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Wave Basics

Wave Basics. Science 2008-2009 By: Julia Faul. Wave Definition. Any traveling disturbance that transfers energy. http://www1.moe.edu.sg/learn@/Quest/winners/secondary/raffles_girls_sch_nc/Folders/Frames/Images/wave.jpg. Crest. Peak or high point of a wave. CREST. Trough.

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Wave Basics

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  1. Wave Basics Science 2008-2009 By: Julia Faul

  2. Wave Definition • Any traveling disturbance that transfers energy. http://www1.moe.edu.sg/learn@/Quest/winners/secondary/raffles_girls_sch_nc/Folders/Frames/Images/wave.jpg

  3. Crest • Peak or high point of a wave CREST

  4. Trough • The low point of a wave TROUGH

  5. Equilibrium • Resting point of a wave, in other words there is no disturbance EQUILIBRIUM

  6. Amplitude • Point of maximum displacement from the equilibrium • This measures the volume of a wave AMPLITUDE

  7. Wavelength (λ) • Distance or length of one full wave cycle (trough to trough of crest to crest) • It should be the same distance for each wavelength WAVELENGTH WAVELENGTH

  8. Wave Frequency • How often a full wave cycle occurs, or the amount of time it takes for one full wave cycle to occur. • Frequency is measured in Hertz (Hz) • Frequency also measures the pitch of a wave http://www.davidjarvis.ca/dave/gallery/lg/sine-wave-frequency.jpg

  9. Medium • The substance or “stuff” the wave travels through • For Example -Water -Air • There are no mediums in space! • This basically means NO SOUND!! • Light CAN travel without a medium. http://odin.physastro.mnsu.edu/%7Eeskridge/astr101/Surface_waves.jpg

  10. Electromagnetic Radiation Waves • These come from the sun… -Radio Waves -Microwaves -Infrared (Heat waves) -Visible Light -UV Rays -X-Rays -Gamma Rays http://www.bxscience.edu/ourpages/users/Villani/bionic/2000/Pics/x%20rays.jpg

  11. Sound Waves • Cannot travel in space! • Change in amplitude=volume • Change in Wavelength=pitch http://www.brobproductions.com/bigstockphoto_Sound_Waves_1345039.jpg

  12. Transverse Waves --These waves go side to side LIGHT!!! Longitudinal Waves --These waves push and pull SOUND!!! Two Types of Waves http://www.dkimages.com/discover/previews/857/35069553.JPG http://www.glenbrook.k12.il.us/GBSSCI/PHYS/MMEDIA/waves/tfl.gif

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