Difference between revisions of "Waves"

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* [[4-WAV-05]] Heat Transfer  
 
* [[4-WAV-05]] Heat Transfer  
 
* [[4-WAV-06]] Insulation
 
* [[4-WAV-06]] Insulation
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Proposed Learning Outcomes and teaching order for WAV
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===Double lesson (SS and DA)===
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* Pupils understand and can use the terms amplitude, frequency, wavelength and period.
 +
* Pupils can describe the differences between longitudinal and transverse waves and give examples of each.
 +
* Pupils recall that waves transfer energy without transferring matter.
 +
* Pupils can use the wave equation 
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===Double lesson (SS and DA)===
 +
* Pupils can state and use the Law of Reflection. Simple reflection experiment.
 +
* Pupils can explain refraction as due to a change of speed in different media.
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* Pupils can predict the change in direction of a wave due to refraction, including examples using light (including dispersion) and in water, using wave front to explain what is occurring.
 +
===Single lesson (SS)===
 +
* Pupils can explain diffraction as the spreading of a wave around an object.
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* Pupils can sketch different diffraction effects where λ << a; λ = a; λ >> a
 +
===Double lesson (SS and DA)===
 +
* Pupils can recall the hearing range of a human and determine whether a frequency lies within the range.
 +
* Pupils understand that any sound wave with a frequency greater than 20kHz is known as ultrasound.
 +
* Pupils can recall different uses of ultrasound and can explain the idea of ultrasound scanning using an echo.
 +
* Pupils can describe how to measure the speed of sound using a clapping method and an electronic method.
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===Single lesson (SS)===
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* Pupils understand how an oscilloscope and microphone can be used to display a sound wave.
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* Pupils can read an oscilloscope trace to determine the time period and frequency of a sound wave.
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* Pupils understand how the volume and pitch affect the amplitude and frequency of a sound wave.
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=Topics Covered=
 
=Topics Covered=

Revision as of 06:33, 5 November 2009

Lesson Order


Proposed Learning Outcomes and teaching order for WAV

Double lesson (SS and DA)

  • Pupils understand and can use the terms amplitude, frequency, wavelength and period.
  • Pupils can describe the differences between longitudinal and transverse waves and give examples of each.
  • Pupils recall that waves transfer energy without transferring matter.
  • Pupils can use the wave equation

Double lesson (SS and DA)

  • Pupils can state and use the Law of Reflection. Simple reflection experiment.
  • Pupils can explain refraction as due to a change of speed in different media.
  • Pupils can predict the change in direction of a wave due to refraction, including examples using light (including dispersion) and in water, using wave front to explain what is occurring.

Single lesson (SS)

  • Pupils can explain diffraction as the spreading of a wave around an object.
  • Pupils can sketch different diffraction effects where λ << a; λ = a; λ >> a

Double lesson (SS and DA)

  • Pupils can recall the hearing range of a human and determine whether a frequency lies within the range.
  • Pupils understand that any sound wave with a frequency greater than 20kHz is known as ultrasound.
  • Pupils can recall different uses of ultrasound and can explain the idea of ultrasound scanning using an echo.
  • Pupils can describe how to measure the speed of sound using a clapping method and an electronic method.

Single lesson (SS)

  • Pupils understand how an oscilloscope and microphone can be used to display a sound wave.
  • Pupils can read an oscilloscope trace to determine the time period and frequency of a sound wave.
  • Pupils understand how the volume and pitch affect the amplitude and frequency of a sound wave.


Topics Covered

  • Longitudinal and transverse waves
  • The electromagnetic spectrum
  • Sound waves and hearing