Create a Google Form (Google Support page): https://support.google.com/docs/answer/6281888?co=GENIE.Platform%3DDesktop&hl=en
Excellent resources generated by Eric Curts: http://www.controlaltachieve.com/p/resources-google-forms.html
Google Forms: Beyond the Basics (Ways to use Google Forms in the Classroom): https://www.tes.com/lessons/wZYojs1srDVEpg/google-forms-beyond-the-basics
Google Forms: Automated Awesomeness (Autocrat, Doc Appender, Choice Eliminator add-ons): https://docs.google.com/presentation/d/18nu9bgBc6NytLYvoRjuyhbQ7ThQmtNqP2MnAmMu62s0/edit#slide=id.g35f391192_00
Google Forms Add-Ons
How to add an add-on
To add an add-on, click on the three vertical dots on the top right of the form (see image below). Choose "Add-Ons" and search for the name of the add-on.
How to find it
After you have added the add-on, you will find it by clicking the puzzle piece.
Our Favorite Add-ons
Mapping Sheets - a Sheets Add-On but works with Forms
rowCall - creates individual sheets for every unique cell in that column
Form Publisher - easily send feedback to form submitters (e.g. teacher walk-through forms).
MORE on the Google Add-Ons page.