Great site to practice spelling words.  Spelling City is a free online environment where students can practice and study spelling words.  Instead of handing out a paper spelling list at the beginning of each week, give your students a link to Spelling City where they can find the weeks spelling words.  Sign up as a Spelling City teacher (free) and enter spelling lists.  Students can get onto Spelling City and find spelling lists by searching the teacher name.  Spelling city will teach your students the spelling words by saying the word and then using it in a sentence.  Students can practice their spelling words by playing games with the words, there are several games to choose from.  Spelling city will even give practice spelling tests to students.