Collect Chat is a free Google Forms add-on that you can use to turn a Google Form into a chatbot. I gave it a try and found that it is very easy to use. With the add-on installed you simply have to open a Google Form then open Collect Chat and choose to convert the form into a chatbot. You can choose to use the chatbot on its own stand-alone page or you can embed it into an existing webpage that you own. Either way, visitors viewing your chatbot will see the same questions as they would if they viewed the Google Form directly. The difference is that the questions appear one at a time and look as though they were typed by a live person.
Take a look at this little exit ticket chatbot that I made with Collect Chat to see how it works.Applications for Education
While Collect Chat itself is easy to use, it would take a bit of planning to make an effective chatbot via Google Forms. If you want your chatbot to actually interact with user input you would need to create a fairly long Google Form that accounts for a variety of responses from users. That said, I can see the potential to create a chatbot to walk users through troubleshooting problems with their computers or to help parents locate important school information in a guided manner. There's also potential to create a chatbot that serves as an interactive test practice.