Electricity! Intereactive Science lesson that includes a close read about parallel and series circuits! The craftivity makes a great science bulletin board. Great 4th grade science review and mixing content and writing.
This is a great site with technology lesson plans for elementary school children from very simple activities for kindergarten age through quite advanced lessons for 5th grade. There are activities for word processing, spreadsheets and graphing, powerpoint presentations, graphic arts, multimedia, internet research and more. ~Homeschool Freebie of the Day