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Partner activity

Learn about the properties of waves such as amplitude, frequency, and different types of waves. Explore how waves travel and interact with their environment. Discover the concept of resonance and the impact of waves on various mediums.

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Partner activity

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Presentation Transcript

  1. Partner activity

  2. wavelength wavelength

  3. What is • Amplitude? • How high/low the crests/troughs are. • Frequency? • Rate of the wiggle

  4. Waves travel Do the wave • Did the wave make it across the room? • Did the people who started it move across the room? • People move up and down as the wave’s energy goes past. Waves are energy

  5. Types of Waves Transverse Waves Longitudinal Waves Transverse, Longitudinal, and Periodic Waves

  6. Source, Receiver & Medium • People Wave What is the Source? first person What is the Receiver? last person What is the Medium? all the people

  7. Source, Receiver & Medium • Wave on a String What is the Source? Orange Pump What is the Receiver? Clamp What is the Medium? The string of red beads

  8. Source, Receiver & Medium • Longitudinal slinky wave What is the Source? start of slinky What is the Receiver? startof slinky What is the Medium? The slinky

  9. Source • http://www.iris.edu/hq/programs/education_and_outreach/videos#H

  10. How do waves add?

  11. Sketch what you think the pattern will look like

  12. Resonance The natural frequency of an object

  13. Resonance • Swinging http://www.youtube.com/watch?v=I4FPK1oKddQ The frequency an object likes to vibrate at

  14. Resonance • Pasta/raisin demonstration The frequency an object likes to vibrate at

  15. Resonance The frequency an object likes to vibrate at • Wave on a String (A=3, f=50, Damp = 0, Tension = high)

  16. Resonance The frequency an object likes to vibrate at • Tall vs. Short Building damage http://www.iris.edu/hq/programs/education_and_outreach/videos#O

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