Amazing online resource from the Genetic Science Learning Center. Lots to explore beyond Cell Size and Scale.
http://learn.genetics.utah.edu/ - Learn about genetics. Also, a teacher's website (http://teach.genetics.utah.edu) is in the works.
How to extract DNA from anything living. An awesome science project for older kids (or nerdy adults who still like to make a mess in the name of SCIENCE!)
The Mother Load of teaching Genetics! Videos, Teacher Resources, Lesson Plans, Activities, Take Home Assignments, and More!
LOVE these resources and the new video on how to use the lesson plans - Using the Introduction to Heredity Curriculum with your Class http://teach.genetics.utah.edu/content/heredity/
How to Extract DNA from Anything Living....this site in general is great for genetics info, lab, and lesson ideas
AFRICA: It's Not a Country: Lesson Plans for Teaching About Africa in the Early Elementary Grades. Created by Preservice Teachers at Utah State University
Step by step tutorial on how to extract DNA from anything living (plant matter)