Create your initial post on the DQ 11 Discussion Board in response to the following questions:
Before the invention of GPS travelers relied on a compass to show whether there were moving north-, south-, east, or west-bound.
In your own words, what is the general working principle behind a compass?
What magnetic polarity does the Earth’s geographic north pole have ?
Can you make a compass with only one magnetic monopole? If yes/no, why?
Can you think of any places on Earth, where a compass is not very useful to tell the direction?
What was the most interesting and useful thing you learned that helped you understand everyday life better?
PHYSICS
