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PS: Ch 1-5
Ch. 1-5
| Term or Question | Answer or Definition |
|---|---|
| states that the universe is lawful, orderly, and operates according to physical laws | principle of causality |
| energy of motion | kinetic energy |
| device used to measure the change in heat | calorimeter |
| transfer of thermal energy without matter | radiation |
| amount of disorder in a system | entropy |
| Most nations measure temperature by? | Celsius |
| ability to do work | energy |
| SI unit of mass | kilogram |
| orderly process by which scientists investigate nature | scientific method |
| what degree is when water being cooled stops contracting | 4 degrees C |
| gas changing into a liquid | condensation |
| 1 way diffusion | osmosis |
| temperature where vapor pressure equals atp is at what point | boiling point |
| SI unit for energy | joule |
| deformation where stretching and compressing are done | bending |
| energy of visible light | radiant energy |
| device that automatically regulates temperature | thermostat |
| Equation for gravitational PE | PE=mgh |
| factor's that affect an object's rotational KE | mass, rotational speed, size and shape |
| amount of space matter takes up | volume |
| heat that does NOT cause a change in temperature | latent |
| device used to measure altitude | altimeter |
| small particles that make up matter | atoms |
| heat required to change solid to liquid without changing its temperature | heat of fusion |
| states that temperature and pressure are directly related when volume is constant | Amontons's law |
| heat transferred by moving currents | convection currents |
| tendency of a solid object to float in a fluid | buoyancy |
| liquid changing into gas | evaporation |
| heat transferred by direct contanct | conduction |
| mathematical sentences | equations |
| device used to keep liquefied gases cold | dewar flask |
| 3 factors that affect thermal energy | mass, state of matter, and temperature |
| amount of force per unit of area | pressure |
| liquids that evaporate quickly | volatile |
| force that propels an airplane forward | thrust |
| fundamental force that binds subatomic in the nucleus together | strong nuclear force |
| most important part of a heat pump | refrigerant |
| transfer of thermal energy | heat |
| motion in a circle centered on a point outside of an object | circular motion |
| amount of heat needed to change an object's temperature by a certain amount | heat capacity |
| amount of heat needed to cause a unit to rise in temperature of a unit mass of the substance | specific heat |
| PE caused by 2 charged objects | electric PE |
| PE caused by restorative forces | elastic PE |
| relates force needed to deform a solid to the amount of deformation | Hooke's law |
| motion that involves a change in an object's position | translational motion |
| solid changing into liquid | melting |
| idea that states molecules of an object move faster as the object is heated | kinetic theory |
| fundamental force that states there is an attractive force between two masses | gravitational force |
| portion of the universe being studied | system |
| everything else around the system | surroundings |
| coldest possible temperature | absolute zero |
| ratio of density of a substance to the density of a standard | specific gravity |
| theoretical device that generates the max mount of work possible from a given amount of ehat | carnot engine |
| how closely a measurement reflects the actual value | accuracy |
| how repeatable a measurement is | precision |
| states that lateral pressure of a moving fluid decreases as the fluid's speed increases | bernoulli's principle |
| state of matter that exists when temperatures are too high for matter to exist in its ordinary states | plasma |
| states that natural processes tend to go toward less usable energy and greater disorder | 2nd law of thermodynamics |
| vacuum bottle | dewar flask |
| internal evaporation in a liquid | boiling |
| gas changing directly into a solid | deposition |
| states that energy gained or lost by a system is equal to the energy lost or gained by its surroundings | 1st law of thermodynamics |
Created by:
Mrs. Sechrist
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