Making Waves<br />What kinds of waves are there?<br />
Waves transfer Energy<br />How would you define the word “wave”?<br />A wave is a transfer of energy with no net transfer ...
Waves transfer Energy <br />Some waves (like sound waves) must have a medium to pass their energy through<br />What was th...
Waves transfer energy<br />The medium for water waves is the surface of the water.<br />Leonardo da Vinci explained this p...
Wave Vocabulary<br />To discuss waves effectively, we need a common vocabulary<br />
Vocabulary terms – Write Down, Leave Space<br />period<br />transverse wave<br />longitudinal wave<br />compression wave<b...
Pg 499 - 501<br />Between the pages of 499 and 501 in your textbook, you will find definitions, diagrams, and examples of ...
Calculating the speed of a wave<br />The distance the crest of a wave moves in 0.2 seconds is 2 meters. Calculate the spee...
Calculating speed using frequency and wavelength<br />Imagine you saw 5 crests pass by in 1 second. You measure the distan...
Calculating speed using frequency and wavelength<br />Determine the speed of a transverse wave with a frequency of 4 Hz, a...
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Chapter 5, Sec 2: Wave Vocabulary

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Chapter 5, Sec 2: Wave Vocabulary

  1. 1. Making Waves<br />What kinds of waves are there?<br />
  2. 2. Waves transfer Energy<br />How would you define the word “wave”?<br />A wave is a transfer of energy with no net transfer of mass.<br />To transfer energy to the slinky, you used chemical energy stored in your arm muscles to create the mechanical energy of the motion of your hand which was them passed on to the slinky which began moving.<br />Key<br />Term<br />Alert!<br />
  3. 3. Waves transfer Energy <br />Some waves (like sound waves) must have a medium to pass their energy through<br />What was the medium in our investigation?<br />the slinky<br />The word “medium” in this context means a substance through which something else is transmitted or carried on<br />Key<br />Term<br />Alert!<br />
  4. 4. Waves transfer energy<br />The medium for water waves is the surface of the water.<br />Leonardo da Vinci explained this principle by stating,<br />“The wave flees the place of creation, while the water does not.”<br />The medium for sound waves can be the air around us, the ground under us, or even the water in our rivers, oceans, and streams.<br />
  5. 5. Wave Vocabulary<br />To discuss waves effectively, we need a common vocabulary<br />
  6. 6. Vocabulary terms – Write Down, Leave Space<br />period<br />transverse wave<br />longitudinal wave<br />compression wave<br />standing wave<br />node<br />antinode<br />periodic wave<br />crest<br />trough<br />amplitude<br />wavelength<br />frequency<br />
  7. 7. Pg 499 - 501<br />Between the pages of 499 and 501 in your textbook, you will find definitions, diagrams, and examples of each of the vocabulary terms.<br />Define all words + give an example and/or create a diagram for each. Beside each word, put the page number where you found your information.<br />20 minutes independent work<br />
  8. 8. Calculating the speed of a wave<br />The distance the crest of a wave moves in 0.2 seconds is 2 meters. Calculate the speed of the wave.<br />That’s an easy enough problem. But what if you don’t have wavelength and time? What if you have frequency and wavelength?<br />
  9. 9. Calculating speed using frequency and wavelength<br />Imagine you saw 5 crests pass by in 1 second. You measure the distance between the crests and it is 2 meters. What is the speed?<br />wave speed = wave frequency x wavelength<br />v = fλ<br />
  10. 10. Calculating speed using frequency and wavelength<br />Determine the speed of a transverse wave with a frequency of 4 Hz, a wavelength of 0.75 meters, and an amplitude of 1.5 meters.<br />

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