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  1. 1. Warm-Up, 09.23.2009 Would you be for or against school uniforms? How would you test the truth of the statement “School uniforms cause students to learn more ?” Seriez-vous pour ou contre des uniformes scolaires ? Comment vous examineriez ce rapport « étudiants de cause d'uniformes scolaires pour apprendre plus. » ¿Usted estaría para o contra los uniformes escolares? Cómo usted probaría esta declaración “estudiantes de la causa de los uniformes escolares para aprender más.”
  2. 2. Notes, Chapter 10 <ul><li>A wave will only travel as long as it has energy to transfer </li></ul><ul><li>Mechanical Waves: Waves that can only travel through a medium. </li></ul><ul><li>Kinds of mechanical waves: </li></ul><ul><ul><li>Transverse waves: matter in a medium moves perpendicular to the motion of energy. </li></ul></ul><ul><ul><ul><li>Ex: Waves in the ocean </li></ul></ul></ul><ul><ul><ul><li>Ex: Earthquakes </li></ul></ul></ul><ul><ul><ul><li>Ex: Visible light </li></ul></ul></ul><ul><ul><ul><li>Ex: An audience wave </li></ul></ul></ul><ul><ul><li>Compressional Waves : matter in a medium moves parallel to the motion of energy. </li></ul></ul><ul><ul><ul><li>Ex: Sound waves </li></ul></ul></ul><ul><ul><ul><li>Ex: Shock waves (explosions, earthquakes) </li></ul></ul></ul>
  3. 3. Transverse wave <ul><li>Surfers love transverse waves. </li></ul>
  4. 4. Transverse wave
  5. 5. Compressional Wave <ul><li>Sound moves through air much like this wave. </li></ul>
  6. 6. Compressional Wave <ul><li>An explosion or earthquake would create this kind of wave. </li></ul>
  7. 7. Labs!!!!! <ul><li>Labs!!! </li></ul>