10+Google+Forms

You will need a Google account (either a gmail account or a Google account)

http://www.google.com

Portical http://www.portical.org/tools/gf/#obs

Sample Walk through form https://spreadsheets.google.com/spreadsheet/viewform?formkey=dG9vS3hjd1kxYUVLci03TDlwRW15N3c6MQ

80+ Google Forms http://edte.ch/blog/2008/08/23/10-google-forms-for-the-classroom