sound

Questão	Responda
absolute zero	movement of heat n the form of electromagnetic waves which can travel through a vacuum.
conduction	A measure of the average kinetic energy of particles in a substance that results in how hot or cold the substance is.
conductor	An instrument that measures temperature.
convection	a region of high pressure where particles are close together.
insulator	unit to measure loudness
radiation	the lowest possible temperature -273 C
temperature	a method of heat transfer in which heat is passed by vibration of particles.
thermometer	a substance that allows heat to pass through it.
compresson	transfer of heat a liquid or gas due to less dense warmer matter rising and denser cooler matter falling.
decibel	a material that does not conduct heat.
longitudinal wave	a wave in which the vibration is in the some direction that the wave is travelling.
infrasound	the sounds produced by waves of very low frequency less then 20 Hz
hertz	the unit used to measure frequency.
frequency	the number of waves passing a point every second.
echo	a sound that is reflected and heard a second time.
rarefacaction	A region of low pressure in which particles are far apart.
sound wave	regions of high and low pressure originating from a vibrating object and transmitted through a medium.
tinnitus	constant ringing in the ear.
transverse wave	a wave in which the vibration is at angles to the direction the wave is travelling.
wavelength	the distance from one peak of wave to the

Resumo de Recurso

	Criado por Mahmud Sayid mais de 8 anos atrás