Our sincere appreciation to the following organizations and companies for their generous support:

AGL Resources

American Honda Motor Company, Inc

Power Equipment Division

Chattahoochee Technical College

Georgia Pacific

Georgia Power

International Paper

Scientific-Atlanta

U. S. Department of Energy

Thank you to Alan Hull, our volunteer editor and advisor.

Thank you to Tarver Lowe for the design of the electronic version of this document.

Thank you to the Georgia Department of Education for providing Understanding by Design training.

Thank you to scientists, educators, and friends across this great state for patience, input, and inspiration.