other forms of energy Flashcards
the smallest part of an element that has characteristics of elements is called what?
atoms
the energy of atoms is called what?
atomic energy
energy possessed by a substance by virtue of its physical properties is called what?
chemical energy
transmission of heat by the transferring of energy from one particle to another is called what?
conduction
the transfer of heat by the motion of particles of gas or fluid is called what?
convection
a “thermos” bottle is called what?
dewar flask
the resistance to motion between two objects in contact is the definition of what?
Friction
the state of matter in which the molecules are far apart due to the lack of chemical bonds is called what?
gas
process or substance used to regulate the movement of heat is the definition of what?
insulation
something that hinders the passage of heat, electricity, or sound is called what?
an insulator
a state of matter in which molecules touch but still free to flow due to weak chemical bonds is called what?
liquid
the process of energy carried from one object to another without physical contact is called what?
radiation
is heat a form of kinetic energy?
yes
how is heat transferred?
by conduction, convention, radiation
what is produced when work is done and friction occurs?
heat
how does conduction transfer heat?
by the collision of molecules
heat energy is transferred in fluids by what?
convection
are liquids and gases fluids?
yes
what is it called when heat is radiated?
heat waves
friction is produced when work is done. true or false?
true
an indirect (related) measurement of the speed of molecules is made with a(n) ____________.
thermometer
heat waves traveling at the speed of light are called ________.
convection
motion
conduction
radiation
radiation
which items are true concerning a typical “thermos bottle”?
radiation is hindered by the silver coatings
the silver coatings stop convection losses
conduction losses are prevented by the vacuum
convection is not possible because of the vacuum
the glass walls will not conduct heat
radiation is hindered by the silver coatings
conduction losses are prevented by the vacuum
convection is not possible because of the vacuum
heat is transferred throughout the atmosphere primarily by __________.
conduction
convection
motion
radiation
convection
friction always produces heat. true or false?
true
the earth’s surface transfers heat to the atmosphere primarily by _________.
motion
convection
conduction
radiation
radiation
as the speed of vibration of molecules increases, what property of the substance increases?
temperature
energy
heat
all of the above
all of the above
the sun’s energy reaches the earth by _________.
radiation
convection
conduction
fusion
radiation
the primary method by which one object transfers energy to another distant object is _______.
conduction
convection
radiation
none of these
radiation
products which transfer heat quickly are:
poor conductors
good conductors
good insulators
poor insulators
good conductors
poor insulators
the transfer of heat through a solid is accomplished by _______.
conduction
convection
radiation
all the above
conduction
the transfer of heat through the motion of a fluid or gas is accomplished by _______.
conduction
convection
radiation
all the above
convection
radiant heat cannot travel through a vacuum. true or false?
false
double-paned window glass is used in some homes because _______.
glass is a good conductor
glass is a good insulator
air is a good conductor
air is a good insulator
air is a good insulator
the amount of molecular vibration is directly related to the measurement of ________.
speed
heat
motion
temperature
temperature
whenever energy is transformed from one form to another, and friction occurs, some of that energy is lost by being changed into _________.
electricity
sound
vibrations
heat
heat
conduction does not work well in metals. true or false?
false
what can you expect as an object is heated?
the molecules will slow down
the molecules will move faster
the molecules will move faster
the energy due to motion of molecules within a mass is called _______.
potential
vibrational
heat
kinetic
heat
the primary method by which two connected objects transfer heat to one another is _________.
conduction
convection
radiation
all of the above
conduction
