Did you know that not all web programs have spell check?? This includes Markbook and Google Sites. However, you can enable spell check in your chrome browser and this will spell check anything that you type within Chrome.
Here is how to enable the Chrome Spell Check function:
1. Click on the "More Options" button in your chrome browser (3 does in the upper right corner)
With the embedded chrome spell check turned on, any text that you type into any site will be checked for errors.