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physicalscience l.14
physical science unit 14
| Question | Answer |
|---|---|
| boiling | occurs above and below liquid |
| evaporstion | occurs just on the surface of liquid |
| condensation | change from a gas to a liguid |
| thermal expansion | heat makes an object bigger |
| freezing | liquid turns into a solid 0C and 32F |
| melting | solid turns into a liquid 100C and 212F |
| gases | particles are spread out and con move freely no volume, no shape |
| liquids | particles packed close together but can still move no volume, shape |
| solids | particles close together and cant move is volume, and is shape |
| insulators | dosnt allow a transfer of electricity or energy |
| conductors | allow a transfer of electricity or energy |
| radiation | heat that moves in waves |
| convection | heat cycles around heat |
| conduction | heat transfers |
| specific heat formula | mass x specific heat x change in energy |
| specific heat | amount of heat used to raise the tempature |
| heat | matter at a lower temp. |
| thermal energy | the total potential and kinetic energy of the particles in an object |
| Fahrenheit to kelvin | convert f to c then c to k |
| Celsius to kelvin | add 273 |
| Fahrenheit to celsius | (f-32) x .56 |
| absolute zero | no thermal energy -273k |
| Celsius to Fahrenheit | (c x 1.8) + 32 |
| kelvin | (physical science) 237k-freezing 373k-melting |
| celsius | in all other countries 0C-freezing 100C-melting |
| fahrenheit | used only in u.s.a 32F-freezing 212F-melting |