Presentations
Google Presentation is similar to Microsoft Powerpoint. Many of the same features that you know are similar in Google Presentations. Additionally Google Presentation:
Allows for synchronous editing by multiple authors.
Allows for threaded discussion and detailed revision histories.
Has integrated research tools.
Allows for embedded playing of YouTube videos
Is easily published to the web
Autosaves.
Below are some great tutorials and content to help you get started.