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1.1 Presentation Transcript

  • 1. Science Starter : February 7, 2012
    • What happens when the slinky is moved up and down while stretched out?
    • What happens to the slinky when you move it faster?
    • List at least three other observations about the way the slinky moves.
    Copy the questions. Leave at least 3 lines after each question.
  • 2. Waves Transfer Energy Pages 9-14 (section C)
  • 3. What is a WAVE?
    • Wave- a disturbance that transfers energy from one place to another
  • 4. Ocean Waves
    • The water moves up and down- a motion known as a disturbance.
    • It is the disturbance that travels in a wave, transferring energy.
  • 5. Forces and Waves
    • Force is required to change the motion of an object.
    • Forces can start as a disturbance sending waves through a substance
    • Examples of waves
  • 6.
    • Medium- any substance that a waves moves though .
      • Example water is a medium for an ocean wave
    • Mechanical Waves- waves that transfer energy through matter.
  • 7. Transverse Waves
    • Transverse waves- the direction in which the wave travels is perpendicular, or a right angles to the disturbance.
  • 8. Longitudinal Waves
    • Longitudinal Waves- the waves travels in the same direction as the disturbance