NASA
Nasa: Earth Observatory: The Carbon Cycle
Learn about the element carbon and its importance on the Earth's atmosphere and sustainability of life on the planet. Additionally, understand the role the carbon cycle plays in global climate change over time.
Vision Learning
Visionlearning: Earth Science: The Carbon Cycle: What Goes Around Comes Around
Instructional module focusing on the carbon cycle. Discussion includes the biological and geological components of how carbon moves through the atmosphere, lithosphere, and hydrosphere. Site also includes an interactive practice quiz and...
Other
Elmhurst College: Virtual Chembook: Carbon Cycle
A step-by-step discussion of the stages in the carbon cycle. Each step includes a diagram further explaining the processes involved, as well as pictures depicting combustion, respiration, photosynthesis, and decomposition.
Annenberg Foundation
Annenberg Learner: The Habitable Planet: Carbon Lab
An interactive lab simulation demonstrates the effects of increased carbon in the atmosphere and how that increase contributes to climate change. A data table for student records is available for download.
CK-12 Foundation
Ck 12: Biology: Carbon Cycle
Learn about the carbon cycle.[Free Registration/Login may be required to access all resource tools.]