PS4 - Standard

Waves and their Applications in Technologies for Information Transfer

Middle School · Next Generation Science Standards · NGSS Lead States 2013

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Vocabulary
mathematical representationsmodelwavesamplitudeenergymaterialsreflectionabsorptiontransmissioninformationdigitized signalsanalog signalsencodingtransmitting
Skills
  • use (mathematical representations to describe wave models) #dok2
  • develop (models to describe wave behavior through materials) #dok2
  • analyze (the relationship between amplitude and energy in waves) #dok2
  • integrate (scientific and technical information about signal reliability) #dok3
  • construct (arguments supporting digitized versus analog signals for transmitting information) #dok3
Learning Targets
  • I can define and identify key vocabulary such as amplitude, energy, and wave. #dok1
  • I can describe how wave amplitude is related to the amount of energy in a wave. #dok2
  • I can use mathematical representations to model wave properties. #dok2
  • I can develop and use models to describe how waves are reflected, absorbed, or transmitted through different materials. #dok2
  • I can compare digitized and analog signals to determine which is more reliable for encoding and transmitting information. #dok2
  • I can integrate information from different sources to support claims about the superiority of digitized signals for information transfer. #dok3
  • I can construct and present arguments based on evidence to explain why digitized signals are more reliable than analog signals. #dok3
Big Ideas
  • Waves have properties such as amplitude and energy, and their behavior can be modeled mathematically.
  • Digitized signals offer a more reliable method of encoding and transmitting information compared to analog signals.
Essential Questions
  • How does the amplitude of a wave relate to the energy the wave carries?
  • What happens to waves when they encounter different materials?
  • Why are digitized signals considered more reliable than analog signals for transmitting information?
  • How can mathematical and scientific models help us understand wave properties and their applications?
  • In what ways do technology applications take advantage of wave properties for information transfer?