You need to know your audience!
If you familiarize yourself with some broad topic you may be able to identify some specific portion of that topic which seems to be particularly interesting. Failing that, you would still be able to choose at random.
Here is how to make subtopics for your paper or project!
Make a list of facts and questions that you have researched for your topic. This can also include questions that you thought about when you started your topic.
Now, look at all those questions and sentences - find words, phrases, or ideas that are similar, and begin grouping those facts together.
Write out the headings you have made - the similar things - and list each question or fact under the heading where it belongs.
This excellent information is from the website linked below, which is from Cambridge Rindge and Latin School - they even have a list of common sub-topic words to usel:
For example:
Say you have to do a project about local water pollution and you pick the Charles River as a body of water to research. Your general topic in this case is "Charles River Pollution".
First, you may have brain stormed some questions like the following:
make an illustrastion or a map of an area
making a quicklist
Why did you choose this strategy?
Looping
Looping
narrow topic for travel
Freewriting and cubing are two strategies used to brainstorm and narrow a topic.
When you're talking about topics, narrow means more specific and broad means less specific. A broad topic would be "Trees," while a narrow topic would be "Deciduous trees of the Southern United States."
It can help you narrow your topic.
Looping
Looping
narrow topic for travel
narrow the topic
It is recommended that you pick a narrow topic for a research paper.
an interesting speech topic is about speech bubbles
A limited paragraph topic refers to a specific subject that a paragraph focuses on. It helps to stay focused on a single idea, ensuring clarity and coherence in writing. By restricting the scope of discussion, a limited paragraph topic allows for a more in-depth exploration of a particular point.
Freewriting and cubing are two strategies used to brainstorm and narrow a topic.
narrow the topic
When you're talking about topics, narrow means more specific and broad means less specific. A broad topic would be "Trees," while a narrow topic would be "Deciduous trees of the Southern United States."
narrow the topic
"The impact of online gaming on teenage boys in urban areas" is a narrow topic for a research paper.