The Document below was embedded by simply pasting the url into the editor.
The document needs to be published to the web in Google docs first (see below)
After you have created a Google doc, you choose Share… from the file menu.
in the ensuing dialog, click get sharable link and copy the link:
Paste that into A Glow blog post or page to embed the doc llike the one above.
See all the Google Embed Examples.