Take a look at my Demo Site which shows and describes the types of pages you can create in your Google Site. Be sure to check out the Google Sites Help Center to help make your site great!
We will also take a look at a wonderfully visual bookmarking site called Symbaloo. It’s free to sign up, and you can create custom ‘Webmixes’ with tiles linking to your students favorite and most used sites. Here’s my Webmix of my recommended educational iPad apps.