Students were asked to read 3.1 Spring Scales in How Things Work, the Physics of Everyday Life and watch the following videos before class.

And the first 8 minutes of Doc Schuster’s video on simple harmonic motion:

The lab that we did was identical to what I did in the last high school physics class so I’m just going to link to that post. Physics 12 Hooke’s Law.   That post also has a few extra videos on this topic.  Because this is such a straight forward lab its a good one to have the students write up as a lab report.