Yet another list of Webquests, but this website also offers a Webquest creator. These Webquests range from the high school to middle school levels. I found the Epic Rap Battles of History to be the most humorous one of these.
Dell Connected Learning for Schools Case Study: Henrico County Schools Transforming STEM Learning through Technology in Elementary School Engaging the STEM Intermediate Student with Technology Center for Digital Education: Digital STEM Learning and the High School Student Center for Digital Education: Educational Technology for English-Language Learners Center for Digital Education: Empowering Special Education through Technology Center for Digital Education's Converge: Education Funding Report Q1 2011 Center for Digital Education's Converge: Education Funding Report Q2 2010 Center for Digital Education's Converge: Classroom Technologies Learning, Technology, and the Future: Catalyzing a New Conversation
This website offers a variety of subjects for all grades Pre-K thru high school. I like this site because it also has a Lesson Plan Writing guide for you to follow.
This one doesn't offer a lot but I felt it was still worth sharing. The curriculum in this one is free and they offer a grant of $50 to help with supplies you would need for the lessons. Also, they offer elementary, middle, and high school versions.
This is a list of different Webquests you can use for a Social Studies curriculum. This list includes both the high school as well as the middle school levels.