Replying to Help Lenthen this Hook and Thesis

I need some help lengthening this bitch. I need it to be 5 sentences long.

Chemical and physical changes have both distinct and subtle properties that may cause one to mistake one for the other. The differences between a chemical and physical change need to be realized. Based on my observations of the video clip, it is an example of a chemical change.

Oh and the prompt is...
Prompt: Based on your observations is this video clip an example of a physical or chemical change?