Small groups to research products made from petroleum other than fuels. The challenge is to find such products "hiding in plain sight."

[Free Registration/Login may be required to access all resource tools.] How fuel can be produced from biological materials.

[Free Registration/Login may be required to access all resource tools.] How fuel can be produced from biological materials.

This is a site from NASA that provides an activity where "You have invented a new material to use for the fuel tanks on the spacecraft. But before you send your new material into the harsh environment of space, you must test it on Earth...

An overview of the impact of human activities on the environment and how those actions effect the nitrogen 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.