Name: _____________________________________________ Period: _____ Date: _________

Dekalb Reads Assignment 11.1 A

TYPES OF WAVES

Read pages 356-358 and answer the following questions

Use your own textbook: Score 3 points. Maximum points possible for this assignment: 32
  1. What happens to a leaf on the surface of water in which ripples are created?

    2.  

  2. Does the leaf travel with the waves or remains at its position on the water?

    3.  

  3. Do individual drops of water travel outward with the wave?

    4.  

  4. What moves along with a wave?

    5.  

  5. Define wave.

    6.  

  6. Most waves travel through a _______________.
  7. Sound travels as a _________________.
  8. Name the waves created by earthquakes.

    9.  

  9. What is a medium?

    10.  

  10. What is the medium in the example of the pond?

    11.  

  11. For sound from the stereo ______________ is the medium.
  12. What is the medium in earthquakes?

    13.  

  13. What are mechanical waves?

    14.  

  14. Name the waves that are not mechanical.

    15.  

  15. Light waves do not need a ________________________.
  16. What are the light waves consist of?

    17.  

  17. Why are the light waves called electromagnetic waves?

    18.  

  18. Name the waves that carry radio or TV signals.

    19.  

  19. Waves transfer ___________________.
  20. Waves carry energy because they can ___________________.
  21. Water waves can do work on ____________________________.
  22. Sound waves can do work on ____________________________.
  23. Light waves can do work on __________________________.
  24. The bigger the wave is the ____________________it carries.
  25. What is the huge ocean wave caused by earthquakes, called?

    26.  

  26. A tsunami may be as high as _________.
  27. Define "wave front" in your own words.

    28.  

  28. What happens as the circles (wave fronts) get larger?

    29.  

  29. If you are too close to a speaker or a light bulb, they may damage your ears or eyes. But if you are far your ears and eyes will be safe. Why? (To answer this question you need to read and comprehend last 3 paragraphs on page 358.)
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