of sound waves |
| electromagnet |
a magnet formed by the flow of electric current |
| refraction |
the bending of light rays |
| energy |
the ability to cause changes in matter |
| electric force |
the attraction or repulsion between objects with a positive or negative charge |
| radiation |
the transfer of thermal energy by electromagnetic waves |
| conduction |
the direct transfer of thermal energy between objects that touch |
| resistor |
a material that resists the flow of electrons |
| volume |
the loudness of a sound |
| reflection |
light that bounces off an object |
| kinetic energy |
energy of motion |
| Conductor |
A material that conducts electrons easily |
| temperature |
the average kinetic energy of all the molecules in an object |
| electric circuit |
any path along which electrons can flow |
| lens |
a piece of clear material that bends light rays passing through it |
| electric current |
the flow of electrons |
| convection |
the transfer of thermal energy through currents in a liquid or gas |
| potential energy |
energy an object has because of its location or condition |
| heat |
the transfer of thermal energy from one substance to another |
Ch.18 LTI-MA 509
