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11/5 Warm Up

11/5 Warm Up. Grab a clipboard from front SWOD: wave pg O – 7 Pull out notebook and label it “Waves”. What do you think of for “Waves”. How many of you have been to the beach? How many have been on a boat? What stories do you all have about waves?. Waves. Includes: Water Sound Light

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11/5 Warm Up

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  1. 11/5 Warm Up Grab a clipboard from front SWOD: wave pg O – 7 Pull out notebook and label it “Waves”

  2. What do you think of for “Waves” • How many of you have been to the beach? • How many have been on a boat? • What stories do you all have about waves?

  3. Waves • Includes: • Water • Sound • Light • Heat • Earthquakes

  4. Waves 2. Wave = disturbance that transfers energy from place to place

  5. 3. Waves & Energy • What carries waves? • How do waves transfer energy? • What causes waves?

  6. MEDIUM 3.1 What carries waves? AIR • What do sound waves travel through? • What do water waves travel through? WATER • Medium = substance or material that carries the wave (what the wave travels through) • 2. Mechanical wave = requires a medium to transfer energy • 3. Electromagnetic wave = doesn’t require a medium to travel through

  7. 3.2 How do waves transfer energy? Particles in motion Ex: Stadium

  8. 3.3 What causes waves? • Disturbances from energy (wave in water, sound, movement)

  9. Question #1 FALSE – particles only temporarily move TRUE or FALSE? In order for Shane to hear Sally, air molecules must move from the lips of Sally to the ears of John

  10. Question #2 • Every minute, ocean waves continue to splash onto the shore. • In tables, explain why the beach is not completely submerged with water and why the middle of the ocean has not yet been depleted of its water supply?

  11. Answer • Ocean waves don’t transfer water, they transfer ENERGY • The particles just oscillate back and forth

  12. 4. Types of waves • Waves move through mediums in different ways OR

  13. 4.1 Transverse Waves • Transverse waves = move the medium at right angles to the direction of the wave • OR • = move medium perpendicular to the direction of the wave • EX:

  14. (4.1 Transverse Waves Continued) • Examples: heat waves, light waves, seismic (earthquake waves)

  15. 4.2 Longitudinal Waves • Longitudinal waves = move the medium parallel to the direction of the wave • Ex:

  16. (4.2 Longitudinal Waves Continued) • Examples: sound, seismic waves (earthquake)

  17. Particle motion • Wave animation

  18. Question #3: Which type of wave is each? Transverse or Longitudinal?

  19. http://www.google.com/imgres?hl=en&sa=X&tbo=d&biw=1278&bih=593&tbm=isch&tbnid=B87U9RZ_AfXFsM:&imgrefurl=http://missionscience.nasa.gov/ems/02_anatomy.html&docid=ERyyLXsEaXywSM&imgurl=http://missionscience.nasa.gov/images/ems/emsAnatomy_mainContent_wave-movement.png&w=600&h=158&ei=8mmVUK-FBeizigKSj4GgAg&zoom=1&iact=hc&vpx=76&vpy=288&dur=472&hovh=82&hovw=312&tx=234&ty=46&sig=110393057380908509629&page=1&tbnh=65&tbnw=248&start=0&ndsp=17&ved=1t:429,r:6,s:0,i:93http://www.google.com/imgres?hl=en&sa=X&tbo=d&biw=1278&bih=593&tbm=isch&tbnid=B87U9RZ_AfXFsM:&imgrefurl=http://missionscience.nasa.gov/ems/02_anatomy.html&docid=ERyyLXsEaXywSM&imgurl=http://missionscience.nasa.gov/images/ems/emsAnatomy_mainContent_wave-movement.png&w=600&h=158&ei=8mmVUK-FBeizigKSj4GgAg&zoom=1&iact=hc&vpx=76&vpy=288&dur=472&hovh=82&hovw=312&tx=234&ty=46&sig=110393057380908509629&page=1&tbnh=65&tbnw=248&start=0&ndsp=17&ved=1t:429,r:6,s:0,i:93 • http://www.kirksville.k12.mo.us/khs/teacher_web/alternative/transverse_wave.jpg • http://hyperphysics.phy-astr.gsu.edu/hbase/sound/imgsou/lwav2.gif • http://static.ddmcdn.com/gif/noise-canceling-headphone-8.jpg • http://scienceprep.org/images/waves.jpg

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