Start with your general topic and break it down into categories. For example, you can't give a five minute speech on social media. You will need to break it down into smaller categories.
Narrow down your topic using these questions:
From these questions, you can generate several research questions from your general topic, such as:
Does social media increase the risk of school violence among teenagers?
What are the advantages and disadvantages of using social networks in education?
Does social media increase college-age women's body dysmorphia?
Does social media affect the obesity rates among elementary school aged children?
Use Credo as a place to get background information for your topic. The "Mind Map" function may lead you down a rabbit hole of new information.