Essays / Thesis statement: technology and people; space and isolation [4]

How to write an essay on "ROLE OF MY TECHNOLOGY IN SPACE" for a speech competition?

hey friends.I am writing an essay on the topic "ROLE OF MY TECHNONLOGY IN SPACE" for a speech competition held by SUPARCO.I am working on it.The total time for the speech is 7 minutes.Your advice is needed for how to utilize my time there.Please give me advice,after it is completed,i will post it,so you can give me suggestions.Please suggest me some paragraphs about it.I have 1 week to go.Regards