Research Questions--The answers to these questions require the use of a published book or verified Internet resource.
Investigative Questions--The answers to these questions require an investigation, such as an experiment.
Opinion Questions--The answers to these questions ask about someone's beliefs or ideas.
Asking just the right questions is important work. Many of the questions engineers ask are investigative, so before we actually clean up an oil spill, we will make sure we ask JUST THE RIGHT QUESTIONS! Fourth graders practiced sorting sample questions into one of the three categories.