QUESTION EVERYTHING

 To be a scientist you should question the world around you. Try to always answer your own questions with reason and then look up the answer or create an experiment to see if you are correct.  You can always share your questions and answers with your STEM-CAM contributors.

Why do we invent machines?  How do they work?                                                           http://www.answerbag.com/q_view/1974296
How are light bulbs made?  How do they work?                           http://www.ehow.com/how-does_4896271_how-light-bulbs-made.html
Are all bridges created the same?  What makes one bridge stronger than another?             
                
http://www.historyworld.net/wrldhis/PlainTextHistories.asp?historyid=ab97
How can the buoyancy of a boat be increase?
                 http://www.ehow.com/how-does_4909612_how-boat-buoyancy-works.html
Why does a compass needle always face north?                                                                http://www.answerbag.com/q_view/291202
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