Difference between a shift in supply curve and movement along supply curve?

Question

What is the difference between a shift in the supply curve and a movement along the supply curve?

Answer 1

Here is graphical representation of shift of supply:

http://www.econweb.com/MacroWelcome/sand...

And here is movement along supply curve:

http://instruct1.cit.cornell.edu/courses...

Here is the same concept but with demand:

http://www.mhhe.com/economics/frankb/gra...