Students at several grade levels use mind-mapping as a tool for organizing their thoughts, research notes, or observations. We have been using paid software programs to do mind-mapping, but have also been looking for an easy-to-use, free, web-based program that syncs with Google Drive. Enter MindMeister.
MindMeister is a Chrome App that is easy-to-use and syncs with Google Drive. It has many features, including color-coding, use of Creative Commons images, and collaborative mind-mapping. It's been fun to explore this tool with students so far.
Here's a tip sheet we've compiled to help you get started with MindMeister: