BioMan Biology
Bio Man Biology: Life Chemistry Quizzes
Two multiple-choice quizzes, one on the processes and types of biological molecules, the other on the structure and replication of DNA.
Science Bob Pflugfelder
Science Bob: Homemade Slime!
Contains a procedure for creating slime -- a polymer formed by mixing water, borax, Elmer's glue, and food coloring. Following the procedure, the site contains a brief description of what polymers are.