Do the following:

Google Documents

• Create a new spreadsheet.
• Create a Form in that spreadsheet.
• Add name, description and questions and save the Form.
• Share the spreadsheet to the public and publish it as a web page.
• Make it to automatically re-publish when changes are made and save.

Google Sites

• Create a new webpage
• Edit and change the layout (2 columns).
• Insert the spreadsheet Form in the left column.
• Insert the Spreadsheet in the right column (if you want everyone to view the comments).
• Save the page.