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Naty E.
chp. 10 and 20
| Question | Answer |
|---|---|
| Temprature | a measure of the average kinetic energy of the particles in an object. |
| Thermal expansion | The increase in volume of a subtance due to an increase in temprature. |
| Absoolute zero | The lowest tempature on the kelvin scale is 0 k which is called? |
| Heat | Is the transfer of energy between objects that have different tempratures. |
| Thermal energy | Is the total energy of the particles that make up a substance. |
| Conduction | is the tranfer of thernmal energy from one substance to another through direct conact. |
| conducters | substances that conduct thermal energy very well are called? |
| insulators | subsances that dont conduct thermal energy well. |
| convection | the transfer of thermal energy useing a liquid or gas. |
| wave | is any disturbance that transmits energy through matter or space. |
| medium | is a substance through which waves can travel. |
| longitudinal wave | the particles of the medium vibrate back and forth along the path that the wave travels. |
| amplitude | the maximum distance the wave vibrates from its rest position. |
| wavelength | is the distancebetween any two adjacent crests or compressions in a series of waves. |
| frequency | the number of waves produced in a certain amount of time. |
| wave speed | the speed at which a wave travels. |
| reflection | when a wave bounces back after stricking a barrier. |
| refraction | the bending of a wave as it passes at an angle from one medium to another. |
| interference | the results of two or more waves overlapping. |
| standing wave | a wave that forms a stationary pattern in which portions of the wave are at the rest position due to total destructive interference and other portions have a large amplitude due to constructive interference. |
| resonance | when an object vibrating at or near the resonant frequency of a second object causes second object to vibrate. |
| How energy transfers through a medium | an object vibrates and passes energy to a particle next to it. The second particle |
| How sound waves work | particles travel through a medium by vibration. If there are no particles to vibrate, no sound is possible. |
| How ocean waves transfer energy | particles vibrating throughout the water |
| Electromagnetic waves | waves that do not require a medium |
| Examples of things that operate using electromagnetic waves | microwaves, ovens, TVs, radio signals and x rays |
| How can waves be classified | based on the direction in which the particles of a medium vibrate compared to the direction in which the waves travel. |
| How do transverse waves move | particles vibrate with and up and down motion |
| How do longitudinal waves move | particles of the medium vibrate back and forth along the path that the wave travels. |
| Wave speed formula | Wave Speed |
| Wave Speed | the bending of waves around a barrier or through an opening |
| Interference | the result of two or more waves overlapping |
Created by:
PhySciLewis1
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