Sound and Light By Shaffer Lisle.

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Presentation transcript:

Sound and Light By Shaffer Lisle

Sound Sound is a wave caused by vibrating objects in which the wave is passed through a medium.

Sound Starts and Travels Sound is started by a vibration when one object disturbs the other, the disturbance is passed on through a medium (the place where the wave is moving). One disturbed molecule effects the one next to it, and then that one effects the one next to that and so forth.

Parts of a Wave The top of the wave is the crest. The bottom is the trough. The distance between two crests is the wavelength. The amount of crests in a certain amount of time is the frequency. The amplitude is how loud something is.

Sound Movie

Light Visible light is a small part of the electromagnetic spectrum. It moves in waves but can act as particles. Its energy is in the form of magnetic and electric energy. Light was found to be an electromagnetic wave.

Light Travel Light travels approximately 300,000.000 kilometers per second (fastest speed in the universe). Unlike other waves, light is different because it does not need a medium to go through. It can travel through a vacuum. However it can travel through a medium.

Electromagnetic Spectrum Every kind of electric, magnetic, and visible radiation with all frequencies and wavelengths.

Color We see color because the spectrum of colors hits an object and it absorbs all the colors except one (which is reflected) and that’s the one that our eye receives.

Rainbows We see rainbows because there is water in the atmosphere. Light passes through the moisture and refracts through the raindrops to show the colors. The rain drop bends the light into its different wavelengths and energy level of photons.

The End By Shaffer Lisle