University of North Carolina
University of North Carolina: Eric Notebook: Cross Sectional Studies [Pdf]
Explains what a cross-sectional study of a population is and how it compares with a cohort study. Its advantages, disadvantages, and limitations are discussed, and how it is used in studying health issues and risks. Includes two practice...
Other
Science Fair Primer: Judging Guidelines
A five part set of standards (20 pts ea)of judging science fair prjects, with three to five criteria in each standard. These come from Falmouth High School.
University of Washington
Washington U: Model for Conducting Scientific Research
This page outlines the scientific method, step by step.
McREL International
Mc Rel: Glue Polymer (Whelmer #15 Learning Activity)
An easy to do activity that investigates the basic principles behind chemical bonding. The activity is written in lesson plan format that meets NSES standards.