Scientific inquiry always begins with an interesting question or puzzling observation. Sometimes, especially at first, it is hard to find a good question to research. We suggest 3 approaches for getting started:
Approach #1: Pick a question that interests you from these classroom Research Questions (pdf).
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Approach #2: Browse the Results from questions others have researched and think about modifying or extending those questions to something of greater interest or relevance to you.
Approach #3: Browse the Data Links, and as you explore, note any questions that naturally come to mind.