United University

Physics Grade 9. Mechanical and electromagnetic waves. Collection 1

Course Difficulty Icon Intermediate
Course Type Icon Course
Course Duration Icon 9 hours

This interactive course brings physics to life for Grade 9 students. Through dynamic activities, quizzes, and interactive lessons, students will delve into the exciting world of mechanical and electromagnetic waves. They'll explore fundamental concepts like the nature and propagation of mechanical waves, sound waves, and the principles of electromagnetic waves. The course emphasizes hands-on learning with experiments and theoretical understanding. By the end of the course, students will have a solid grasp of wave phenomena and the skills to apply them.

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This interactive course brings physics to life for Grade 9 students. Through dynamic activities, quizzes, and interactive lessons, students will delve into the exciting world of mechanical and electromagnetic waves. They'll explore fundamental concepts like the nature and propagation of mechanical waves, sound waves, and the principles of electromagnetic waves. The course emphasizes hands-on learning with experiments and theoretical understanding. By the end of the course, students will have a solid grasp of wave phenomena and the skills to apply them.

Key Features of the Course

  • Interactive learning with quizzes and tests for students
  • Exploration of theoretical and practical aspects of wave physics
  • Development of problem-solving and critical thinking skills
  • Alignment with modern curriculum goals and exciting natural sciences topics

Course Modules

Module 1: Mechanical and Electromagnetic Waves

  • Lesson 17: Origin and Propagation of Mechanical Waves. Physical Quantities Characterizing Waves
  • Lesson 18: Sound Waves. Infrasound and Ultrasound
  • Lesson 19: Laboratory Work No. 6: Investigation of Sound Vibrations from Various Sources Using Modern Digital Tools
  • Lesson 20: Electromagnetic Field and Electromagnetic Waves
  • Lesson 21: Electromagnetic Wave Spectrum
  • Lesson 22: Physical Principles Behind Modern Wireless Communication Systems. Radar
  • Lesson 23: Summary of Module III "Mechanical and Electromagnetic Waves"
  • Lesson 24: Self-Assessment Tasks for Module III

Expected Learning Outcomes

  • Understand the concept of wave processes and the conditions for the formation of mechanical and electromagnetic waves
  • Define physical quantities such as wavelength, frequency, wave speed, sound intensity, and pitch
  • Recognize the physical foundations of modern wireless communication and the impact of electromagnetic waves on living organisms
  • Apply formulas relating wavelength, frequency, and wave speed to solve various problems
  • Compare the properties of sound and electromagnetic waves across different frequencies
  • Explain the significance of modern communication technologies and their role in society

This interactive course combines foundational physics knowledge with practical experimentation and quizzes. Students will gain insights into wave phenomena, the laws governing them, and their applications in modern technology. This approach blends learning with engaging activities, active participation, and exploration of natural processes through both theoretical and practical engagement.

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