https://padlet.com/12161775/ejw7c9pmijip Victoria Wilson en-us 2016-12-19 18:16:42 UTC 2024-07-26 02:31:59 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Planets.png 12161775 https://padlet.com/12161775/ejw7c9pmijip/wish/144366398 Waves involve the transport of energy without the transport of matter.


]]> 2016-12-19 18:28:58 UTC https://padlet.com/12161775/ejw7c9pmijip/wish/144366398 12161775 https://padlet.com/12161775/ejw7c9pmijip/wish/144368347 A mechanical wave is a wave that is an oscillation of matter, and therefore transfers energy through a medium.]]> 2016-12-19 18:37:47 UTC https://padlet.com/12161775/ejw7c9pmijip/wish/144368347 12161775 https://padlet.com/12161775/ejw7c9pmijip/wish/144368573 One of the waves that are propagated by simultaneous periodic variations of electric and magnetic field intensity and that include radio waves, infrared, visible light, ultraviolet, X-rays, and gamma rays.]]> 2016-12-19 18:38:47 UTC https://padlet.com/12161775/ejw7c9pmijip/wish/144368573 12161775 https://padlet.com/12161775/ejw7c9pmijip/wish/144369536 A wave that oscillates perpendicular to the axis along which the wave travels. Electromagnetic waves are transverse waves, since the electric and magnetic fields oscillate at a right angle to the direction of motion.]]> 2016-12-19 18:43:34 UTC https://padlet.com/12161775/ejw7c9pmijip/wish/144369536 12161775 https://padlet.com/12161775/ejw7c9pmijip/wish/144369651 Mechanical longitudinal waves are also called compressional waves or compression waves, because they produce compression and rarefaction when traveling through a medium.]]> 2016-12-19 18:44:05 UTC https://padlet.com/12161775/ejw7c9pmijip/wish/144369651 12161775 https://padlet.com/12161775/ejw7c9pmijip/wish/144369934 Light is measured by its wavelength, one wavelength equals the distance between two successive wave crests or troughs.]]> 2016-12-19 18:45:36 UTC https://padlet.com/12161775/ejw7c9pmijip/wish/144369934 12161775 https://padlet.com/12161775/ejw7c9pmijip/wish/144370033 In physics, Frequency is the number of crests of a wave that move past a given point in a given unit of time. The most common unit of frequency is the hertz (Hz).]]> 2016-12-19 18:46:03 UTC https://padlet.com/12161775/ejw7c9pmijip/wish/144370033 12161775 https://padlet.com/12161775/ejw7c9pmijip/wish/144370296 Radio waves are a type of electromagnetic radiation with wavelengths in the electromagnetic spectrum longer than infrared light.

]]> 2016-12-19 18:47:25 UTC https://padlet.com/12161775/ejw7c9pmijip/wish/144370296 12161775 https://padlet.com/12161775/ejw7c9pmijip/wish/144370426 electromagnetic wave with a frequency in the range of 100 megahertz to 30 gigahertz (lower than infrared but higher than other radio waves).]]> 2016-12-19 18:48:06 UTC https://padlet.com/12161775/ejw7c9pmijip/wish/144370426 12161775 https://padlet.com/12161775/ejw7c9pmijip/wish/144370608 The definition of infrared is light rays which are longer than light but shorter than radio waves.]]> 2016-12-19 18:48:58 UTC https://padlet.com/12161775/ejw7c9pmijip/wish/144370608 12161775 https://padlet.com/12161775/ejw7c9pmijip/wish/144375301 Visible light is a form of electromagnetic radiation, as are radio waves, infrared radiation, ultraviolet radiation, X-rays and microwaves.]]> 2016-12-19 19:10:07 UTC https://padlet.com/12161775/ejw7c9pmijip/wish/144375301 12161775 https://padlet.com/12161775/ejw7c9pmijip/wish/144375589 Ultraviolet light is a form of radiation which is not visible to the human eye. It's in an invisible part of the electromagnetic spectrum. Radiated energy, or radiation, is given off by many objects.]]> 2016-12-19 19:11:14 UTC https://padlet.com/12161775/ejw7c9pmijip/wish/144375589 12161775 https://padlet.com/12161775/ejw7c9pmijip/wish/144375716 A relatively high-energy photon with wavelength in the approximate range from 0.01 to 10 nanometers. (Also called roentgen ray)]]> 2016-12-19 19:11:52 UTC https://padlet.com/12161775/ejw7c9pmijip/wish/144375716 12161775 https://padlet.com/12161775/ejw7c9pmijip/wish/144375808 Gamma ray is a stream of high-energy electromagnetic radiation given off by an atomic nucleus undergoing radioactive decay. Because the wavelengths of gamma rays are shorter than those of x-rays, gamma rays have greater energy and penetrating power than x-rays.]]> 2016-12-19 19:12:18 UTC https://padlet.com/12161775/ejw7c9pmijip/wish/144375808