Ch 23: Electricity, Magnetism, Light & Sound

About This Chapter

Be sure you understand magnetism, light, electricity and sound before you take an important exam by reviewing our concise and informative chapter. Written by professionals, the lessons and quizzes found here are a helpful way to ensure you're ready to do your best on test day.

Electricity, Magnetism, Light & Sound - Chapter Summary

You'll find a series of lessons on light, sound, electricity and magnetism in this chapter, which is accessible 24 hours a day. Use your tablet, smartphone or computer to watch our short videos on electric and magnetic attraction, and more. After finishing this chapter, you should be able to do the following:

  • Define electric charge and force
  • Explain magnetic force and define poles and dipoles
  • Outline the properties of light
  • Discuss the definition of sound, including pitch and volume

Work at your own pace and review as few or as many of these lessons as needed to feel fully prepared for your exam. The lesson quizzes and chapter test are a handy way to check your comprehension and identify any areas that need more study. Our subject experts are available to answer your questions if you submit them through the Dashboard.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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