What’s the difference between a scientific law and theory? – Matt Anticole:

https://www.youtube.com/watch?v=GyN2RhbhiEU

What Is a Law in Science?:

https://www.livescience.com/21457-what-is-a-law-in-science-definition-of-scientific-law.html

How the Scientific Method Works:

http://science.howstuffworks.com/innovation/scientific-experiments/scientific-method.htm

When Does a Theory Become a Law?

http://thehappyscientist.com/content/when-does-theory-become-law