Imagine you are brainstorming with your class about human body systems (this is our unit of study right now in science). You have asked the students to list organs that go with the different body systems.
As you brain storm you create an outline that looks like this one:
Now for some fun. You go to the web site Text 2 Mind Map and convert your outline into a web. Now it looks like this:
Now, wasn't that fun? I highly recommend using Text 2 Mind Map with your students.