Other
North Carolina Department of Energy and Natural Resources: Dirt Can Be Dirty
Did you know that the #1 pollutant in North Carolina is dirt? When soil is washed into streams and river, it smothers small animals and fish by clogging their gills. Look for bare patches of ground around your home and around your school...
Agriculture in the Classroom
National Agriculture in the Classroom: A Look at California Agriculture [Pdf]
Use this one-page PDF document for a concise summary of the agricultural industry in Calfornia. Learn about the state's climate, soil, crops, and animals in short, easy-to-read bulletted lists.
Other
Tropical Broadleaf Evergreen Forest: The Rainforest
This is a general overview of the tropical rainforests that focuses on climate, animal life, vegetation, soil and so on. It also includes a rainforest map.