Enter a search term and when the results are displayed select “show options."
Wonder Wheel will appear as one the options on the left-hand side of the screen.
Your selected results will appear with your original search term in the center with related terms in a connected web circling the term. Click on any of the related topics and a new web is created. Links to the terms in the web are located on the right.
You can see that the Wheel is easy to use and is a great way to show connections between related search terms.