Vocabulary
Which vocabulary term means: to move from one place to another
transfer
Thermal energy is also called ______________ energy.
temperature -or- heat
heat
The length of one complete wave is called ___________.
amplitude -or- wavelength
wavelength
Sound waves travel fastest through ____________.
air -or- solids
solids
Sound waves travel slowest through air.
TRUE or FALSE: Electromagnetic waves can travel through space.
TRUE
EM waves do not need a medium to travel through.
Which vocabulary term means: a measure of how hot or cold something is
temperature
TRUE or FALSE: Heat always transfers from a colder object to an object that is warmer.
FALSE
Heat always transfers from a warmer object to an object with a lower temperature.
The height of a wave (from the middle to the top) is called the wave's _________________.
amplitude -or- frequency
amplitude
Sound waves travel by compressing molecules. This means they are _______________ waves.
transverse -or- longitudinal
longitudinal
White light is a combination of which colors?
all of the colors
Which vocabulary term means: the ability to move matter or to change matter
energy
Which kind of heat transfer happens when two object are in direct contact with each other?
conduction -or- radiation
conduction
The number of waves that pass in one second is that wave's ________________.
period -or- frequency
frequency
TRUE or FALSE: We hear sound waves because the air compressions vibrate out eardrum, and our brain interprets that as sound.
TRUE
An object appears a certain color because of how white light ______________ off of it.
reflects -or- vibrates
reflects
Which vocabulary term means: in physics, it is a disruption or disturbance that transfers energy from one place to another through a back-and-forth motion
wave
Which type of heat transfer happens through electromagnetic waves, like when sunlight heats something up?
conduction -or- radiation
radiation
The type of wave that goes up and down and looks like a wave is called a ___________________ wave.
transverse -or- longitudinal
transverse
When a sound wave has a higher amplitude, that means it will be ______________.
louder -or- quieter
louder
TRUE or FALSE
An object that looks black is reflecting all of the colors of light.
FALSE
Objects that look black are absorbing all of the colors of light.
Which vocabulary term means: moving or having to do with motion
kinetic
Which type of heat transfer happens when a fluid like air or water circulates through a space?
radiation -or- convection
The type of wave that needs a medium like air or water to travel through is called a ________________ wave.
mechanical -or- electromagnetic
mechanical
Changing the frequency of a sound wave will change ______________.
how high or low the tone is
-or-
how loud or soft the tone is
how high or low the tone is
Which type of wave has a higher frequency and more energy?
radio waves -or- visible light
visible light