Ask Mr. Science Info:

This service is provided to students of all grades.  Send email to:
and ask up to 5 science related questions.  The prof. passes the questions
to his graduate students to research the answers and then sends an email
reply to the sender.  The questions can be within any discipline of
science including astronomy, biology, botany, geology, chemistry, physics,
As a courtesy, maybe mention your age, grade, school, and geographic location.