8.SCI.8.B

Explain the use of electromagnetic waves in applications such as radiation therapy, wireless technologies, fiber optics, microwaves, ultraviolet sterilization, astronomical observations, and X-rays.

Grade 8 · Texas Essential Knowledge and Skills (TEKS) · TEKS 2022

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Vocabulary
electromagnetic wavesapplicationsradiation therapywireless technologiesfiber opticsmicrowavesultraviolet sterilizationastronomical observationsX-rays
Skills
  • explain (the use of electromagnetic waves in applications) #dok2
  • identify (different applications of electromagnetic waves) #dok1
  • connect (specific electromagnetic waves to appropriate technologies or uses) #dok2
  • analyze (how the properties of electromagnetic waves make them suitable for certain applications) #dok3
Learning Targets
  • I can identify real-world applications that use electromagnetic waves, such as X-rays and microwaves. #dok1
  • I can explain how electromagnetic waves are used in technologies like wireless communications, radiation therapy, and fiber optics. #dok2
  • I can connect the properties of electromagnetic waves to their specific uses in various applications. #dok2
  • I can analyze why certain electromagnetic waves are more appropriate for specific applications, such as ultraviolet sterilization or astronomical observations. #dok3
Big Ideas
  • Electromagnetic waves play a critical role in a wide variety of modern technologies and medical treatments.
  • The properties of electromagnetic waves determine their specific applications in science, industry, and everyday life.
Essential Questions
  • How are electromagnetic waves used in different technological and medical applications?
  • What properties of electromagnetic waves make them suitable for specific uses?
  • How do advancements in our understanding of electromagnetic waves support new technologies?
  • Why is it important to choose the correct type of electromagnetic wave for a particular application?
  • What impact do electromagnetic wave technologies have on society and daily life?