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PS: Ch 1-5

Ch. 1-5

Term or QuestionAnswer 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