Check out this website for lots of fun activities to practice what we learned in science class!
http://interactivesites.weebly.com/science.html
The following link is great for learning the bones of the body for Chapter 5. (Hint: They might be on the midterm)
http://www.childrensuniversity.manchester.ac.uk/interactives/science/bodyandmedicine/theskeleton/
The science fair is not until the spring time, but you can find some cool science fair project ideas here:
http://www.sciencebuddies.org/science-fair-projects/project_ideas.shtml#browsealprojects