Copyright

Ch 6: Cycles and Spheres of Earth

About This Chapter

Watch these video lessons and take the quizzes that follow to review stages in the carbon, nitrogen, and phosphorous cycles as well as interactions between the earth's four spheres.

Cycles and Spheres of Earth - Chapter Summary

Get a quick review of the main elements and macronutrients making up living organisms before exploring the various ways in which these molecules are cycled through the environment. Our experienced instructors walk you through the interactions between the hydrosphere, geosphere, biosphere, and atmosphere. Lessons in this chapter can also help you examine the following topics:

  • Phosphorus cycle
  • Nitrogen cycle
  • Carbon cycle
  • Earth's four spheres

This brief chapter includes video lessons lasting less than ten minutes each, transcripts with key terms in bold, and self-checking quizzes to help determine when you've mastered these chapter topics. Plus, you can access any and all of these resources at your convenience, wherever you take your mobile device.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

Earning College Credit

Did you know… We have over 200 college courses that prepare you to earn credit by exam that is accepted by over 1,500 colleges and universities. You can test out of the first two years of college and save thousands off your degree. Anyone can earn credit-by-exam regardless of age or education level.

To learn more, visit our Earning Credit Page

Transferring credit to the school of your choice

Not sure what college you want to attend yet? Study.com has thousands of articles about every imaginable degree, area of study and career path that can help you find the school that's right for you.

Support