Step One: decide what your topic will be;
make a chart with your topic as the heading
and three sections titled
K: What I already know
W: What I want to know
L: What I learned
Making a KWL Chart
Step Three: Do some research on your topic.
Look online, read books, etc.
Even though your chart is finished, it is ok to go back and fill more in over time. You may know new things, wonder new things, and learn new things about your topic.