Mission SM3: Sound Intensity and DeciBel Levels

Mission SM3 focuses on the meaning of sound intensity and the use of the deciBel scale to compare the intensity of sounds. The mission consists of 36 questions organized into 9 Question Groups. You must answer one question from each Question Group to complete the mission. The learning outcomes for this mission are ...

Learning Outcomes

  • The student should be able to recognize the role of the deciBel system and understand its logarithmic nature.
  • The student should be able to compare sounds in terms of their intensity and deciBel level.


Launch Mission SM3


Getting Help

If you are not familiar with this topic, then you should first learn about the topic using our written Tutorial or our Video Tutorial:

The Physics Classroom, Sound and Music Unit, Lesson 2, Part b  

Video Tutorials:

None available at this time.



Question-Specific Help

Each Question Group has its own Help page with information specific to the question. You can access the Help page from within the mission by tapping on the Help Me! icon (textbook). For your convenience, links to those pages are provided below: