Video Format: Size

The embed code specified a default size for the Video.  Here are the steps to change the Size.

 

7. Try it: Format the Video Size

The Video on Slide 3 is still selected.

Go to Video Tools ->Format ->Size.

Edit the Width: 4

 

 

When you click ENTER on the keyboard, the height will resize to match the same proportions.
 

Keep going...

Exam 77-883: Microsoft PowerPoint 2010

3. Working with Graphical and Multimedia Elements

3.5. Edit video and audio content: Resize Video or Audio Content

Video Tools ->Format ->Size