What is potential energy? What stage of paper plane making demonstrates potential energy? When does potential energy change into kinetic energy?
What kind of energy do you use to make the plane fly??
blog bläɡ/ noun: blog; plural noun: blogs 1. a regularly updated website or web page, typically one run by an individual or small group, that is written in an informal or conversational style. verb: blog; 3rd person present: blogs; past tense: blogged; past participle: blogged; gerund or present participle: blogging 1. add new material to or regularly update a blog. "it's about a week since I last blogged"